Write(Minimum) ≥4M/S
Speed is depend on host device, interface, usage conditions and the type of your device.
Feature
Support System Windows 2000/XP/Vista,7,8,10.Mac OS: 10.3 and aboveSupport Device Computer/Laptop/TV/TV Box/Car Media Player and etc.About use Plug and play (no software needed)Interface type USB2.0,Adapter to type C/Micro USB(For device with OTG Function)
Safety Durable zinc alloy metallic,Dustproof,Shockproof,Waterproof,anti-static, anti-magnetic, high temperatureOperating
Temperature (0º C to 60 º C)Storage Temperature (-25º C to 80º C) DCVcc Power DC 4.5-5.5 VSize 48.0mmL x 12.3mmW x 4.6mmH/8.1g
Safety Durable zinc alloy metallic,Dustproof,Shockproof,Waterproof,anti-static, anti-magnetic, high temperatureOperating
Temperature (0º C to 60 º C)Storage Temperature (-25º C to 80º C) DCVcc Power DC 4.5-5.5 VSize 48.0mmL x 12.3mmW x 4.6mmH/8.1g
weight(net weight)capacity
So there are some differences between display capacity and nominal capacity of flash memory products.