Memory Cards

Premier microSDXC UHS-I Class 10 memory cards provide read speeds up to 100MB per second for rapid file transfers. Featuring a Class 10 performance rating, Premier microSDXC UHS-I memory cards enable uninterrupted, high quality recording of Full HD video on smartphones and tablets. It also meets the A1 standard for quicker and smoother execution of APPs.

Premier microSDXC UHS-I Class 10 memory cards provide read speeds up to 100MB per second for rapid file transfers. Featuring a Class 10 performance rating, Premier microSDXC UHS-I memory cards enable uninterrupted, high quality recording of Full HD video on smartphones and tablets. It also meets the A1 standard for quicker and smoother execution of APPs.

With the more frequent use of smartphones and tablet PCs for multimedia recording and playback, there are increasing demands on the read and write speeds of dedicated memory cards. This Premier series memory card implements the latest SDA 3.0 specification UHS-I (Ultra High Speed 1, in compliance with SD 2.0 Class 10 speed), and is a good choice of a dedicated card for smartphones or tablet PCs

Strontium® NITRO A1 micro SDHC/XC memory card series, a new member to the Strontium NITRO family with up to 100MB/s* transfer speed ranged from 32GB to 256GB capacities.

The Premier Pro series of SDXC UHS-I Speed Class 3 (U3) high-speed memory cards delivers enhanced performance with read/write speeds up to 95/60 MB/s, fully supports the latest 4K2K photographic device, and enables professional grade ultra-fine high-quality images to be captured. With smooth transfering speed of large files, Premier Pro memory cards allows users to fully utilize the power of burst mode photography.

Strontium® NITRO A1 micro SDHC/XC memory card series, a new member to the Strontium NITRO family with up to 100MB/s* transfer speed ranged from 32GB to 256GB capacities.

The SanDisk Ultra® microSDXC™ UHS-I card is perfect for recording and watching Full HD video,2 with room for even more hours of video.7 Transfer speeds of up to 100MB/s** (64GB-400GB only) ensure that you can move all your content blazingly fast—up to 1200 photos in just one minute.6 Ideal for Android™-based smartphones and tablets, this card’s A1 rating means that you can load apps faster too.

The Premier Pro series of SDXC UHS-I Speed Class 3 (U3) high-speed memory cards delivers enhanced performance with read/write speeds up to 95/60 MB/s, fully supports the latest 4K2K photographic device, and enables professional grade ultra-fine high-quality images to be captured. With smooth transfering speed of large files, Premier Pro memory cards allows users to fully utilize the power of burst mode photography. The high performance, reliability, and durability of SDXC UHS-I U3 memory cards enables professional photographers and enthusiasts to capture every fantastic moment with the utmost precision. 

Fast enough to keep up with the action
Get extreme speeds for fast transfer, app performance, and 4K UHD.² Ideal for your Android™ smartphone, action cameras or drones, this high-performance microSD card does 4K UHD video recording, Full HD video, and high-resolution photos. The super-fast SanDisk Extreme® microSDXC™ memory card reads up to 160MB/s⁹ and writes up to 90MB/s.⁹ Plus, it’s A2-rated, so you can get fast application performance for an exceptional smartphone experience.⁷

Save time transferring content
Quick read speeds of up to 160MB/s⁹ let you transfer 1000 high-resolution photos and 30 minutes of 4K video (24GB) in less than 3 minutes.⁸

Write speeds of up to 90MB/s
Capture fast-action photos or shoot 4K UHD video² with write speeds of up to 90MB/s.⁹ The 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 A27 Specification.

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.

Compatible with MobileMate® USB 3.0 Reader
Use the MobileMate® USB 3.0 microSD™ Card Reader with transfer speeds of up to 160MB/s⁹, so you can move big files fast, move a lot of files fast or just make frequent file transfers that much quicker.

_{¹ 1GB=1,000,000,000 bytes. Actual user storage less.
² 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
³ Download and installation required. See www.sandisk.com/memoryzone
⁴ Card only. See www.sandisk.com/proof for additional information and limitations.
⁵ 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.
⁶ Registration required; terms and conditions apply.
⁷ 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.
⁸ 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.
⁹ For 128GB-1TB: Up to 160MB/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 160MB/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 60MB/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.}

The Premier series SDHC memory cards are especially designed for digital camera users. They are compliant with SD 3.0 specification (Ultra High Speed 1, UHS-I), and backwards compatible with SD 2.0 specification devices.

The Premier series SDHC memory cards are especially designed for digital camera users. They are compliant with SD 3.0 specification (Ultra High Speed 1, UHS-I), and backwards compatible with SD 2.0 specification devices.

