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Small rectangular metal USB-A flash drive with sliding connector

SanDisk

SanDisk Extreme Go 256GB USB 3.2 Type-A Flash Drive SDCZ810-256G-G46

SKU CH-5BF6-TGFA0 MPN SDCZ810-256G-G46

A 256GB USB 3.2 Type-A flash drive with read speeds up to 400MB/s and write speeds up to 240MB/s, plus included encryption and recovery software

  • Total capacity256 GB
  • USB standardUSB 3.2
  • USB port typesType A
  • Max read speedup to 400 MB/s
  • Write throughputup to 240 MB/s
  • Product dimensions0.41 in × 0.71 in × 2.38 in
  • Move huge files fast with read speeds up to 400MB/s
  • Write large projects quickly at up to 240MB/s
  • Premium metal design withstands daily transport
  • SanDisk SecureAccess software helps protect sensitive files
  • RescuePRO Deluxe offer enables recovery of deleted data

Capacity and interface

The SanDisk Extreme Go SDCZ810-256G-G46 is a 256GB USB 3.2 Type-A flash drive built for professionals who move large media files between workstations. Its compact metal body fits in a pocket or bag without adding bulk.

Sustained transfer behaviour

Sequential reads reach up to 400MB/s and writes up to 240MB/s over the USB 3.2 interface, keeping throughput steady during long batch copies instead of throttling after a short burst. The metal casing helps dissipate heat so performance remains consistent across extended sessions.

Deciding specification

The single figure that determines fit is the 256GB capacity; buyers who need more storage must choose a higher-capacity model. The drive also includes SanDisk SecureAccess encryption software and a RescuePRO Deluxe recovery offer for data protection.

How it compares

Measured against everything we stock in USB Thumb Drives, at today’s prices. Recalculated every night.

Price $32.99
Typical for this category: the median of 1,099 items is $31.99.
Total capacity 256 GB
Higher than about 80% of the 746 comparable items (median 64 GB).
Price per TB $128.87 per TB
Cheaper than about 87% of the 600 comparable items (median $226.48 per TB).

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Specifications

Product
Brand nameSanDisk
Product lineExtreme Go
Model nameSDCZ810-256G-G46
Total capacity256 GB
Performance
Max read speedup to 400 MB/s
Write throughputup to 240 MB/s
Ports & slots
USB standardUSB 3.2
USB port typesType A
Size & build
Product dimensions0.41 in × 0.71 in × 2.38 in
Product weight0.02 lb (0.01 kg)
Shipping weight0.02 kg
Package size152 × 102 × 12 mm

Questions about this item

Does the metal body of the 256GB Extreme Go get hot when writing at 240MB/s for long periods?

The metal casing acts as a heat spreader so the drive stays within safe temperatures during sustained writes at up to 240MB/s.

Will the SDCZ810-256G-G46 work on my laptop that only has USB 2.0 Type-A ports?

Yes, the USB 3.2 Type-A connector is backward compatible with USB 2.0 ports, though speeds will be limited to the older standard.

Can I plug this 400MB/s flash drive into a USB 3.0 hub without losing performance?

The drive negotiates USB 3.2 speeds on a USB 3.0 hub, so you still get up to 400MB/s read and 240MB/s write.

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