Fast enough to keep up with the action
The SanDisk Extreme microSDXC™ memory card lets you save time transferring media with read speeds of up to 190MB/s9 powered by SanDisk QuickFlow™ Technology10 (64GB - 1TB). Pair with the SanDisk Professional PRO-READER SD and microSD™ to achieve maximum speeds (sold separately). With write speeds up to 130MB/s9, it’s ideal for your Android™ smartphone, action cameras, or drones. This high-performance microSD™ card handles 4K UHD video recording, Full HD video2, and high-resolution photos. Plus, it’s A2-rated, so you can get fast application performance for an exceptional smartphone experience.7
Fast enough to keep up with the action
The SanDisk Extreme microSDXC™ memory card lets you save time transferring media with read speeds of up to 190MB/s9 powered by SanDisk QuickFlow™ Technology10 (64GB - 1TB). Pair with the SanDisk Professional PRO-READER SD and microSD™ to achieve maximum speeds (sold separately). With write speeds up to 130MB/s9, it’s ideal for your Android™ smartphone, action cameras, or drones. This high-performance microSD™ card handles 4K UHD video recording, Full HD video2, and high-resolution photos. Plus, it’s A2-rated, so you can get fast application performance for an exceptional smartphone experience.7
Fast enough to keep up with the action
The SanDisk Extreme microSDXC™ memory card lets you save time transferring media with read speeds of up to 190MB/s9 powered by SanDisk QuickFlow™ Technology10 (64GB - 1TB). Pair with the SanDisk Professional PRO-READER SD and microSD™ to achieve maximum speeds (sold separately). With write speeds up to 130MB/s9, it’s ideal for your Android™ smartphone, action cameras, or drones. This high-performance microSD™ card handles 4K UHD video recording, Full HD video2, and high-resolution photos. Plus, it’s A2-rated, so you can get fast application performance for an exceptional smartphone experience.7
Fast enough to keep up with the action
The SanDisk Extreme microSDXC™ memory card lets you save time transferring media with read speeds of up to 190MB/s9 powered by SanDisk QuickFlow™ Technology10 (64GB - 1TB). Pair with the SanDisk Professional PRO-READER SD and microSD™ to achieve maximum speeds (sold separately). With write speeds up to 130MB/s9, it’s ideal for your Android™ smartphone, action cameras, or drones. This high-performance microSD™ card handles 4K UHD video recording, Full HD video2, and high-resolution photos. Plus, it’s A2-rated, so you can get fast application performance for an exceptional smartphone experience.7
Fast enough to keep up with the action
The SanDisk Extreme microSDXC™ memory card lets you save time transferring media with read speeds of up to 190MB/s9 powered by SanDisk QuickFlow™ Technology10 (64GB - 1TB). Pair with the SanDisk Professional PRO-READER SD and microSD™ to achieve maximum speeds (sold separately). With write speeds up to 130MB/s9, it’s ideal for your Android™ smartphone, action cameras, or drones. This high-performance microSD™ card handles 4K UHD video recording, Full HD video2, and high-resolution photos. Plus, it’s A2-rated, so you can get fast application performance for an exceptional smartphone experience.7
Accelerate past speed and space limitations
Capture epic 5K3 point-of-view and 4K UHD3 aerial video – plus expand Android™ device, laptop, and handheld gaming console storage – with the SanDisk Extreme® microSD™ UHS-I card made for enthusiasts and creators. Record longer and save more with up to 2TB1 of storage. Experience efficient UHS-I workflows with an updated version of SanDisk QuickFlow™ technology.4 With read speeds up to 240MB/s2 and write speeds up to 140MB/s,2 you can offload card media in seconds with the SanDisk QuickFlow™ microSD™ UHS-I Card USB-A Reader (sold separately). Rated A2,5 the card loads apps quickly and enables their smooth running. Recover and restore accidentally deleted or corrupted files for one year, on us, with RescuePRO® Deluxe data recovery software.6 Designed, built, and tested to go the distance, you can trust SanDisk Extreme® microSD™ UHS-I cards to help protect every shot.
