256GB USB Drive, Coousyu USB Memory Stick Waterproof Storage Thumb Drive with Keychain;

Friendly Remind: It may not work on some Lenovo Laps like YOGA 530 and Thinkpad P50 etc.

Specifications: 

Color: silver

Net Weight: 7g 

Capacity: 256GB 

Interface: USB 2.0 

Read Speed USB 2.0: 10-20MB/second 

Write Speed USB 2.0: 5-12MB/second

Compatible Device: Window 98/98SE/ME/2000/XP,Mac OS(10.3x above),Linux Kernel (2.6 and above) 

Package Includes:

1 X USB Flash Drive

Tips:

Please Allow 10% Capacity Difference

So its really capacity may about 230-250GB