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Small black microSD card 11 by 15 mm with SD adapter

Transcend

Transcend TS256GUSD350V 256GB microSD U3 Class 10 94/45 MB/s

SKU CH-0Q1E-0JFG3

A 256 GB microSD card rated UHS-I U3 Class 10 with 94 MB/s read and 45 MB/s write for drive recorders and security cameras

  • Product typeInternal / External Solid State Drive (SSD)
  • Designed for continuous recording in drive recorders and security cameras
  • Read speeds up to 94 MB/s and write speeds up to 45 MB/s for smooth capture
  • Withstands temperatures from -25 °C to 85 °C for reliable outdoor use
  • Waterproof, shockproof, X-ray proof and static resistant for harsh environments
  • Includes SD adapter for flexible use across devices

High-Endurance microSD for Continuous Recording

This Transcend TS256GUSD350V is a 256 GB microSD card built for devices that write constantly, such as drive recorders, security cameras and surveillance systems. It ships with an SD adapter so it fits full-size slots as well.

Suits always-on cameras, not occasional storage

Buyers who need a card that survives non-stop overwriting in harsh environments will benefit from the 60,000-hour endurance rating and 10,000 insertion cycles. Users looking for general-purpose media storage or infrequent backups do not need this level of write durability.

UHS-I U3 Class 10 with 94 MB/s read

The speed class and quoted maximum transfer rates decide whether the card can keep up with your recorder's bitrate. The operating range of -25 °C to 85 °C and resistance to water, shock, X-rays and static complete the specification set.

How it compares

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

Price $117.99
Pricier than about 76% of the 1,947 comparable items (median $46.99).

Specifications

Product
Product typeInternal / External Solid State Drive (SSD)

Questions about this item

What do the 94/45 MB/s peak speeds mean when the card is inside a dash cam or security camera?

The camera can burst-read footage at up to 94 MB/s and sustain writes up to 45 MB/s, so 4K clips record without dropped frames as long as the device supports UHS-I.

Which bus standard does the TS256GUSD350V use and what throughput ceiling does it impose?

It runs on the UHS-I interface, so the host controller limits real-world throughput to the UHS-I maximum even though the card is rated for 94 MB/s read and 45 MB/s write.

Will this 256 GB microSD fit my recorder's slot and survive vibration?

The card measures 11 mm x 15 mm x 1 mm, weighs 0.4 g, and is rated for 10,000 insertion cycles plus shock resistance, so it fits any standard microSD slot and handles constant vehicle vibration.

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