Fast enough to keep up with the action
The SanDisk Extreme microSDXC™ memory card lets you save time transferring media with read speeds of up to 190MB/s9 powered by SanDisk QuickFlow™ Technology10 (64GB - 1TB). Pair with the SanDisk Professional PRO-READER SD and microSD™ to achieve maximum speeds (sold separately). With write speeds up to 130MB/s9, it’s ideal for your Android™ smartphone, action cameras, or drones. This high-performance microSD™ card handles 4K UHD video recording, Full HD video2, and high-resolution photos. Plus, it’s A2-rated, so you can get fast application performance for an exceptional smartphone experience.7
Save time transferring content
With SanDisk QuickFlow™ Technology10 (64GB - 1TB), this card optimizes performance for timesaving media offloads with quick read speeds up to 190MB/s.9 Pair with the SanDisk Professional PRO-READER SD and microSD™ to achieve maximum speeds (sold separately).
Write speeds of up to 130MB/s
Capture fast-action photos or shoot 4K UHD video2 with write speeds of up to 130MB/s.9The SanDisk Extreme microSDXC™ UHS-I Card lets you shoot more and faster.
Great for capturing 4K UHD Video2
Ideal for recording outdoor adventures, weekend trips, or sporting events without skipping frames. With up to 1TB1, the SanDisk Extreme microSD UHS-I card lets you capture uninterrupted 4K UHD and Full HD video with its UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings.5
Load apps faster with A2
Get faster app performance for an outstanding smartphone experience thanks to the SanDisk Extreme microSD card’s A27Specification.
Durable design for use in extreme environments
SanDisk Extreme microSDHC™ and microSDXC™ UHS-I Cards are shockproof, temperature-proof, waterproof, and X-ray-proof,4 so you can enjoy your adventures without worrying about the durability of your memory card.
Save time transferring content
With SanDisk QuickFlow™ Technology10 (64GB - 1TB), this card optimizes performance for timesaving media offloads with quick read speeds up to 190MB/s.9 Pair with the SanDisk Professional PRO-READER SD and microSD™ to achieve maximum speeds (sold separately).
Write speeds of up to 130MB/s
Capture fast-action photos or shoot 4K UHD video2 with write speeds of up to 130MB/s.9The SanDisk Extreme microSDXC™ UHS-I Card lets you shoot more and faster.
Great for capturing 4K UHD Video2
Ideal for recording outdoor adventures, weekend trips, or sporting events without skipping frames. With up to 1TB1, the SanDisk Extreme microSD UHS-I card lets you capture uninterrupted 4K UHD and Full HD video with its UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings.5
Load apps faster with A2
Get faster app performance for an outstanding smartphone experience thanks to the SanDisk Extreme microSD card’s A27Specification.
Durable design for use in extreme environments
SanDisk Extreme microSDHC™ and microSDXC™ UHS-I Cards are shockproof, temperature-proof, waterproof, and X-ray-proof,4 so you can enjoy your adventures without worrying about the durability of your memory card.
Save time transferring content
With SanDisk QuickFlow™ Technology10 (64GB - 1TB), this card optimizes performance for timesaving media offloads with quick read speeds up to 190MB/s.9 Pair with the SanDisk Professional PRO-READER SD and microSD™ to achieve maximum speeds (sold separately).
Write speeds of up to 130MB/s
Capture fast-action photos or shoot 4K UHD video2 with write speeds of up to 130MB/s.9The SanDisk Extreme microSDXC™ UHS-I Card lets you shoot more and faster.
Great for capturing 4K UHD Video2
Ideal for recording outdoor adventures, weekend trips, or sporting events without skipping frames. With up to 1TB1, the SanDisk Extreme microSD UHS-I card lets you capture uninterrupted 4K UHD and Full HD video with its UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings.5
Load apps faster with A2
Get faster app performance for an outstanding smartphone experience thanks to the SanDisk Extreme microSD card’s A27Specification.
Durable design for use in extreme environments
SanDisk Extreme microSDHC™ and microSDXC™ UHS-I Cards are shockproof, temperature-proof, waterproof, and X-ray-proof,4 so you can enjoy your adventures without worrying about the durability of your memory card.
Save time transferring content
With SanDisk QuickFlow™ Technology10 (64GB - 1TB), this card optimizes performance for timesaving media offloads with quick read speeds up to 190MB/s.9 Pair with the SanDisk Professional PRO-READER SD and microSD™ to achieve maximum speeds (sold separately).
