SDXC UHS-II V90 Iridium Memory Card (256GB)
*Price sourced from Amazon.com. Last updated 2026-05-24. Price and availability subject to change.
ProGrade Digital SDXC, UHS-II V90 Iridium memory cards for use in popular DSLR and mirrorless cameras. Our cards are SDA* compliant and also provide UHS-I DDR-104 and U3 speed class ratings which ensures maximum compatibility in all applications from single shot stills to high resolution 8K videos. Capacities range from 128GB to 1TB and performance levels provide read speeds of up to 300MB/second - ideal for quickly off-loading lots of content from the card to the work station at an attractive price. Official Memory Card Supplier to the FIA World Rally Championship
SpecPicks Verdict
SpecPicks classifies ProGrade Digital SDXC UHS-II V90 Iridium Memory Card (256GB) as a category leader on buyer feedback in the retro software & media category, based on 2,798 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. ProGrade Digital's positioning sits comfortably above the category median. 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 retro software & media 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
- ✓ Highly rated — 4.8★ average across customer reviews
- ✓ Large, well-vetted feedback pool (2,798 reviews)
- ✓ COMPATIBILITY: Canon, Sony, Nikon, Olympus, Panasonic, Fuji, Samsung
- ✓ Backed by ProGrade Digital'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
- SPEED: Read speed of up to 300 MB/s, write speed of up to 275MB/s, minimum sustained write speed of 90MB/s UHS-II, U3 Speed Class
- UNPARALLELED QUALITY: Rigorous 100% card testing for highest quality assurance. Serialized tracking of key components and manufacturing data for the highest quality control. Three year warranty
- COMPATIBILITY: Canon, Sony, Nikon, Olympus, Panasonic, Fuji, Samsung
- DESIGN: Optimized controller and firmware designed for cinematic cameras, 4K, 8K, RAW, RAW HD ready
- KEEP YOUR CARDS PERFORMING LIKE NEW with ProGrade Digital Refresh Pro software (available separately). All flash memory slows down over time; Refresh or sanitize your card to keep it at peak performance. And monitor the health of your cards before an important shoot.
Full Specifications
| Brand | ProGrade Digital |
|---|---|
| Color | Iridium |
| SPEED | Read speed of up to 300 MB/s, write speed of up to 275MB/s, minimum sustained write speed of 90MB/s UHS-II, U3 Speed Class |
| DESIGN | Optimized controller and firmware designed for cinematic cameras, 4K, 8K, RAW, RAW HD ready |
| Model Name | ProGrade Digital SDXC UHS-II V90 Iridium |
| Read Speed | 300 Megabytes Per Second |
| Media Speed | 275 Megabytes Per Second |
| Model Number | 1d2cba7a-ca50-4c46-97d6-beede78e91ce |
| COMPATIBILITY | Canon, Sony, Nikon, Olympus, Panasonic, Fuji, Samsung |
| Warranty Type | Limited |
| Flash Memory Type | SD |
| Compatible Devices | Camera |
| Additional Features | X Ray Proof |
| Warranty Description | 3 Year Warranty |
Ready to buy?
ProGrade Digital SDXC UHS-II V90 Iridium Memory Card (256GB) 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 2026-05-24. Price and availability subject to change.