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SanDisk Cruzer Ultra 32GB USB 3.0 flash drive, black rectangular body with silver slider, 5.7 by 1.1 by 2.1 cm

SanDisk

SanDisk SDCZ48 Cruzer Ultra 32GB USB 3.0 Flash Drive

SKU CH-GTNM-V64GN

32 GB USB 3.0 flash drive with up to 100 MB/s read speed and 128-bit encryption

  • USB SpecificationUSB 3.0
  • Capacity32GB
  • Dimensions5.7 x 1.1 x 2.1 cm
  • Weight9 g
  • Up to 100 MB/s read speeds with USB 3.0
  • Write speeds up to five times faster than USB 2.0
  • 128-bit AES encryption protects private files
  • Compact 5.7 x 1.1 x 2.1 cm design weighs 9 g
  • 32 GB capacity stores large media files

Capacity and Interface

The SanDisk SDCZ48 Cruzer Ultra provides 32GB of storage in a USB 3.0 flash drive format. It is suited for users who move documents, photos or HD video clips between computers and need a compact, portable device. The small form factor fits easily into a pocket or laptop bag without adding bulk.

Sustained Transfer Behaviour

Read speeds reach up to 100 MB/s when connected to a USB 3.0 port, and write performance is rated at up to five times faster than standard USB 2.0 drives. The drive maintains backward compatibility with USB 2.0 ports, though transfer rates will fall to the older standard. No active cooling is present, so prolonged heavy writes may throttle.

Upgrade Context and Limits

This drive replaces older USB 2.0 sticks where slow transfers create a bottleneck for large media files. The jump is worthwhile when the host system has USB 3.0 ports and the workload involves frequent multi-gigabyte moves. It does not suit users who require hardware encryption, ruggedised casing or capacities beyond 32GB.

Points forts

  • Up to 100 MB/s read speeds with USB 3.0
  • Write speeds up to five times faster than USB 2.0
  • 128-bit AES encryption protects private files
  • Compact 5.7 x 1.1 x 2.1 cm design weighs 9 g
  • 32 GB capacity stores large media files

Caractéristiques

BrandSanDisk
ModelSDCZ48
USB SpecificationUSB 3.0
Capacity32GB
Dimensions5.7 x 1.1 x 2.1 cm
Weight9 g

Questions sur cet article

Does the SDCZ48 get hot or draw much power when left plugged in all day?

The drive uses USB 3.0 power limits and has no moving parts, so heat and power draw stay very low during continuous use.

What port must my computer already have for the SDCZ48 to work at its 100 MB/s read speed?

A USB 3.0 port is required to reach the stated read speed; the drive will still function in a USB 2.0 port at lower speed.

Will the SDCZ48 work properly alongside the USB 2.0 flash drives I already own?

Yes, it is backward compatible with USB 2.0 ports and can be used at the same time as older drives on the same hub or computer.

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