Write speeds of up to 130MB/s
Capture fast-action photos or shoot 4K UHD video2 with write speeds of up to 130MB/s.9The SanDisk Extreme microSDXC™ UHS-I Card lets you shoot more and faster.
Great for capturing 4K UHD Video2
Ideal for recording outdoor adventures, weekend trips, or sporting events without skipping frames. With up to 1TB1, the SanDisk Extreme microSD UHS-I card lets you capture uninterrupted 4K UHD and Full HD video with its UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings.5
Load apps faster with A2
Get faster app performance for an outstanding smartphone experience thanks to the SanDisk Extreme microSD card’s A27Specification.
Durable design for use in extreme environments
SanDisk Extreme microSDHC™ and microSDXC™ UHS-I Cards are shockproof, temperature-proof, waterproof, and X-ray-proof,4 so you can enjoy your adventures without worrying about the durability of your memory card.
Save time transferring content
With SanDisk QuickFlow™ Technology10 (64GB - 1TB), this card optimizes performance for timesaving media offloads with quick read speeds up to 190MB/s.9 Pair with the SanDisk Professional PRO-READER SD and microSD™ to achieve maximum speeds (sold separately).
Write speeds of up to 130MB/s
Capture fast-action photos or shoot 4K UHD video2 with write speeds of up to 130MB/s.9The SanDisk Extreme microSDXC™ UHS-I Card lets you shoot more and faster.
Great for capturing 4K UHD Video2
Ideal for recording outdoor adventures, weekend trips, or sporting events without skipping frames. With up to 1TB1, the SanDisk Extreme microSD UHS-I card lets you capture uninterrupted 4K UHD and Full HD video with its UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings.5
Load apps faster with A2
Get faster app performance for an outstanding smartphone experience thanks to the SanDisk Extreme microSD card’s A27Specification.
Durable design for use in extreme environments
SanDisk Extreme microSDHC™ and microSDXC™ UHS-I Cards are shockproof, temperature-proof, waterproof, and X-ray-proof,4 so you can enjoy your adventures without worrying about the durability of your memory card.
Incredibly lifelike 5K3 and 4K UHD3
Unlock epic 5K3 point-of-view, soaring 4K UHD3 aerial video, and pristine high-res stills with the SanDisk Extreme® microSDXC™ UHS-I card that includes video speed class ratings of U3 and V30.4 Capture flawless frame-by-frame precision in continuous burst mode and freeze fleeting instances in slow motion Full HD3 to unleash your creative potential.
Speed barriers shattered. Again
Save precious moments with blazing read speeds up to 240MB/s2 and write speeds up to 140MB/s2 when used with SanDisk QuickFlow™ microSD™ UHS-I Card USB USB-A Reader (sold separately). SanDisk QuickFlow™ technology5 elevated speeds beyond UHS-I's 104MB/s barrier for the first time in 2018, then made them even faster in 2022,12 and faster still in 2024 to enable the most efficient workflows possible.
Maximize with massive capacity
Capture longer and store more on your Android™ device, laptop, or handheld gaming console with up to 2TB1 of storage. This massive capacity can store up to 1,324 minutes of 5.3K3 video recorded at 30 fps (1.36GB/minute).10 Or it can store up to 300 2-hour movies (6GB each) downloaded from a favorite streaming site in Full HD3 quality.10
Defying the unforgiving
Engineered to perform in extreme conditions, with rough handling, and despite constant use, SanDisk microSD™ memory cards perform with unrelenting resilience. They are temperature proof, humidity proof, waterproof, shock proof, drop proof, magnet proof, X-ray proof and wear-out proof.7
Recover what matters most
Recover and restore files with the RescuePRO® Deluxe data recovery software,8 free, for one year. After downloading and installing, the app can effectively restore photos, videos, documents, and other types of files in a wide range of formats that have been accidentally deleted, corrupted, or lost due to formatting. Reclaim your digital life, easily.
Built to Last. and Last
Backed by a lifetime limited warranty,9 SanDisk branded cards perform over the long haul. Our in-house NAND flash memory manufacturing and proprietary Flash Management Techniques11 deliver rock-solid stability. Exhaustive testing helps ensure flawless performance with compatible devices. Photographers around the world have entrusted SanDisk with their most remarkable moments.
