Brand | SanDisk |
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Series | SanDisk Ultra microSDXC UHS-I card |
Item model number | SDSQUA4-400G-GN6MA |
Item Weight | 0.16 ounces |
Product Dimensions | 0.04 x 0.59 x 0.43 inches |
Item Dimensions LxWxH | 0.04 x 0.59 x 0.43 inches |
Color | Red/grey |
Flash Memory Size | 400 |
Manufacturer | Western Digital Technologies, Inc. |
Language | English, English, English, English, English |
ASIN | B08GYG5SVQ |
Country of Origin | China |
Is Discontinued By Manufacturer | No |
Date First Available | September 28, 2020 |
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- If your device stops working, the Rescue data recovery plan will recover the data from the failed device and return it to you on a new piece of external storage media.
- Covers new removeable flash memory device of any brand when purchased within 30 days (receipt must be retained for purchases not on the same transaction).
- Free shipping for in–lab data recovery; 24/7 online case status tracking
- If your data isn’t recovered, you get your money back.
- Your Rescue Plan documents will be delivered to you via email only to the address associated with your Amazon.com account and can be found in your account message center within the Buyer/Seller Messages
- If your drive stops working, the Rescue data recovery plan will attempt to recover the data from the failed drive and recovered data will be returned on a media storage device or via secure cloud-based data storage.
- Covers new removeable flash memory device of any brand when purchased within 30 days (receipt must be retained for purchases not on the same transaction).
- Free shipping for in–lab data recovery; 24/7 online case status tracking
- If your data isn’t recovered, you get your money back.

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SanDisk 400GB Ultra microSDXC UHS-I Memory Card with Adapter - 120MB/s, C10, U1, Full HD, A1, Micro SD Card - SDSQUA4-400G-GN6MA
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- Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
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Learn more
- Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
- Learn more about free returns.
- Go to your orders and start the return
- Select the return method
- Ship it!
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Purchase options and add-ons
Brand | SanDisk |
Model Name | SanDisk Ultra microSDXC UHS-I card |
Flash Memory Type | Micro SD |
Memory Storage Capacity | 400 GB |
Compatible Devices | Android Smartphones, Android Tablets, MIL Cameras |
About this item
- Ideal for Android smartphones and tablets, and MIL cameras. Compatible with microSDHC and microSDXC supporting host devices
- Up to 400GB to store even more hours of Full HD video (2) 1GB=1,000,000,000 bytes. 1TB=1,000,000,000,000 bytes. Actual user storage less. (2) Full HD (1920x1080) video support may vary based upon host device, file attributes, and other factors. See official SanDisk website.
- Up to 120MB/s transfer speeds let you move up to 1000 photos in a minute (5). Up to 120MB/s read speed, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speed. Write speeds lower. Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes. (5) Based on internal testing on images with an average file size of 3.55MB (up to 3.7GB total) with USB 3.0 reader. Your results will vary based on host device, file attributes, and other factors.
- Load apps faster with A1-rated performance (1). (1) A1 performance is 1500 read IOPS, 500 write IOPS. Based on internal testing. Results may vary based on host device, app type and other factors.
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Frequently bought together

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- Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128 GB, Black/CustomizedAmazon's Choicein Micro SD Memory Cards
Special offers and product promotions
- 90 days FREE of Amazon Music Unlimited. Included with purchase of an eligible product. You will receive an email with signup instructions. Renews automatically. New subscribers only. Terms apply. Offered by Amazon.com. Here's how (restrictions apply)
From the manufacturer


