X-MEDIA
X-MEDIA XM-PEX-U304S 4-Port USB 3.0 PCI Express (PCIe x1) Card
Bottom line: The X-MEDIA XM-PEX-U304S 4-Port USB 3.0 PCI Express Card is a specs-and-price decision rather than a crowd-consensus one in the expansion cards category, priced around $17.99 on Amazon as of 2026-10-06. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.
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*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Compliant with PCI Express Specification 2.0
- ✓ Backed by X-MEDIA's warranty and support channels
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated
Manufacturer description
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 scored X-MEDIA XM-PEX-U304S 4-Port USB 3.0 PCI Express Card using a rating × review-volume × price-fit model applied to published specs and reviews across the expansion cards category. X-MEDIA's expansion cards lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
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 retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
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 - Each USB port supplies 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-U304S |
| Supported OS | Windows 2000 / XP / Vista / 7 / 8 / 8.1 / 10 / 11(32/64-bit); Linux |
| Compatibility | Linux |
| Built-In Media | CD Driver Disk w/User Guide, Low Profile Bracket, XM-PEX-U304SController Card |
| Mfr Part Number | XM-PEX-U304S |
| 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 | 4.75"L x 2.72"W x 0.75"H |
| 4 downstream ports support data rate | Low/Full/High/SuperSpeed - Support Full/Slim Size Desktop PCs - Low Profile Bracket |
| Full listing title | X-MEDIA XM-PEX-U304S 4-Port USB 3.0 PCI Express (PCIe x1) Card | PCI-E to USB 3.0 Expansion Adapter Card | Built-in Self-Powered | VIA VL805 Chipset | Standard/Low Profile Bracket Included |
Ready to buy?
X-MEDIA XM-PEX-U304S 4-Port USB 3.0 PCI Express (PCIe x1) Card | PCI-E to USB 3.0 Expansion Adapter Card | Built-in Self-Powered | VIA VL805 Chipset | Standard/Low Profile Bracket Included is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
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