Save time transferring content
With SanDisk QuickFlow™ Technology10 (64GB - 1TB), this card optimizes performance for timesaving media offloads with quick read speeds up to 190MB/s.9 Pair with the SanDisk Professional PRO-READER SD and microSD™ to achieve maximum speeds (sold separately).
Write speeds of up to 130MB/s
Capture fast-action photos or shoot 4K UHD video2 with write speeds of up to 130MB/s.9The SanDisk Extreme microSDXC™ UHS-I Card lets you shoot more and faster.
Great for capturing 4K UHD Video2
Ideal for recording outdoor adventures, weekend trips, or sporting events without skipping frames. With up to 1TB1, the SanDisk Extreme microSD UHS-I card lets you capture uninterrupted 4K UHD and Full HD video with its UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings.5
Load apps faster with A2
Get faster app performance for an outstanding smartphone experience thanks to the SanDisk Extreme microSD card’s A27Specification.
Durable design for use in extreme environments
SanDisk Extreme microSDHC™ and microSDXC™ UHS-I Cards are shockproof, temperature-proof, waterproof, and X-ray-proof,4 so you can enjoy your adventures without worrying about the durability of your memory card.
Specifications
- Tested and certified to work seamlessly with Chromebooks
- Up to 120MB/s transfer speeds let you move photos and files fast
- Class 10 for Full HD video playback – watch right from the card
- Water-proof, temperature proof, X-ray proof, magnet proof, shock proof
- Compatible with microSDHC, microSDXC, microSDHC UHS-I, and microSDXC UHS-I supporting host devices
Specifications
- Tested and certified to work seamlessly with Chromebooks
- Up to 120MB/s transfer speeds let you move photos and files fast
- Class 10 for Full HD video playback – watch right from the card
- Water-proof, temperature proof, X-ray proof, magnet proof, shock proof
- Compatible with microSDHC, microSDXC, microSDHC UHS-I, and microSDXC UHS-I supporting host devices
Specifications
- Tested and certified to work seamlessly with Chromebooks
- Up to 120MB/s transfer speeds let you move photos and files fast
- Class 10 for Full HD video playback – watch right from the card
- Water-proof, temperature proof, X-ray proof, magnet proof, shock proof
- Compatible with microSDHC, microSDXC, microSDHC UHS-I, and microSDXC UHS-I supporting host devices
Specifications
- Tested and certified to work seamlessly with Chromebooks
- Up to 120MB/s transfer speeds let you move photos and files fast
- Class 10 for Full HD video playback – watch right from the card
- Water-proof, temperature proof, X-ray proof, magnet proof, shock proof
- Compatible with microSDHC, microSDXC, microSDHC UHS-I, and microSDXC UHS-I supporting host devices
Specifications
- Tested and certified to work seamlessly with Chromebooks
- Up to 120MB/s transfer speeds let you move photos and files fast
- Class 10 for Full HD video playback – watch right from the card
- Water-proof, temperature proof, X-ray proof, magnet proof, shock proof
- Compatible with microSDHC, microSDXC, microSDHC UHS-I, and microSDXC UHS-I supporting host devices
Specifications
- Tested and certified to work seamlessly with Chromebooks
- Up to 120MB/s transfer speeds let you move photos and files fast
- Class 10 for Full HD video playback – watch right from the card
- Water-proof, temperature proof, X-ray proof, magnet proof, shock proof
- Compatible with microSDHC, microSDXC, microSDHC UHS-I, and microSDXC UHS-I supporting host devices
Specifications
- Capture epic 5K point-of-view and pristine high res stills with video speed class ratings of U3 and V30
- Save precious moments with blazing read speeds up to 240MB/s and write speeds up to 140MB/s when used with SanDisk QuickFlow microSD™ UHS-I Card USB-A Reader (sold separately)
- Capture for longer and store more with up to 2TB of storage that can hold up to 2,808 minutes of 4K UHD video recorded at 30 fps (641MB/minute)
- Action cams
- Drones
- Android™ devices
- Handheld gaming devices
- When used with an SD adapter: cameras, including Digital Single Lens Reflex (DSLR) and Mirrorless (MIL), camcorders, laptops, and portable audio recorders
Ratings & Reviews
Support & Resources
Disclosures
Not all devices support microSDXC memory card formats. Check with your device manufacturer for more details.
- 1GB=1,000,000,000 bytes. Actual user storage less.
