STARTECH PEXUSB3S25 2 Port PCI Express USB 3.0 Expansion Card
- 2x USB Ports
- USB 3.0
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Adds two internal front-panel headers and two external ports at up to 10Gbps via a PCIe 3.0 x4 slot with a low-profile bracket included
The RIITOP PCIe 3.0 x4 expansion card adds four USB 3.2 Gen1 ports running up to 10Gbps. Two ports sit on the bracket as one Type-A and one Type-C connector. Two internal headers provide a 20-pin socket and a Type-E connector for front-panel builds. It suits desktop owners who need more high-speed USB ports than their motherboard supplies.
You need a free PCIe 3.0 or 4.0 slot wired for at least x4 electrical lanes; x8 and x16 slots also work. If the slot is only PCIe 2.0 or 1.0 the link will run slower than 10Gbps. The card carries ASM3124 and VL822 controllers. Windows 7, 8, 10 and 11 (32 and 64 bit) and Mac OS 10.8.2 or later are supported, though Windows XP, Vista, 7 and Server editions require a separate ASMedia driver.
A low-profile bracket is included so the card fits slim chassis as well as standard towers. External Type-A and Type-C ports sit at the rear for permanent peripherals or quick attach drives. Internal 19-pin and Type-E headers route to front-panel USB-A or USB-C cut-outs. All ports are backward compatible with USB 2.0 and 1.0 devices.
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| Product | |
|---|---|
| Product type | PCIe expansion card |
The package contains the PCIe 3.0 x4 expansion card and a low-profile bracket. The card itself provides an internal 20-pin header, a USB 3.2 Gen1 Type-E header, one external USB 3.1 Type-A port and one external USB Type-C port, all supporting up to 10Gbps. No extra cables or adapters are included.
The card works in PCIe 2.0 slots but the 10Gbps headline speed requires a PCIe 3.0 or 4.0 x4, x8 or x16 slot. In a 2.0 slot the maximum throughput will be lower than 10Gbps.
Each of the four ports — internal 20-pin, internal Type-E, external USB 3.1 Type-A and external USB Type-C — can reach up to 10Gbps when the card is seated in a PCIe 3.0 or 4.0 x4 or wider slot. In slower slots the actual transfer rate drops below that figure.
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