About REAL Capacity

This is calculation difference between manufacturer and your PC, please Google 'Memory card capacity' to get more information.

For your reference

Your PC says 1GB = 1.073741824 Billion bytes where Market Defines 1 GB = 1.00 Billion bytes.

64GB = approximately 58GB-60GB

128GB = approximately 119GB-120GB

TECH SPECS

Product Type :USB 3.1 Flash Drive

Application: PC, Notebook

Capacity :64GB/128GB (1GB=1Billion byte) * Actual usable capacity may be less (due to formatting, operating system, applications or otherwise)

Interface: USB 3.1

Series: USB Type-C

Dimension: 33.7 X 15.9 X 6.4 mm

Weight: Approx. 3.16g

Speed for USB 3.0: Up to 15 0MB/s transfer speed.

*Actual speed may vary depending on use host device conditions and environment.

Warm tips
SAMSUNG Official Aliexpress Store offers 100% genuine products.
Please verify all Flash disks by H2testw on PC
Please test according to the port type to test flash disks, if not , speed will be reduced
**flash disk is greatly affected by card reader, adapter, USB port etc. Low quality device will 100% slow down card speed.