- Compatible device required. Full HD (1920x1080) and 4K UHD (3840 x 2160) support may vary based upon host device, file attributes, and other factors. See www.sandisk.com/HD
- Download and installation required. See www.sandisk.com/memoryzone
- Card only. See www.sandisk.com/proof for additional information and limitations.
- UHS Speed Class 3 (U3) designates a performance option designed to support real-time video recording with UHS-enabled host devices. Video Speed Class 30 (V30), sustained video capture rate of 30MB/s, designates a performance option designed to support real-time video recording with UHS-enabled host devices. See www.sdcard.org/consumers/speed.
- Registration required; terms and conditions apply.
- For 64GB-1TB: A2 performance is 4000 read IOPS, 2000 write IOPS. For 32GB: A1 performance is 1500 read IOPS, 500 write IOPS. Results may vary based on host device, app type, and other factors.
- Comparison based on internal testing of SanDisk Extreme® microSDXC™ UHS-l card, versus current UHS-l cards with 100MB/s stated performance. Results may vary based on host device, file attributions, and other factors.
- For 256GB-1TB: Up to 190MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Up to 130MB/s write speeds. For 128GB: Up to 190MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Up to 90MB/s write speeds. For 64GB: Up to 170MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Up to 80MB/s write speeds. For 32GB: Up to 100MB/s read speeds; up to 60MB/s write speeds. Based on internal testing; performance may be lower depending upon host device interface, usage conditions, and other factors. 1MB=1,000,000 bytes.
- SanDisk® QuickFlow™ Technology is only available for 64GB, 128GB, 256GB, 512GB, and 1TB capacities.
- 30-year warranty in Germany, Canada and regions not recognizing lifetime warranty. See Warranty | Western Digital
Not all devices support microSDXC memory card formats. Check with your device manufacturer for more details.
- 1GB=1,000,000,000 bytes. Actual user storage less.
- Compatible device required. Full HD (1920x1080) and 4K UHD (3840 x 2160) support may vary based upon host device, file attributes, and other factors. See www.sandisk.com/HD
- Download and installation required. See www.sandisk.com/memoryzone
- Card only. See www.sandisk.com/proof for additional information and limitations.
- UHS Speed Class 3 (U3) designates a performance option designed to support real-time video recording with UHS-enabled host devices. Video Speed Class 30 (V30), sustained video capture rate of 30MB/s, designates a performance option designed to support real-time video recording with UHS-enabled host devices. See www.sdcard.org/consumers/speed.
- Registration required; terms and conditions apply.
- For 64GB-1TB: A2 performance is 4000 read IOPS, 2000 write IOPS. For 32GB: A1 performance is 1500 read IOPS, 500 write IOPS. Results may vary based on host device, app type, and other factors.
- Comparison based on internal testing of SanDisk Extreme® microSDXC™ UHS-l card, versus current UHS-l cards with 100MB/s stated performance. Results may vary based on host device, file attributions, and other factors.
- For 256GB-1TB: Up to 190MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Up to 130MB/s write speeds. For 128GB: Up to 190MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Up to 90MB/s write speeds. For 64GB: Up to 170MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Up to 80MB/s write speeds. For 32GB: Up to 100MB/s read speeds; up to 60MB/s write speeds. Based on internal testing; performance may be lower depending upon host device interface, usage conditions, and other factors. 1MB=1,000,000 bytes.
- SanDisk® QuickFlow™ Technology is only available for 64GB, 128GB, 256GB, 512GB, and 1TB capacities.
- 30-year warranty in Germany, Canada and regions not recognizing lifetime warranty. See Warranty | Western Digital
Not all devices support microSDXC memory card formats. Check with your device manufacturer for more details.
- 1GB=1,000,000,000 bytes. Actual user storage less.
- Compatible device required. Full HD (1920x1080) and 4K UHD (3840 x 2160) support may vary based upon host device, file attributes, and other factors. See www.sandisk.com/HD
- Download and installation required. See www.sandisk.com/memoryzone
- Card only. See www.sandisk.com/proof for additional information and limitations.
- UHS Speed Class 3 (U3) designates a performance option designed to support real-time video recording with UHS-enabled host devices. Video Speed Class 30 (V30), sustained video capture rate of 30MB/s, designates a performance option designed to support real-time video recording with UHS-enabled host devices. See www.sdcard.org/consumers/speed.
