STARTECH PEXUSB3S25 2 Port PCI Express USB 3.0 Expansion Card
- 2x USB Ports
- USB 3.0
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Adds eight USB 3.2 ports (four Type-A, four Type-C) at up to 10 Gbps through a single PCIe slot
This PCIe add-in card adds four USB-C and four USB-A 3.2 ports to a desktop computer. It is aimed at builders and upgraders who need more high-speed peripheral connections than the motherboard provides. The board draws power directly from the PCI Express slot so no extra power cable is required. Each port includes overcurrent and static protection for reliable operation.
The card fits x4, x8 or x16 slots but operates over a single PCIe 3.0 or 2.0 lane. That single lane caps total throughput below the combined 10 Gbps potential of all eight ports when multiple devices transfer simultaneously. The interface does not support the Thunderbolt protocol or video output. Compatibility issues have been reported with certain Dell motherboards running Windows 10 or 11.
The card measures 4.76 inches long with USB-A ports standing 0.71 inches tall and uses a vertical port orientation. It does not ship with a low-profile bracket, so it will not fit 1U or 2U server chassis or other small-form-factor cases. Buyers with slim enclosures must source a suitable bracket separately or choose a different card.
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| Product | |
|---|---|
| Brand name | ESTONE |
| Product line | PCIE24A4C3.2 |
| Model name | PCIE24A4C3.2 |
| Product type | PCI to USB Card |
| Performance | |
| Transfer speed | Up to 10 Gbit/s |
| Connectivity | |
| Supported standards | USB 3.2 |
| Ports & slots | |
| External USB ports | 8x USB Ports |
| Size & build | |
| 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. |
This card only comes in the 4 USB-A and 4 USB-C layout; there is no alternative mix to choose.
Each port can reach up to 10 Gbps, but the single PCIe x1 lane caps total throughput below that when multiple devices run at once.
It fits PCIe 3.0 and 2.0 x1 slots, so the lane limits aggregate speed to roughly one lane of that generation.
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