PI3EQX12904A is a 2 port/4 channel, low power, flexible multi-protocol redriver operating up to 12Gbps speeds. Supported protocol include PCIe 3.0 and SATA3, be adjusted thru pin strap. It has power saving feature when there is no activity at the input or in case of PCIe 3.0, it also has unplug power savings mode.