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Ideal for Android Smartphones and Tablets
SanDisk cards are compatible with Android smartphones and tablets.
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Capture and Store Even More Hours of Full HD(2)
With capacities of up to 1TB*, you can store even more hours of Full HD video(2) on the card without worrying about running out of room for the videos, photos, music, movies and other files.
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Transfer Speeds of up to 120MB/s**
Blazing transfer speeds mean that your content moves fast letting you move up to 1000 photos in a minute.(4)
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Load Apps Faster with A1-rated Performance(1)
Rated A1, the SanDisk Ultra microSD card is optimized for apps, delivering faster app launch and performance that provides a better smartphone experience.
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SanDisk Memory Zone App for Easy File Management
The SanDisk Memory Zone app lets you view, access, and back up your phone’s files in one location. It can also automatically move files from your device to your memory card to free up space.(3)
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Compatible with MobileMate USB 3.0 Reader(5)
Use with the MobileMate USB 3.0 microSD card reader so you can move big files fast, move a lot of files fast or just make frequent file transfers that much quicker.
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Are you shooting in 4K?
A SanDisk Extreme microSD card lets you record every heart-stopping moment on your adventures without skipping a frame
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Fast enough to keep up with the action
Ideal for recording outdoor adventures, weekend trips, or sporting events without skipping frames
Android phone/tablet | Devices | Phone, ActCam, Drone |
Full HD | Video Quality | Full HD, 4K UHD |
Up to 120MB/s** | Read Speed | Up to 160MB/s(6) |
-- | Write Speed | Up to 90MB/s(6) |
C10, U1, A1 | Class | C10, U3, V30, A2 |
Android phone/tablet | Devices | Dashcam,Homesecurity |
Full HD | Video Quality | Full HD, 4K UHD |
Up to 120MB/s** | Read Speed | Up to 100MB/s(7) |
-- | Write Speed | Up to 40MB/s(7) |
C10, U1, A1 | Class | C10, U3, V30 |
* 1MB=1,000,000 bytes. 1GB=1,000,000,000 bytes. 1TB=1,000,000,000,000 bytes. Actual user storage less.
** [for 32GB-1TB] Up to 120MB/s read speed, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speed. Write speeds lower. Based on inter-nal testing; performance may be lower depending on host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes.
** [for 16GB] Up to 98MB/s read speed; write speed lower. Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes.
1 A1 performance is 1500 read IOPS, 500 write IOPS. Based on internal testing. Results may vary based on host device, app type and other factors.
2 Full HD (1920x1080) video support may vary based upon host device, file attributes, and other factors. See offi-cial SanDisk website
3 Download and installation required. See official SanDisk website.
4 Based on internal testing on images with an average file size of 3.55MB (up to 3.7GB total) with USB 3.0 reader. Your results will vary based on host device, file attributes, and other factors.
5 Reader not included.
6 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.
7 Up to 100MB/s read speed, up to 40MB/s write speed. Based on internal testing; performance may be lower depending on host device, usage conditions and other factors. 1MB=1,000,000 bytes.
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Customer Rating | 4.7 out of 5 stars (227599) | 4.7 out of 5 stars (38156) | 4.7 out of 5 stars (38156) | 4.7 out of 5 stars (38156) | 4.8 out of 5 stars (27970) | 5.0 out of 5 stars (11) |
Price | $34.99$34.99 | $29.44$29.44 | $17.09$17.09 | $17.91$17.91 | $53.99$53.99 | $87.47$87.47 |
Sold By | Amazon.com | Amazon.com | Amazon.com | Amazon.com | All About Office | Triplenet Pricing INC |
Digital Storage Capacity | 400 GB | 256.0 GB | 128.0 GB | 64.0 GB | 400 GB | 400 GB |
Flash Memory Type | Micro SD | Micro SDXC | Micro SDXC | Micro SDXC | Micro SDXC | Micro SDXC |
Item Dimensions | 0.04 x 0.59 x 0.43 inches | 0.59 x 0.43 x 0.04 inches | 0.59 x 0.43 x 0.04 inches | 0.59 x 0.43 x 0.04 inches | 0.04 x 0.59 x 0.43 inches | 6 x 4 x 0.05 inches |
Item Weight | 0.16 ounces | 0.01 ounces | 0.01 ounces | 0.01 ounces | 0.16 ounces | 0.03 ounces |
Memory Storage Capacity | 400 GB | 256 GB | 128 GB | 64 GB | 400 GB | 400 GB |
Secure Digital Association Speed Class | Class 10 | Class 10 | Class 10 | Class 10 | Class 10 | Class 10 |
Size | 400GB | 256GB | 128GB | 64GB (2pack) | 400GB | — |
Product information
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Customer Reviews |
4.7 out of 5 stars |
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Best Sellers Rank | #78 in Micro SD Memory Cards |