Store lots of photos and Full HD videos—and transfer them quickly to your computer—using SanDisk Ultra SDXC and SDHC UHS-I Memory Cards. Great for compact-to-midrange point-and-shoot digital cameras and camcorders, these memory cards offer read speeds of up to 80 MB/s1 and are twice as fast as ordinary SDHC cards, allowing you to take pictures and transfer files quickly. SanDisk Ultra SDXC and SDHC UHS-I Memory Cards come with up to 128 GB2 of storage and are resistant to water, extreme temperatures, x-rays, and shocks. A label allows you to note what's on the card for easy identification.

Fast enough to keep up with the action
Get extreme speeds for fast transfer, app performance, and 4K UHD.² Ideal for your Android™ smartphone, action cameras or drones, this high-performance microSD card does 4K UHD video recording, Full HD video, and high-resolution photos. The super-fast SanDisk Extreme® microSDXC™ memory card reads up to 160MB/s⁹ and writes up to 90MB/s.⁹ Plus, it’s A2-rated, so you can get fast application performance for an exceptional smartphone experience.⁷

Save time transferring content
Quick read speeds of up to 160MB/s⁹ let you transfer 1000 high-resolution photos and 30 minutes of 4K video (24GB) in less than 3 minutes.⁸

Write speeds of up to 90MB/s
Capture fast-action photos or shoot 4K UHD video² with write speeds of up to 90MB/s.⁹ The 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 A27 Specification.

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.

Compatible with MobileMate® USB 3.0 Reader
Use the MobileMate® USB 3.0 microSD™ Card Reader with transfer speeds of up to 160MB/s⁹, so you can move big files fast, move a lot of files fast or just make frequent file transfers that much quicker.

_{¹ 1GB=1,000,000,000 bytes. Actual user storage less.
² 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
³ Download and installation required. See www.sandisk.com/memoryzone
⁴ Card only. See www.sandisk.com/proof for additional information and limitations.
⁵ 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.
⁶ Registration required; terms and conditions apply.
⁷ 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.
⁸ 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.
⁹ For 128GB-1TB: Up to 160MB/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 160MB/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 60MB/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.}

Fast enough to keep up with the action
Get extreme speeds for fast transfer, app performance, and 4K UHD.² Ideal for your Android™ smartphone, action cameras or drones, this high-performance microSD card does 4K UHD video recording, Full HD video, and high-resolution photos. The super-fast SanDisk Extreme® microSDXC™ memory card reads up to 160MB/s⁹ and writes up to 90MB/s.⁹ Plus, it’s A2-rated, so you can get fast application performance for an exceptional smartphone experience.⁷

Save time transferring content
Quick read speeds of up to 160MB/s⁹ let you transfer 1000 high-resolution photos and 30 minutes of 4K video (24GB) in less than 3 minutes.⁸

Write speeds of up to 90MB/s
Capture fast-action photos or shoot 4K UHD video² with write speeds of up to 90MB/s.⁹ The 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 A27 Specification.

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.

Compatible with MobileMate® USB 3.0 Reader
Use the MobileMate® USB 3.0 microSD™ Card Reader with transfer speeds of up to 160MB/s⁹, so you can move big files fast, move a lot of files fast or just make frequent file transfers that much quicker.

_{¹ 1GB=1,000,000,000 bytes. Actual user storage less.
² 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
³ Download and installation required. See www.sandisk.com/memoryzone
⁴ Card only. See www.sandisk.com/proof for additional information and limitations.
⁵ 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.
⁶ Registration required; terms and conditions apply.
⁷ 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.
⁸ 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.
⁹ For 128GB-1TB: Up to 160MB/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 160MB/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 60MB/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.}

The SanDisk Ultra® microSDXC™ UHS-I card is perfect for recording and watching Full HD video,2 with room for even more hours of video.7 Transfer speeds of up to 100MB/s** (64GB-400GB only) ensure that you can move all your content blazingly fast—up to 1200 photos in just one minute.6 Ideal for Android™-based smartphones and tablets, this card’s A1 rating means that you can load apps faster too.

Store lots of photos and Full HD videos—and transfer them quickly to your computer—using SanDisk Ultra SDXC and SDHC UHS-I Memory Cards. Great for compact-to-midrange point-and-shoot digital cameras and camcorders, these memory cards offer read speeds of up to 80 MB/s1 and are twice as fast as ordinary SDHC cards, allowing you to take pictures and transfer files quickly. SanDisk Ultra SDXC and SDHC UHS-I Memory Cards come with up to 128 GB2 of storage and are resistant to water, extreme temperatures, x-rays, and shocks. A label allows you to note what's on the card for easy identification.

