Startech PEXUSB314A2V2 - USB PCIe card w/ 4x USB-A up to SuperSpeed 10Gbps per port 2x ASM3142 chips (2 ports/controller) w/ up to 20Gbps total bandwidth USB 3.1/3.2 Gen 2 expansion card Upgraded version of our popular USB card PEXUSB314A2V - USB PCI Express adapter card has Multiple INs for max bandwidth w/mixed-speed devices - Ideal for SSDs/HDDs/NVMe - Optional SATA power for up to 4.5W per port - Install add-on card in full profile PCI-e 2.0 x4 slot Windows/Linux/macOS - StarTech.com lifetime warranty