![[Older Version] SanDisk 256GB Ultra microSDXC UHS-I Memory Card with Adapter - 100MB/s, C10, U1, Full HD, A1, Micro SD Card - SDSQUAR-256G-GN6MA](https://m.media-amazon.com/images/I/41XitPFcvnL._SL500_.jpg)
SanDisk
512GB Ultra SDXC card up to 120 MB/s UHS-I Class 10 U1
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
Bottom line: The 512GB Ultra SDXC card up to 120 MB/s UHS-I Class 10 U1 is a niche pick — read recent reviews before buying in the external storage category, priced around $133.99. Read recent reviews carefully before committing.
About this item Great choice for compact to mid-range point-and-shoot cameras Quick transfer speeds up to 120MBs(1) to back up those moments; (1)Up to 120MBs read speed, engineered with proprietary technology to reach speeds beyond UHS-I 104MBs, requires compatible devices capable of reaching such speeds; 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 Up to 512GB to store tons of pictures and even more Full HD video(2); (2)Full HD (1920x1080) video support may vary based upon…
SpecPicks Verdict
SpecPicks classifies SanDisk 512GB Ultra SDXC card up to 120 MB/s UHS-I Class 10 U1 as a niche pick — read recent reviews before buying in the external storage category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. SanDisk's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for external storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Great choice for compact to mid-range point-and-shoot cameras
- ✓ Backed by SanDisk's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Great choice for compact to mid-range point-and-shoot cameras
- Quick transfer speeds up to 120MBs(1) to back up those moments; (1)Up to 120MBs read speed, engineered with proprietary technology to reach speeds beyond UHS-I 104MBs, requires compatible devices capable of reaching such speeds; 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
- Up to 512GB to store tons of pictures and even more Full HD video(2); (2)Full HD (1920x1080) video support may vary based upon host device, file attributes, and other factors; Visit the SanDisk Video Knowledge Base for more information; 1GB=1,000,000,000 bytes. Actual user storage less
- Exceptional video recording performance with UHS Speed Class 1 (U1)(5) Class 10 rating for Full HD video (1080p)(2); (5)UHS Speed Class 1 (U1) designates a performance option designed to support real time video recording with UHS enabled host devices; See the official SanDisk website for more information on UHS speed
- Compatible with SanDisk SD UHS-I card reader (sold separately) for speeds up to 120MBs(1)
Full Specifications
| UPC | 619659193614 |
|---|---|
| ASIN | B09NTPJZZD |
| Brand | SanDisk |
| Colour | black, silver |
| Brand Name | SanDisk |
| Model Name | SDSDUN4-512G-GN6IN |
| Model name | SDSDUN4-512G-GN6IN |
| Read Speed | 120 Megabytes Per Second |
| Unit Count | 1.0 count |
| Item Weight | 0.01 Pounds |
| Media Speed | 96-108 MB/s |
| Manufacturer | SanDisk |
| Model Number | SDSDUN4-512G-GN6IN |
| Warranty Type | Limited |
Ready to buy?
SanDisk 512GB Ultra SDXC card up to 120 MB/s UHS-I Class 10 U1 is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
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