- Stock: In Stock
- Brand: ProGrade
- Model: UHS-II SDXC
- SKU: PGSD256GBIKNA
ProGrade Digital UHS-II SDXC V90 – 256GB (Iridium)
Up to 300MB/s reads & 275MB/s writes for 4K video and burst shooting
Room for high-res photo & video
Optimized for advanced DSLR/mirrorless
Fast offload & review
Responsive continuous shooting
Minimum sustained write of 90MB/s
Stable, uninterrupted recording
Great for bursts & rapid capture
Helps prevent accidental erasure
Overview
The ProGrade Digital 256GB UHS-II SDXC Iridium card leverages the UHS-II bus for advanced DSLR and mirrorless workflows, enabling continuous shutter bursts, rapid still capture in RAW/JPEG, and reliable 4K/Full HD video. It achieves up to 300MB/s read and 275MB/s write speeds, while its V90 rating guarantees a minimum sustained write speed of 90MB/s for consistent, uninterrupted recording. A built-in write-protect switch adds an extra layer of data safety.
Detailed Features
- Maximum read speed: up to 300MB/s.
- Maximum write speed: up to 275MB/s.
- Minimum sustained write: 90MB/s (V90); also U3 / Class 10 rated.
- Bus & format: UHS-II SDXC for high-throughput stills and video.
- Capture modes: Ideal for 4K & Full HD video, continuous bursts, RAW & JPEG shooting.
- Write-protect switch: Helps prevent accidental deletion and formatting.
- Operating/storage temps: 10–161°F (-12–72°C) operating; -4–185°F (-20–85°C) storage.
Performance depends on host device, UHS-II compatibility, and workload. The V90 guarantee applies when used in V90-compatible cameras. Actual sustained speeds may vary based on shooting settings and environment.
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