Providing simple system expansion for added peripheral connections this PCI Express USB card adds 3 external USB 2.0 slots and 1 internal USB 2.0 slot with support for high speed USB 2.0 data transfer rates of up to 480 Mbps and includes WHQL certified drivers and easy plug and play installation. The is a low profile 4 port USB card designed for versatility and performance. Capable of adapting to virtually any PC case form factor the low profile USB card includes a standard profile bracket for installation in full form factor cases. Add 4 USB 2.0 ports to a low profile/small form factor (SFF) computer system to conserve expansion port availability. Dedicated power input ensures each port receives the full amount of power capable under USB 2.0 specification. 3 external and 1 internal USB 2.0 port. High Speed USB 2.0 compliant with transfer rates up to 480Mbps. Backward compatible with USB 1.0/1.1 devices. Provide up to 500mA of power per port with dedicated power input. Plug-and-Play compatible. Includes a full profile installation bracket. Add USB 2.0 connectivity to any PCIe based desktop workstation or server. Expand on a computers USB 2.0 capabilities with 4 additional ports for more USB device connections. Add an internal USB port to connect internal or front-bay mounted USB devices. Connect additional external hard drives CD/DVD drives MP3 players printers scanners webcams game controllers digital cameras etc. to a computer system. Technical Specifications. Warranty 2 Years. Card Type Low / Standard Profile. Product Height 0.79" (20 mm). Product Length 3.54" (90 mm). Product Width 3.15" (80 mm). Shipping (Package) Weight 0.35 lb (0.16 kg). Chipset ID Via - VT6212L. Pericom - P17C9X110BNBE. Number of Ports 4. External Ports 3 - USB A (4 pin) Female. Internal Ports 1 - USB A (4 pin) Female. Type and Rate USB 2.0 - 480 Mbit/s. Industry Standards PCI Express One Lane 2.5Gb/s. Operating Temperature -0�C to 75�C (32�F to 167�F). Humidity 80% RH. Storag