The PEXUSB400 4 Port PCI Express USB 2.0 Adapter Card lets you connect up to 4 USB 2.0 external peripherals to your PCIe-enabled computer, with unique capability to provide full high-speed USB data transfer rates of up to 480 Mbps on each port independently.
The high-speed adapter card installs easily in an x1 PCI Express slot, and with 4 independent USB 2.0 ports, can address up to 127 USB devices per port for a maximum of 508 USB devices. This adapter also includes one shared internal USB header for connecting internal USB 2.0 peripherals.
This product is backed by StarTech.com’s Lifetime Warranty and FREE LIFETIME technical support.
The StarTech.com Advantage
Four independent/dedicated USB 2.0 ports ensure that you get the maximum performance possible from your connected USB 2.0 peripherals
Each port supports up to 127 USB devices, enabling a maximum of 508 connected USB peripherals
Backed by a StarTech.com lifetime warranty and free lifetime technical support
Four independent external USB 2.0 ports and one internal shared port
Supports High Speed USB 2.0 data transfer rates up to 480 Mbps on each port simultaneously
Backwards compatible with USB 1.1 and USB 1.0 devices
Provides up to 500mA of power per port with dedicated power supply input
Complies with Open Host Controller Specification Rev. 1.0a and Enhanced Host Controller Specifications Rev. 1.0
Compliant with PCI Express Specification 1.1
Supports Bulk/Interrupt/Isochronous USB Transfer modes
Supports up to 127 USB devices per port (requires additional USB hubs)
Plug-and-Play and Hot-Swap compatible
Add additional USB ports to a system with only one available PCI Express slot for support of multiple high speed USB devices simultaneously
Add four dedicated external USB ports to a PCI Express compatible Workstation or Server for additional high speed USB 2.0 connections
Provide additional dedicated USB 2.0 ports for multiple high performance external storage solutions
Ingram Micro Canada
Tech Data Canada
ASI Distribution Canada
Product appearance and specifications are subject to change without notice.
PCI Express One Lane 2.5Gb/s
ASIX/MosChip - MCS9990CV
1 - PCI Express x1 Male
1 - IDC (4 pin; Motherboard Header) Male
4 - USB A (4 pin) Female
Type and Rate
USB 2.0 - 480 Mbit/s
Windows 2000/ XP(32/64-bit)/ Vista(32/64-bit)/ 7(32/64-bit)/ 8 (32/64-bit)
Mac OS X (tested up to 10.8)