- Registration required; terms and conditions apply.
- For 64GB-1TB: A2 performance is 4000 read IOPS, 2000 write IOPS. For 32GB: A1 performance is 1500 read IOPS, 500 write IOPS. Results may vary based on host device, app type, and other factors.
- Comparison based on internal testing of SanDisk Extreme® microSDXC™ UHS-l card, versus current UHS-l cards with 100MB/s stated performance. Results may vary based on host device, file attributions, and other factors.
- For 256GB-1TB: Up to 190MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Up to 130MB/s write speeds. For 128GB: Up to 190MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Up to 90MB/s write speeds. For 64GB: Up to 170MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Up to 80MB/s write speeds. For 32GB: Up to 100MB/s read speeds; up to 60MB/s write speeds. Based on internal testing; performance may be lower depending upon host device interface, usage conditions, and other factors. 1MB=1,000,000 bytes.
- SanDisk® QuickFlow™ Technology is only available for 64GB, 128GB, 256GB, 512GB, and 1TB capacities.
- 30-year warranty in Germany, Canada and regions not recognizing lifetime warranty. See Warranty | Western Digital
Not all devices support microSDXC memory card formats. Check with your device manufacturer for more details.
- 1GB=1,000,000,000 bytes. Actual user storage less.
- Compatible device required. Full HD (1920x1080) and 4K UHD (3840 x 2160) support may vary based upon host device, file attributes, and other factors. See www.sandisk.com/HD
- Download and installation required. See www.sandisk.com/memoryzone
- Card only. See www.sandisk.com/proof for additional information and limitations.
- UHS Speed Class 3 (U3) designates a performance option designed to support real-time video recording with UHS-enabled host devices. Video Speed Class 30 (V30), sustained video capture rate of 30MB/s, designates a performance option designed to support real-time video recording with UHS-enabled host devices. See www.sdcard.org/consumers/speed.
- Registration required; terms and conditions apply.
- For 64GB-1TB: A2 performance is 4000 read IOPS, 2000 write IOPS. For 32GB: A1 performance is 1500 read IOPS, 500 write IOPS. Results may vary based on host device, app type, and other factors.
- Comparison based on internal testing of SanDisk Extreme® microSDXC™ UHS-l card, versus current UHS-l cards with 100MB/s stated performance. Results may vary based on host device, file attributions, and other factors.
- For 256GB-1TB: Up to 190MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Up to 130MB/s write speeds. For 128GB: Up to 190MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Up to 90MB/s write speeds. For 64GB: Up to 170MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Up to 80MB/s write speeds. For 32GB: Up to 100MB/s read speeds; up to 60MB/s write speeds. Based on internal testing; performance may be lower depending upon host device interface, usage conditions, and other factors. 1MB=1,000,000 bytes.
- SanDisk® QuickFlow™ Technology is only available for 64GB, 128GB, 256GB, 512GB, and 1TB capacities.
- 30-year warranty in Germany, Canada and regions not recognizing lifetime warranty. See Warranty | Western Digital
Not all devices support microSDXC memory card formats. Check with your device manufacturer for more details.
- 1GB=1,000,000,000 bytes. Actual user storage less.
- Compatible device required. Full HD (1920x1080) and 4K UHD (3840 x 2160) support may vary based upon host device, file attributes, and other factors. See www.sandisk.com/HD
- Download and installation required. See www.sandisk.com/memoryzone
- Card only. See www.sandisk.com/proof for additional information and limitations.
- UHS Speed Class 3 (U3) designates a performance option designed to support real-time video recording with UHS-enabled host devices. Video Speed Class 30 (V30), sustained video capture rate of 30MB/s, designates a performance option designed to support real-time video recording with UHS-enabled host devices. See www.sdcard.org/consumers/speed.
- Registration required; terms and conditions apply.
- For 64GB-1TB: A2 performance is 4000 read IOPS, 2000 write IOPS. For 32GB: A1 performance is 1500 read IOPS, 500 write IOPS. Results may vary based on host device, app type, and other factors.
- Comparison based on internal testing of SanDisk Extreme® microSDXC™ UHS-l card, versus current UHS-l cards with 100MB/s stated performance. Results may vary based on host device, file attributions, and other factors.