Perfect for 4K UHD video and Sequential Burst Mode Photography
The SanDisk Extreme® SD™ UHS-I memory card delivers performance that lets you take control of your creativity. With shot speeds of up to 70MB/s⁶ and UHS speed Class 3 (U3)2 recording, you’re ready to capture stunning high-resolution, stutter-free 4K UHD video¹. Its 150MB/s⁶ transfer speeds mean you can quickly move your photos where you want them. Plus, it’s built to withstand weather, water, shocks and other less-than-ideal conditions so you can rest assured that it’s good to go wherever you go.

Shot speeds up to 70MB/s
Perfect for capturing the action as it happens with up to 70 MB/s⁶ shot speeds, without missing a beat.

Transfer speeds up to 150MB/s
Accelerated transfer speeds up to 150MB/s⁶ so you can find your best shot faster.

Perfect for 4K UHD video
Sometimes speed is what you need. The SanDisk Extreme® SD™ UHS-I card delivers the performance to capture stunning, uninterrupted 4K UHD video¹.

Stunning sequential burst mode shots
Rated UHS Speed Class 3 (U3) and Video Speed Class 30 (V30)², the SanDisk Extreme® SD™ UHS-I card lets you capture sequential burst mode shots without missing a beat.

Durability you can count on
Built for and tested in harsh conditions³, the SanDisk Extreme® SD™ UHS-I card is temperature-proof, waterproof, shock-proof, and x-ray-proof.

Recover images you accidentally deleted
Includes an offer for RescuePRO® Deluxe data recovery software which lets you restore images you accidentally deleted.⁵

¹Full HD (1920x1080) and 4K UHD (3840 x 2160) video support may vary based upon host device, file attributes, and other factors. See: www.sandisk.com/HD
²UHS Speed Class 3 designates a performance option designed to support 4K UHD video recording with enabled UHS host devices. UHS 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.
³Card only. See product packaging or www.sandisk.com/proof for additional information and limitations.
⁴30-year warranty in Germany, Canada, and regions not recognizing lifetime warranty. See www.sandisk.com/wug
⁵Registration required; Terms and conditions apply.
⁶Not all devices support SDXC. Check with device manufacturer for more details. [128GB-256GB] Up to 150 MB/s read speed. Engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speeds. Write speed up to 70 MB/s. Based on internal testing; performance may be lower depending on host device, interface, usage conditions, and other factors. 1MB=1,000,000 bytes. [64GB] Up to 150 MB/s read speed. Engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speeds. Write speed up to 60 MB/s. Based on internal testing; performance may be lower depending on host device, interface, usage conditions, and other factors. 1MB=1,000,000 bytes. [16GB-32GB] Up to 90 MB/s read speed. Write speed up to 40 MB/s. Based on internal testing; performance may be lower depending upon host device. 1 MB=1,000,000 bytes.
⁷1 GB=1,000,000,000 bytes. Actual user storage less.

Perfect for 4K UHD video and Sequential Burst Mode Photography
The SanDisk Extreme® SD™ UHS-I memory card delivers performance that lets you take control of your creativity. With shot speeds of up to 70MB/s⁶ and UHS speed Class 3 (U3)2 recording, you’re ready to capture stunning high-resolution, stutter-free 4K UHD video¹. Its 150MB/s⁶ transfer speeds mean you can quickly move your photos where you want them. Plus, it’s built to withstand weather, water, shocks and other less-than-ideal conditions so you can rest assured that it’s good to go wherever you go.

Shot speeds up to 70MB/s
Perfect for capturing the action as it happens with up to 70 MB/s⁶ shot speeds, without missing a beat.

Transfer speeds up to 150MB/s
Accelerated transfer speeds up to 150MB/s⁶ so you can find your best shot faster.

Perfect for 4K UHD video
Sometimes speed is what you need. The SanDisk Extreme® SD™ UHS-I card delivers the performance to capture stunning, uninterrupted 4K UHD video¹.

Stunning sequential burst mode shots
Rated UHS Speed Class 3 (U3) and Video Speed Class 30 (V30)², the SanDisk Extreme® SD™ UHS-I card lets you capture sequential burst mode shots without missing a beat.

Durability you can count on
Built for and tested in harsh conditions³, the SanDisk Extreme® SD™ UHS-I card is temperature-proof, waterproof, shock-proof, and x-ray-proof.

