We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Black SanDisk USB 3.0 flash drive, 256GB, rectangular stick form

SanDisk

SanDisk SDCZ48-256G-A46 256GB USB 3.0 flash drive

SKU CH-0RYP-J1QR2 MPN SDCZ48-256G-A46

A 256 GB USB 3.0 flash drive with 128-bit encryption for secure laptop storage

  • 256 GB capacity stores large media libraries
  • USB 3.0 interface speeds up file transfers
  • Compact black design fits laptop ports easily
  • 128-bit encryption protects sensitive data
  • SanDisk Ultra reliability for everyday use

256GB USB 3.0 flash drive

The SanDisk SDCZ48-256G-A46 provides 256GB of portable storage in a black USB 3.0 stick. It is built for laptop users who need to move large files between devices without relying on cloud sync or network shares. The compact form factor suits daily carry in a bag or pocket.

Capacity and headroom

With 256GB of space the drive comfortably holds high-resolution photo libraries, video projects and full system backups. USB 3.0 interface bandwidth is the limiting factor when transferring many small files or sustained sequential workloads. Very large single-file archives may approach the practical throughput ceiling of the connection.

Thermals noise and power

The solid-state design has no moving parts so it runs silently during read and write operations. Power is drawn directly from the USB port with no external adapter required. Under normal file-transfer loads the casing remains cool to the touch.

How it compares

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

Price $49.99
Pricier than about 63% of the 1,099 comparable items (median $31.99).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

No published specifications for this item yet.

Questions about this item

Will the SDCZ48-256G-A46 256GB USB 3.0 flash drive work with my older laptop that only has USB 2.0 ports?

Yes, the USB 3.0 interface is backward compatible with USB 2.0 ports, so the drive will function normally at USB 2.0 speeds on older laptops.

How can I verify the SDCZ48-256G-A46 is performing correctly after plugging it in?

The drive should appear in your file manager with approximately 256GB capacity; you can copy a test file to confirm read and write activity.

Does the SanDisk SDCZ48-256G-A46 package include any cables or software, or is it just the drive?

The product is supplied as the flash drive only; no separate cables, adapters or software discs are included in the box.

More in USB Thumb Drives

Similar items