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Black rectangular USB 3.0 flash drive with Type-A connector, 64GB capacity

SanDisk

SanDisk Ultra 64GB USB 3.0 Flash Drive SDCZ48-064G-U46

SKU CH-664K-7QT6F MPN SDCZ48-064G-U46

A 64 GB USB 3.0 flash drive with up to 100 MB/s read speed and 128-bit AES encryption

  • Total capacity64 GB
  • USB standardUSB 3.0
  • USB port typesType A
  • Max read speedup to 100 MB/s
  • Security features128bit AES Encryption
  • Product colorBlack
  • Up to 100MB/s read speed for quick file transfers
  • USB 3.0 interface enables faster data access than USB 2.0
  • 64GB capacity stores large media libraries and backups
  • 128-bit AES encryption protects sensitive files
  • ReadyBoost support speeds up compatible Windows systems

64 GB USB 3.0 flash storage

The SanDisk Ultra SDCZ48-064G-U46 is a 64 GB USB 3.0 flash drive with a Type A connector. It delivers read speeds up to 100 MB/s and includes 128-bit AES encryption for data protection. The drive supports ReadyBoost to improve system responsiveness on compatible Windows devices. Its compact black design suits everyday file transport and backup tasks.

Suits portable file transfer and ReadyBoost users

This drive fits users who need simple, encrypted storage for documents, media or ReadyBoost caching on a single computer. It is not for buyers who require write speeds above the unspecified rate, hardware encryption beyond 128-bit AES, or a USB Type-C connector without an adapter. It also does not serve workflows that demand capacities larger than 64 GB or ruggedised housings for harsh environments.

64 GB capacity with 100 MB/s read headroom

The 64 GB capacity comfortably holds large photo libraries, video collections or full system backups for typical home and office use. Read performance up to 100 MB/s keeps file opening and copying responsive on USB 3.0 ports. The drive runs out of space for extensive 4K video archives or multi-terabyte project datasets, and write-intensive tasks will hit the unspecified write-speed ceiling before the read limit.

How it compares

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

Price $22.99
Cheaper than about 65% of the 1,099 comparable items (median $31.99).
Total capacity 64 GB
Typical for this category: the median of 746 items is 64 GB.
Price per TB $359.22 per TB
Pricier than about 69% of the 600 comparable items (median $226.48 per TB).

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Specifications

Product
Brand nameSanDisk
Product lineUltra
Model nameSDCZ48-064G-U46.
Total capacity64 GB
Product colorBlack
Performance
Max read speedup to 100 MB/s
Ports & slots
USB standardUSB 3.0
USB port typesType A
More details
Security features128bit AES Encryption
Ready boostYes

Questions about this item

Does this drive need a USB 3.0 Type A port to reach the 100MB/s read speed?

Yes, a USB 3.0 Type A port is required to achieve the quoted up to 100MB/s read performance.

Will the SDCZ48-064G-U46 work if I plug it into an older USB 2.0 port on my PC?

It will function on USB 2.0 ports, but transfer rates will be limited to the older standard's maximum.

How can I verify the 128bit AES encryption is active after I set it up?

Use the SanDisk SecureAccess software; a locked vault icon appears when the encryption is protecting your files.

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