STARTECH PEXUSB3S25 2 Port PCI Express USB 3.0 Expansion Card
- 2x USB Ports
- USB 3.0
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Adds four USB Type-C ports running at 10 Gbps through a single PCI Express x4 slot
The ESTONE PCIE24C adds four external USB Type-C ports running at up to 10 Gbps through a single PCI Express x4 slot. It targets desktop or server owners who need more high-speed ports for external storage, cameras, phones or peripherals without replacing the motherboard. The ASM3142 controller handles USB 3.2 traffic and the card draws slot power, with an optional SATA connector for extra current. Buyers wanting Thunderbolt or DisplayPort Alt Mode should look elsewhere.
The half-height bracket fits any PCI Express x4, x8 or x16 slot on PCIe 2.0 or 3.0 motherboards. No external power brick is required; the optional SATA power plug supplements port current when the slot alone cannot deliver 5 V 3 A per port. Windows 8, 10, 11, macOS 10.8.2+ and most Linux kernels load drivers automatically. Windows 7 and XP require the Renesas/VLI driver from the included CD before the ports appear.
Verify the board has an open PCI Express x4, x8 or x16 slot — PCIe 1.0 slots are not supported. If you plan to run multiple power-hungry devices, confirm a spare SATA power cable from the PSU can reach the card’s auxiliary connector. The card does not support Thunderbolt, USB Power Delivery or video output, so monitors and PD chargers will not work. Ensure the operating system is Windows 7 or newer, macOS 10.8.2+ or a current Linux distribution.
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| Product | |
|---|---|
| Brand name | ESTONE |
| Product line | PCIE24C |
| Model name | PCIE24C |
| Product type | PCI to USB Card |
| Performance | |
| Transfer speed | Up to 10 Gbit/s |
| Connectivity | |
| Supported standards | USB 3.1 |
| Ports & slots | |
| External USB ports | 4x USB Ports |
| Size & build | |
| Product dimensions | 4.92 × 4.06 × 1.06 in |
| Product weight | 3.2 oz |
| Compatibility | |
| Supported operating systems | Windows 7/8/10/11 |
| In the box | |
| In the box | 1x USB 3.2 PCI-E expansion card, 1x CD driver, 1 x installation screws, and 1x user manual. |
Check Device Manager for the ASM3142 controller listed under Universal Serial Bus controllers and verify the port shows SuperSpeed USB 10 Gbps in the properties; transfer a large file to an external SSD and confirm sustained speeds near 10 Gbps.
The package includes the PCIe x4 expansion card, a driver CD, mounting screws and a user manual; the card draws power from the PCI Express slot, but a SATA power connector is provided on the board for optional 5 V 3 A per port if the motherboard supply is insufficient.
Install the card in any PCI Express x4, x8 or x16 slot that complies with PCIe 2.0 or 3.0; PCIe 1.0 slots are not supported.
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