ADD 4x SUPERSPEED USB 3.0 PORTS: This PCI/PCI-X Universal (3.3V & 5V, 32-bit) card adds four USB 3.0 ports to your computer or server through a PCI slot; Supports USB 3.0/3.1 Gen 1/USB 3.2 Gen 1x1 TRANSFER SPEEDS: Achieve speeds up to the maximum of your PCI bus (1.3Gbps) with UASP making the USB PCI card ideal for older computers with only PCI slots available like Dell OptiPlex 7010/HP Compaq dc7800; Backward compatible with USB 2.0/1.1/1.0 OPTIONAL POWER: USB PCI expansion card features SATA & SP4 power ports to supply supplemental power to the USB ports (when motherboard power is insufficient); Power can be connected to SATA or SP4 port to provide up to 5V 0.9A/4.5W per USB Type-A port STANDARD PROFILE & LOW PROFILE BRACKET: PCI USB card comes with a full-profile (standard) bracket pre-installed with a low-profile (half height) bracket included for versatile installation in both low-profile and full-profile computer systems COMPATIBILITY: The USB card is only compatible with PCI/PCI-X slots and is NOT COMPATIBLE with PCI-Express (PCIe), see StarTech.com PEXUSB3S4V for a PCIe solution