PCI Express to USB 2.0 Host Adapter 4+1 Ports
Harnessing the powerful PCI Express capabilities on modern motherboards, the x1 PCI Express to USB 2.0 Host Adapter provides full 480Mbps throughput for high performance USB 2.0 peripherals. The adapter provides four external and one internal USB 2.0 ports. The PCIe card is fully backward compatible with existing USB 1.1 devices, and connects with USB based printers, modems, speakers, scanners, and hundreds of other devices. Easy USB installation makes adding new hardware a breeze, with no complex configuration, confusing plug-ins, or IRQs. Connect up to 127 USB products to PCs. Ready for use with self-powered devices, or plug an available system power cable into the onboard molex connecter for devices requiring bus power.
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| Part Number and Description | Price | Add to Cart |
| PCIE-U2IO-01 PCI Express to USB 2.0 Host Adapter 4+1 Ports U-320/U-321 | $53.00 | ![]() |
| Optional Accessories | ||
| CAB-U-A-B USB 2.0 A to B Cable 1M | $5.00 | |
| More USB Cables View our entire selection of USB Cables | ![]() |
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Features and Specifications

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- Features
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- Compliant with USB Specification 2.0
- Fully supports EHCI and OHCI Compliant standards
- Compliant with PCI Express Base Specification 1.0a
- Provides independent four external and one internal USB 2.0 high speed ports
- Supports data transfer rates of high-speed (480Mbps), full-speed (12Mbps) and low-speed (1.5Mbps)
- Hot-swapping feature allows you to connect/disconnect devices without powering down the system
- Supports simultaneous operation of multiple USB 2.0 and USB 1.1 devices
- Single-lane (x1) PCI Express throughout up to 2.5Gbps
- Chipset
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- NEC
- Bus Interface
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- Host: PCI Express x1
- Peripheral: USB 2.0
- Protocols
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- Universal Serial Bus 2.0 (EHCI)
- Universal Serial Bus 1.1 (OHCI)
- Performance
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- 1.5, 12 and 480 Mbps (megabits) transfer rates
- USB Connectors
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- Four external and one internal USB 2.0 type A ports
- System Requirements PC
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- PCI Express equipped computer
- Windows 2000/XP/Server 2003 (SP1 or later), Vista
- Package Includes
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- One (1) USB 2.0 PCIe Card
- Driver CD-ROM
- User manual
- Operating Environment
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- Operating temperature: 0° C to 55° C
- Relative Humidity: 90% (max.) non-condensing




