X-MEDIA
X-MEDIA XM-PEX-U304 4-Port USB 3.0 Self-Powered PCI Express (PCIe x1) Card | PCI-E to USB 3.0 Expansion Adapter Card | VIA VL805 Chipset | Standard/Low Profile Bracket Included
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
This USB 3.0 PCI express (PCIe) I/O Card offers a simple solution for connecting to USB 3.0 devices from your standard desktop PC. USB 3.0 is the latest generation of USB technology, boasting enhanced transfer rates up to 5Gbps. With Built-in Self-Powered technology, no additional power cable needed to connect from PC motherboard. Transfer videos, music, photos, and data files between USB devices and your computer at blazing fast speeds.
SpecPicks Verdict
SpecPicks classifies X-MEDIA XM-PEX-U304 4-Port USB 3.0 Self-Powered PCI Express (PCIe x1)… as a niche pick — read recent reviews before buying in the expansion cards category, based on 3 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. X-MEDIA's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for expansion cards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Compliant with PCI Express Specification 2.0
- ✓ Backed by X-MEDIA's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Below-average customer rating — read recent reviews before buying
- ✗ Limited review volume so far — fewer data points on long-term reliability
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- SuperSpeed USB 3.0 data transfer rate up to 5Gbps; Backward compatible with USB 2.0 & USB 1.x
- Compliant with PCI Express Specification 2.0
- Built-In Self-Powered, no power cable needed - maximum 5V/3000mA power output to USB device
- 4 downstream ports support data rate: Low/Full/High/SuperSpeed - Support Full/Slim Size Desktop PCs - Low Profile Bracket
- Supported OS: Windows 2000 / XP / Vista / 7 / 8 / 8.1 / 10 / 11 (32/64-bit); Linux
Full Specifications
| Brand | X-MEDIA |
|---|---|
| Style | 4-Port USB 3.0 Controller Card |
| Style Name | 4-Port USB 3.0 Controller Card |
| Connectivity | USB |
| Model Number | XM-PEX-U304 |
| Supported OS | Windows 2000 / XP / Vista / 7 / 8 / 8.1 / 10 / 11 (32/64-bit); Linux |
| Compatibility | Linux |
| Built-In Media | Low Profile Bracket, User Guide, XM-PEX-U304 Controller Card |
| Mfr Part Number | XM-PEX-U304 |
| Operating System | Linux, Windows |
| Compatible Devices | Personal Computer |
| Hardware Interface | PCI Express x1, USB 3.0 Type A |
| Warranty Description | Standard 1 Year Warranty |
| Item Dimensions L x W x H | 2.75"L x 2.5"W x 0.75"H |
Ready to buy?
X-MEDIA XM-PEX-U304 4-Port USB 3.0 Self-Powered PCI Express (PCIe x1) Card | PCI-E to USB 3.0 Expansion Adapter Card | VIA VL805 Chipset | Standard/Low Profile Bracket Included is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
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