Su-u3v212.v2 Driver -

Up to 5 Gbps (USB 3.2 Gen 1 / USB 3.0 SuperSpeed).

Ensuring actual 5 Gbps speeds rather than fallback USB 2.0 speeds. su-u3v212.v2 driver

The listed in your Device Manager (found under the 'Details' tab of the controller) Up to 5 Gbps (USB 3

Connect a Molex or SATA power cable from your power supply directly to the card. Without this, the ports will not supply enough power to external hard drives. su-u3v212.v2 driver

Make sure you are using a dedicated USB 3.0 cable (usually indicated by blue plastic inserts or an "SS" SuperSpeed logo). Plugging a USB 2.0 cable into the port will restrict your speed to 480 Mbps regardless of the driver.