StarTech.com 4 Port SuperSpeed USB 3.0 PCI Express Card with SATA Power - USB adapter - PCIe - USB, Hi-Speed USB, SuperSpeed USB 3.0 - 4 portsItem#: YYI1-LB0000  |  Model#: PEXUSB3S4

Add 4 USB 3.0 ports to your desktop computer through a PCI Express expansion slot. The PEXUSB3S4 4-Port PCI Express SuperSpeed USB 3.0 Card (with SATA Power) adds 3 external USB 3.0 ports and an internal USB 3.0 port to any PCI Express-enabled computer system. With SuperSpeed USB 3.0, you can reach data transfer speeds up to 5 Gbps, while still being backward compatible with existing USB 2.0 devices at 480Mbps.

With a built-in SATA power connector, each USB port can provide up to 900mA of power to USB 3.0 devices (500mA for USB 2.0) by connecting to your computer power supply.

Specifications

General
   Device Type:  USB adapter - 4 ports
   Form Factor:  Plug-in card
   Interface (Bus) Type:  PCI Express x1
   Width:  0.9 in
   Depth:  3.5 in
   Height:  3 in
   Weight:  2.1 oz

Networking
   Connectivity Technology:  Wired
   Data Link Protocol:  USB, Hi-Speed USB, SuperSpeed USB 3.0
   Data Transfer Rate:  5 Gbps
   Compliant Standards:  USB 1.1, USB 2.0, USB 3.0

Expansion / Connectivity
   Interfaces:  3 x SuperSpeed USB 3.0 - 9 pin USB Type A ( external ) ¦ 1 x SuperSpeed USB 3.0 ( internal )
   Compatible Slots:  1 x PCI Express

Miscellaneous
   Included Accessories:  Low-profile bracket
   Compliant Standards:  FCC, RoHS

Software / System Requirements
   Software Included:  Drivers & Utilities
   OS Required:  Microsoft Windows Server 2008 R2, Microsoft Windows Vista (32/64 bits), Microsoft Windows 7 (32/64 bits), Microsoft Windows XP (32/64 bits), Microsoft Windows Server 2003 (32/64-bits), Windows 8 (32/64 bits)

Manufacturer Warranty
   Service & Support:  2 years warranty
   Service & Support Details:  Limited warranty - 2 years

Environmental Parameters
   Min Operating Temperature:  41 °F
   Max Operating Temperature:  122 °F
   Humidity Range Operating:  20 - 80%