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5-Port USB PCIe Card, 10Gbps USB 3.1 Gen 2 PCIe Card w/ 1x USB-C & 2x USB-A, 1x 2 Port IDC (Internal 5Gbps USB Header Expansion), USB C PCIe Card, PCI Express USB Controller - Windows/macOS/Linux (PEXUSB312A1C1H)
- 5-Port USB PCIe card w/ ASMedia 3142 IC | Upgraded version of our PEXUSB312EIC
- USB 3.1 Gen 2 PCIe card adapter | 10Gbps Hub with 2x USB-A/1x USB-C external ports | Internal IDC header for 2x 5Gbps USB
- PCI Express expansion card/host controller | Multiple Ins maintains max bandwidth w/mixed speed devices | For USB devices and external storage SSD/NVMe
- Optional SATA power up to 15W USB Type-C + 4.5W USB-A per port
- Install USB-C PCIe card in PCI-e 3.0 x4 slot | Full/low profile brackets
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Overview
Specs
Reviews (3)
Warranty & Returns
Warranty, Returns, And Additional Information
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Warranty Notice:
This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-800-265-1844
- Support Email: support@startech.com
- Support Website
- View other products from STARTECH
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The StarTech.com PEXUSB312A1C1H is a PCIe USB expansion card for desktop users who need more high-speed connections: it adds two 10Gbps USB-A ports, one 10Gbps USB-C port, and a 5Gbps internal two-port USB header. It suits external-storage users and builds with a compatible PCIe 3.0 x4 slot.
Recommended For
- Desktop users who regularly move backups or video-editing files on external USB SSDs and need to add 10Gbps USB-A and USB-C ports through a PCIe slot.
- PC builders or upgraders who need an internal USB header for a front-panel hub or card reader, especially when the motherboard’s existing headers are occupied.
- Desktop owners with a compatible PCIe slot who want to add external USB ports to an older system without replacing the motherboard.
- Users connecting a mix of newer USB-C and USB-A accessories alongside older USB devices, who want those connections on one expansion card.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Adding high-speed USB-A, USB-C, and internal header connectivity to a compatible PCIe-equipped computer, including for external peripherals and storage devices |
| Ports And Expansion | Two external USB 3.2 Gen 2x1 Type-A ports and one external USB 3.2 Gen 2x1 Type-C port, each rated at 10 Gbps; one 20-pin IDC motherboard header provides two internal USB 3.0 ports rated at 5 Gbps |
| Interface And Protocols | PCI Express 3.0 x4 interface with UASP support |
| Power Output | USB-C: 15 W; USB-A: 4.5 W per port; IDC header: 4.5 W. Includes a 15-pin SATA power connector |
| System Compatibility | Supports Windows 7, 8, 8.1, and 10; Windows Server 2008 R2, 2012 R2, 2016, and 2019; Linux 3.5–4.11.x LTS; macOS High Sierra (10.13), Mojave (10.14), Catalina (10.15), and Big Sur (11.0) |
| Physical Specifications | 0.60 × 4.00 × 2.70 in; 0.13 lb. Includes a full-profile bracket (installed) and a low-profile bracket |
| Reliability | MTBF: 1,677,495 hours |
| Model Identifiers | StarTech.com PEXUSB312A1C1H |