Recover images you accidentally deleted
Includes an offer for RescuePRO® Deluxe data recovery software which lets you restore images you accidentally deleted.⁵

¹Full HD (1920x1080) and 4K UHD (3840 x 2160) video support may vary based upon host device, file attributes, and other factors. See: www.sandisk.com/HD
²UHS Speed Class 3 designates a performance option designed to support 4K UHD video recording with enabled UHS host devices. UHS 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.
³Card only. See product packaging or www.sandisk.com/proof for additional information and limitations.
⁴30-year warranty in Germany, Canada, and regions not recognizing lifetime warranty. See www.sandisk.com/wug
⁵Registration required; Terms and conditions apply.
⁶Not all devices support SDXC. Check with device manufacturer for more details. [128GB-256GB] Up to 150 MB/s read speed. Engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speeds. Write speed up to 70 MB/s. Based on internal testing; performance may be lower depending on host device, interface, usage conditions, and other factors. 1MB=1,000,000 bytes. [64GB] Up to 150 MB/s read speed. Engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speeds. Write speed up to 60 MB/s. Based on internal testing; performance may be lower depending on host device, interface, usage conditions, and other factors. 1MB=1,000,000 bytes. [16GB-32GB] Up to 90 MB/s read speed. Write speed up to 40 MB/s. Based on internal testing; performance may be lower depending upon host device. 1 MB=1,000,000 bytes.
⁷1 GB=1,000,000,000 bytes. Actual user storage less.

Perfect for 4K UHD video and Sequential Burst Mode Photography
The SanDisk Extreme® SD™ UHS-I memory card delivers performance that lets you take control of your creativity. With shot speeds of up to 70MB/s⁶ and UHS speed Class 3 (U3)2 recording, you’re ready to capture stunning high-resolution, stutter-free 4K UHD video¹. Its 150MB/s⁶ transfer speeds mean you can quickly move your photos where you want them. Plus, it’s built to withstand weather, water, shocks and other less-than-ideal conditions so you can rest assured that it’s good to go wherever you go.

Shot speeds up to 70MB/s
Perfect for capturing the action as it happens with up to 70 MB/s⁶ shot speeds, without missing a beat.

Transfer speeds up to 150MB/s
Accelerated transfer speeds up to 150MB/s⁶ so you can find your best shot faster.

Perfect for 4K UHD video
Sometimes speed is what you need. The SanDisk Extreme® SD™ UHS-I card delivers the performance to capture stunning, uninterrupted 4K UHD video¹.

Stunning sequential burst mode shots
Rated UHS Speed Class 3 (U3) and Video Speed Class 30 (V30)², the SanDisk Extreme® SD™ UHS-I card lets you capture sequential burst mode shots without missing a beat.

Durability you can count on
Built for and tested in harsh conditions³, the SanDisk Extreme® SD™ UHS-I card is temperature-proof, waterproof, shock-proof, and x-ray-proof.

Recover images you accidentally deleted
Includes an offer for RescuePRO® Deluxe data recovery software which lets you restore images you accidentally deleted.⁵

¹Full HD (1920x1080) and 4K UHD (3840 x 2160) video support may vary based upon host device, file attributes, and other factors. See: www.sandisk.com/HD
²UHS Speed Class 3 designates a performance option designed to support 4K UHD video recording with enabled UHS host devices. UHS 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.
³Card only. See product packaging or www.sandisk.com/proof for additional information and limitations.
⁴30-year warranty in Germany, Canada, and regions not recognizing lifetime warranty. See www.sandisk.com/wug
⁵Registration required; Terms and conditions apply.
⁶Not all devices support SDXC. Check with device manufacturer for more details. [128GB-256GB] Up to 150 MB/s read speed. Engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speeds. Write speed up to 70 MB/s. Based on internal testing; performance may be lower depending on host device, interface, usage conditions, and other factors. 1MB=1,000,000 bytes. [64GB] Up to 150 MB/s read speed. Engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speeds. Write speed up to 60 MB/s. Based on internal testing; performance may be lower depending on host device, interface, usage conditions, and other factors. 1MB=1,000,000 bytes. [16GB-32GB] Up to 90 MB/s read speed. Write speed up to 40 MB/s. Based on internal testing; performance may be lower depending upon host device. 1 MB=1,000,000 bytes.
⁷1 GB=1,000,000,000 bytes. Actual user storage less.

Strontium® NITRO A1 micro SDHC/XC memory card series, a new member to the Strontium NITRO family with up to 100MB/s* transfer speed ranged from 32GB to 256GB capacities.