BD-R DL: USB 3.0 High Speed Interface: Portable size is equipped with USB 3.0 high speed interface, bringing you faster data transfer speed and stable performance, compatible with USB 2.0 and USB 1.0.
Specifications: Type :PWM fan power extension cable
Length: 12 inches
Conductor:20AWG Copper
Connector A:1x 4pin PWM Fan TX4 male
Connector B: 1x 4pin PWM Fan TX4 female
Power supports:12V/5V fans
3-PIN & 4-PIN fan compatible