- For 256GB-1TB: Up to 190MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Up to 130MB/s write speeds. For 128GB: Up to 190MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Up to 90MB/s write speeds. For 64GB: Up to 170MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Up to 80MB/s write speeds. For 32GB: Up to 100MB/s read speeds; up to 60MB/s write speeds. Based on internal testing; performance may be lower depending upon host device interface, usage conditions, and other factors. 1MB=1,000,000 bytes.
- SanDisk® QuickFlow™ Technology is only available for 64GB, 128GB, 256GB, 512GB, and 1TB capacities.
- 30-year warranty in Germany, Canada and regions not recognizing lifetime warranty. See Warranty | Western Digital
- 1TB=1,000,000,000,000 bytes. Actual user storage less.
- Up to 240MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speeds. Write speed up to 140MB/s. Based on internal testing; performance may be lower depending upon host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes.
- Full HD (1920x1080), 4K UHD (3840 x 2160), and 5K (5120 x 2880) video support may vary based upon host device, file attributes and other factors. See: www.sandisk.com/HD.
- UHS Video Speed Class 30 (V30), sustained video capture rate of 30MB/s, and UHS Speed Class 3 designates a performance option designed to support real-time video recording with UHS enabled host devices. See www.sdcard.org/consumers/speed.
- SanDisk QuickFlow Technology is only available for 64GB, 128GB, 256GB, 512GB, 1TB and 2TB capacities.
- A2 performance is 4000 read IOPS, 2000 write IOPS. Results may vary based on host device, app type and other factors.
- Card only. See product packaging or www.sandisk.com/proof for additional information and limitations.
- Registration required; terms and conditions apply.
- 30-year warranty in Germany, Canada and regions not recognizing lifetime warranty. See www.sandisk.com/wug
- Approximations: results will vary based on file size, resolution, compression, bit rate, content, host device, pre-loaded files, and other factors.
- See Western Digital White Paper- Flash 101 and Flash Management. A detailed overview of flash and flash management (August 2018): https://documents.westerndigital.com/content/dam/doc-library/en_us/assets/public/western-digital/collateral/white-paper/white-paper-sandisk-flash101-management.pdf
- See Tech Brief- SanDisk QuickFlow Technology (2022): https://documents.westerndigital.com/content/dam/doc-library/en_us/assets/public/western-digital/collateral/tech-brief/tech-brief-sandisk-quickflow-technology.pdf
Not all devices support microSDXC memory card formats. Check with your device manufacturer for more details.
- 1GB=1,000,000,000 bytes. Actual user storage less.
- Compatible device required. Full HD (1920x1080) and 4K UHD (3840 x 2160) support may vary based upon host device, file attributes, and other factors. See www.sandisk.com/HD
- Download and installation required. See www.sandisk.com/memoryzone
- Card only. See www.sandisk.com/proof for additional information and limitations.
- UHS Speed Class 3 (U3) designates a performance option designed to support real-time video recording with UHS-enabled host devices. Video Speed Class 30 (V30), sustained video capture rate of 30MB/s, designates a performance option designed to support real-time video recording with UHS-enabled host devices. See www.sdcard.org/consumers/speed.
- Registration required; terms and conditions apply.
- For 64GB-1TB: A2 performance is 4000 read IOPS, 2000 write IOPS. For 32GB: A1 performance is 1500 read IOPS, 500 write IOPS. Results may vary based on host device, app type, and other factors.
- Comparison based on internal testing of SanDisk Extreme® microSDXC™ UHS-l card, versus current UHS-l cards with 100MB/s stated performance. Results may vary based on host device, file attributions, and other factors.
- For 256GB-1TB: Up to 190MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Up to 130MB/s write speeds. For 128GB: Up to 190MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Up to 90MB/s write speeds. For 64GB: Up to 170MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Up to 80MB/s write speeds. For 32GB: Up to 100MB/s read speeds; up to 60MB/s write speeds. Based on internal testing; performance may be lower depending upon host device interface, usage conditions, and other factors. 1MB=1,000,000 bytes.
- SanDisk® QuickFlow™ Technology is only available for 64GB, 128GB, 256GB, 512GB, and 1TB capacities.
- 30-year warranty in Germany, Canada and regions not recognizing lifetime warranty. See Warranty | Western Digital