Built-in PWM silent fan for positive heat dissipation, 3.3V 6000 RPM ^^ Bundled with silicone thermal pad for better cooling down during high speed transfer ^^ Please follow the quick setup guide turns intel PC to better transfer performance for 40Gbps (USB 4.0 ) Model.
^^ Caution: Please make sure the psition of fan is nearby the USB port after installation, otherwise the fan should not active for sure. ^^ Only for M. 2 NVMe / PCle SSD M Key, Not support NGFF / SATA M. 2 SSD.