10PCs USB stick memory flash 4GB 8GB 16GB 32GB 64GB 128GB USB 2.0 short Board U disk pendrive

1.what is the write speed ?

our USB flash drive write speed is 5M/S -- 10M/S or you will lucky to get 11M .

if you want to save 1GB film in our USB flash drive,that you need the time is 2 mins,it save your time.

2.Why the USB flash drive real capacity is not correct capacity?

Flash memory vendors are using decimal arithmetic:1MB = 1000KB,1G = 1000MB

calculated, the operating system using binary arithmetic:1MB = 1024KB,1GB = 1024MB;

so there are some differences between display capacity and nominal capacity of flash memory product

Specifications:

Reading Speed: 10MB/s

2 years limited warranty

About capacity:

128MB=approximately 115.2MB-119.04MB

256MB=approximately 230.4MB-238.08MB

512MB=approximately 460.8MB-476.16MB

1GB=approximately 0.92GB-0.97GB 

2GB=approximately 1.7GB-1.85GB 

4GB=approximately 3.5GB-3.7GB

8GB=approximately 7.4GB-7.8GB

16GB=approximately 14GB-15GB

32GB=approximately 28GB-30GB

64GB=approximately 58GB-59GB

128GB=approximately 115.2GB-119.04GB

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

There could be some deviations due to manual measurement or slight color difference owing to photographing condition. Thank you for your understanding. If you do not understand what you can contact customer service at any time, I wish you a happy shopping.