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StarTech.com 2 Port PCI Express PCIe SuperSpeed USB 3.0 Controller Card w/ SATA Power Model PEXUSB3S23
- Add two USB 3.0 ports to your desktop computer through a PCI Express slot
- Compatible with HP Pro 6300 / Lenovo ThinkCentre M93p
- 2 Port PCIe SuperSpeed USB 3.0 Card Adapter / 2Port USB 3.0 Controller Card
- USB 3.0 PCIe Card / PCIe USB 3.0 Card
- SATA Powered USB 3.0 PCI Express Card / PCI Express USB 3.0 Expansion Card / Two Port 5 Gbps USB 3.0 Card
- Desktop PCIe USB 3 Expansion Card / Add USB 3.0 Ports to a Desktop
- Desktop USB 3.0 Adapter Card includes a Low Profile/half-height bracket
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Overview
Specs
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Add two USB 3.0 ports to your desktop computer through a PCI Express slot - PCIe
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 1 year
- Limited Warranty period (labor): 1 year
- Read full details
Return Policies
- Return for refund until: January 31, 2027
- Return for replacement until: January 31, 2027
- This item is covered by Newegg.com's Extended Holiday Return Policy.
- Read full return policy for details.
We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.
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 PEXUSB3S23 is a PCIe x1 expansion card that adds two USB 3.0 Type-A ports to a desktop, making it suitable for users who need more USB connectivity and have an available PCIe slot.
Recommended For
- Owners of older desktop PCs with an available PCIe slot who need USB 3.x ports for transferring files to or from external drives and other USB storage devices.
- Small-form-factor desktop users who need two external USB ports and can use the included low-profile bracket.
- Desktop owners adding USB 3.x connectivity to an older system for compatible peripherals while retaining support for USB 2.0 and 1.1 devices.
- Users whose two bus-powered USB devices need up to 900 mA per port and whose desktop has a spare SATA power connector for the card.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Adding two USB 3.0 ports to a desktop through a PCI Express slot |
| Expansion Interface | Installs in a PCI Express x1 slot and complies with PCI Express 2.0 specifications; includes a low-profile/half-height bracket |
| USB Ports And Data Rate | Two USB 3.0 Type-A SuperSpeed female ports with data rates up to 5 Gbps; backward compatible with USB 2.0 and USB 1.0/1.1 devices |
| Power | Optional 15-pin SATA power connection provides up to 900 mA per USB port |
| System Compatibility | Supports Windows 8, 7, Vista, XP, Windows Server 2008 R2, and Windows Server 2003; listed as compatible with HP Pro 6300 and Lenovo ThinkCentre M93p |
| Included Items | PCI Express USB 3.0 card, low-profile bracket, driver CD, and instruction manual |
| Model Identifiers | StarTech.com PEXUSB3S23 |






























