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Small black microSD card with gold contacts and DATO branding

DATO

DATO Express 256GB microSDXC NVMe memory card

SKU CH-VDAN-GRFB0

A 256GB microSDXC Express card using PCIe Gen3 x1 and NVMe for up to 800MB/s read and 700MB/s write, rated V30 and A1

  • Total capacity256 GB
  • Memory card formatMicro SDXCEX
  • Speed classV30
  • Max read speedUp to 800 MB/s
  • Write throughputUp to 700 MB/s
  • Product typeMicro SDXCEX
  • SSD-level speed in a microSD card with PCIe Gen3 x1 NVMe interface
  • Sustained 4K/8K recording backed by V30 video speed class
  • Faster app loading on consoles and phones via A1 application performance
  • Works in legacy UHS-I devices while reaching full speed on Express hosts
  • Compact 15 x 11 x 1 mm form factor fits drones, cameras and handhelds

What this card is and who it suits

The DATO Express 256GB microSDXC NVMe card delivers PCIe Gen3 x1 NVMe performance in a microSD form factor. Sequential reads reach 800MB/s and writes 700MB/s, meeting V30, U3 and A1 ratings for 4K and 8K capture. It targets creators, power users and console owners who need removable storage with SSD-level throughput.

What to verify on your host device

Full speed requires a microSD Express compatible slot with PCIe Gen3 x1 and NVMe support. In UHS-I only devices the card falls back to standard UHS-I rates. Check your console, camera, drone or smartphone specifications for microSD Express readiness before ordering. The card measures 15mm by 11mm by 1mm and operates between 2.7V and 3.6V.

Behaviour under sustained workloads

The NVMe protocol and PCIe Gen3 x1 link maintain high throughput during long 4K or 8K recording sessions without the thermal throttling typical of UHS-I cards. A1 class ensures consistent random IOPS for application loads and game assets. Backward compatibility guarantees basic function on legacy hosts, though sustained write performance will remain at UHS-I levels there.

How it compares

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

Price $77.99
Pricier than about 65% of the 1,947 comparable items (median $46.99).
Total capacity 256 GB
Higher than about 80% of the 1,132 comparable items (median 64 GB).
Price per TB $304.65 per TB
Cheaper than about 59% of the 901 comparable items (median $374.69 per TB).

Specifications

Product
Brand nameDATO
Model nameDTEX256GU3A1V30A
Total capacity256 GB
Product typeMicro SDXCEX
Performance
Speed classV30
Max read speedUp to 800 MB/s
Write throughputUp to 700 MB/s
Storage
Memory card formatMicro SDXCEX

Questions about this item

Does the 256GB card come with an SD adapter or do I need to buy one separately?

The card is supplied as a bare microSDXC Express unit; an SD adapter is not included and must be purchased separately if your device uses a full-size SD slot.

Should I choose the 128GB, 256GB or 512GB version for 8K video work?

All three capacities share the same 800MB/s read and 700MB/s write limits, so pick the capacity that fits your typical shoot length — 256GB holds roughly twice the footage of 128GB and half of 512GB.

Will I actually see 800MB/s read speed when the card is in my camera?

You will only reach the 800MB/s read and 700MB/s write figures on a host that supports microSD Express with PCIe Gen3 x1 and NVMe; on a standard UHS-I device the card falls back to UHS-I speeds.

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