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Black SDXC memory card with UHS-II contacts and V90 label

Delkin Devices

Delkin Devices memory card

SKU CH-9E0E-S037A

256 GB SDXC card with UHS-II speeds up to 300 MB/s read and 250 MB/s write, V90 rated for 8K and 360 video

  • Rapid offload with 300 MB/s max read speed
  • Sustained 250 MB/s write for data-intensive recording
  • 256 GB capacity holds extensive 4K and 8K footage
  • V90 class guarantees 90 MB/s minimum write speed
  • Shockproof, waterproof and X-ray proof construction protects data

Professional 256 GB SDXC card

The Delkin Devices Power 256 GB UHS-II U3/V90 SDXC memory card targets professional photographers and videographers who need reliable high-speed capture. It supports demanding recording modes including 8K, 4K, 3D, HDR and 360-degree video. The V90 rating guarantees a minimum sustained write speed of 90 MB/s for professional-grade workflows.

UHS-II bus with 300 MB/s read

The UHS-II interface delivers maximum read speeds of 300 MB/s and write speeds of 250 MB/s for rapid data offloading to a computer. The card is built to be shockproof, waterproof and X-ray proof, protecting data in harsh shooting environments. No moving parts mean silent operation and low power draw during normal use.

Sustained V90 performance under load

Continuous-burst shooting and real-time broadcasting are supported without frame drops thanks to the guaranteed 90 MB/s minimum write speed. The card handles simultaneous multi-file recording at speeds exceeding 250 MB/s during prolonged sessions. Durability features maintain data integrity throughout extended, high-intensity capture workloads.

How it compares

Measured against everything we stock in SD & MicroSD Memory Cards, at today’s prices. Recalculated every night.

Price $335.99
Pricier than about 90% of the 1,947 comparable items (median $46.99).

Specifications

No published specifications for this item yet.

Questions about this item

How do I insert this UHS-II SDXC card so the second row of contacts actually engages?

Push the card straight into a UHS-II slot until it clicks; the extra row of pins only connects when the card is fully seated.

Will the V90 rating or the waterproof seal wear out first?

The V90 speed class is a sustained-write guarantee that does not degrade, while the waterproof rating lasts unless the housing is cracked.

What stops continuous 8K recording first — the 250 MB/s write ceiling or the 256 GB capacity?

The 250 MB/s minimum write speed is the hard limit; the 256 GB capacity only determines how long you can record before the card fills.

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