STARTECH PEXUSB3S25 2 Port PCI Express USB 3.0 Expansion Card
- 2x USB Ports
- USB 3.0
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Adds seven USB 3.0 ports — two Type-C and five Type-A — through a PCIe x1 slot with 5 Gbps speeds and per-port over-current protection
The ESTONE PCIE25A2C adds seven USB 3.0 ports to a desktop through a single PCI Express x1 slot. Two ports use USB-C connectors and five use USB-A connectors. It is aimed at users who need more front-panel connections for keyboards, mice, drives, webcams, printers or scanners. The card works with Windows 7 through 11 and Mac OS 10.8.2 or later.
Each port can signal at up to 5.0 Gbps, but the x1 lane limits total throughput to that same ceiling. Everyday file copies to external hard drives or SSDs run at USB 3.0 speeds, while multiple simultaneous transfers share the available bandwidth. The card draws all power from the slot, delivering up to 5 W (5 V / 1 A) per port without an extra power cable. Very high-draw devices may exceed the per-port limit.
The board measures 4.92 by 4.06 by 1.06 inches and weighs 3.2 ounces. A low-profile bracket and standard mounting screws are included for typical case slots. Each of the seven ports has its own over-current and short-circuit guard, so a fault on one device does not affect the others. Driver installation is required on Windows; a CD is supplied and the driver is also available for download.
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| Product | |
|---|---|
| Brand name | ESTONE |
| Product line | PCIE25A2C |
| Model name | PCIE25A2C |
| Product type | PCI to USB Card |
| Performance | |
| Transfer speed | Up to 5.0 Gbit/s |
| Connectivity | |
| Supported standards | USB 3.0 |
| Ports & slots | |
| External USB ports | 7x 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 3.0 PCI-E expansion card, 1x CD driver, 1 x installation screws, and 1x user manual. |
Yes, the card supports PCI Express 2.0 x1 lane and is backward compatible with PCIe 3.0, 2.0 motherboards, fitting any x1 to x16 slot.
Check Device Manager to confirm the Renesas or VLI USB 3.0 host controller appears without errors, then run a file transfer to a USB 3.0 flash drive and observe speeds approaching 5 Gbps.
The box contains the expansion card, a driver CD, installation screws and a user manual; the card draws power from the PCIe slot so no external adapter is needed.
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