ProGrade 256GB SDXC v90 UHS-II Card
In The Box
- ProGrade 256GB SDXC v90 UHS-II Card
ProGrade 256GB SDXC v90 UHS-II Card
The ProGrade Digital 256 GB SDXC UHS-II V90 Memory Card is a high-capacity, high-performance SD card designed for professional photographers and videographers. With the UHS-II bus interface and a V90 (Video Speed Class 90) rating, it guarantees a minimum sustained write speed of 90 MB/s.
It supports read speeds up to ~300 MB/s and write speeds up to ~250-275 MB/s for this capacity variant.
Available in both Single (one card) and 2-Pack variants, this card is ideal for demanding workflows such as high-bit-rate 4K/6K video capture, RAW burst photography, and fast post-production transfer.
Key Features
- 256 GB capacity.
- UHS-II interface, U3 / Class 10 / V90 rating.
- Maximum read speed up to ~300 MB/s.
- Maximum write speed up to ~250-275 MB/s.
- Minimum sustained write speed ≥ 90 MB/s (V90 guarantee).
- Durable, professional-grade build: shockproof, X-ray proof, wide temperature tolerance.
- Backward compatible with UHS-I devices (though at lower performance).
Best Suitable
- Filmmakers or videographers recording high-bit-rate 4K, 6K or higher resolution footage requiring reliable write performance.
- Photographers using continuous burst mode and large image files (e.g., wildlife, sports).
- Creators needing large capacity plus fast off-load capabilities.
- Dual-slot workflows or backup strategies — the 2-Pack variant provides two identical cards.
FAQ – ProGrade 256GB SDXC v90 UHS-II Card
What’s the difference between the Single and the 2-Pack?
The Single pack contains one 256 GB card; the 2-Pack bundle contains two identical 256 GB cards. Both cards share the same performance specification.
My camera only supports SD UHS-I — will this card still work?
Yes, it will work in UHS-I slots, but you will not get the full UHS-II speed. Performance will be limited to the capabilities of your device.
Why is sustained write speed important?
Sustained write speed determines how well the card can handle continuous data streams (like video) without falling behind or dropping frames. The V90 rating ensures a minimum of 90 MB/s sustained write
Why Choose Us
Foto Centre India, a leading camera and accessories store trusted across India. We offer genuine ProGrade products, backed by a 1-year warranty and dedicated customer support. Shop now at fotocentreindia.com to get authentic products delivered safely and quickly.
ProGrade 256GB SDXC v90 UHS-II Card
Specifications
| Capacity | 256GB |
| Card Type | SDXC UHS-II |
| Bus Type | UHS-II |
| Speed Class | 10 |
| UHS Speed Class | Class 3 (U3) |
| Video Speed Class | V90 |
| Maximum Read Speed | 300 MB/s |
| Maximum Write Speed | 250 MB/s |
| Minimum Write Speed | 90 MB/s |
| Operating Temperature | -25°C to 85°C (-13°F to 185°F) |
| Storage Temperature | -40°C to 85°C (-40°F to 185°F) |
| File System | exFAT |
Manufacturer & Address : Prograde, Phison Electronics No.1, Qun Yi Rd. 350 Junan, Miaoli County, Taiwan.
Importer or Packer : Extreme Adventure Sports, FL-1B, Plot No. 410/2, Green Terrace, Near Vidyut Nagar, Lane No. 5, South Koregaon Park, Pune 411001.
Country of Origin : Taiwan.
GTIN No. :
Single – 850009524140
Pack 2 – 850009524171
