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4-Ports Superspeed 5Gbps PCIE USB 3.0 Expansion Card for Windows and Linux Desktop PCs, 2X Dedicated 5Gbps Channels 10Gbps Bandwidth, Built in FebSmart Self-Powered Technology (FS-2C-U4-Pro)
FebSmart

4-Ports Superspeed 5Gbps PCIE USB 3.0 Expansion Card for Windows and Linux Desktop PCs

Bottom line: The FebSmart 4-Ports Superspeed 5Gbps PCIE USB 3.0 Expansion Card is a specs-and-price decision rather than a crowd-consensus one in the expansion cards category, priced around $39.99 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.

$39.99

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Buy on Amazon — $39.99 Compare to similar expansion cards

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Backed by FebSmart'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

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SpecPicks Verdict

SpecPicks scored FebSmart 4-Ports Superspeed 5Gbps PCIE USB 3.0 Expansion Card using a rating × review-volume × price-fit model applied to published specs and reviews across the expansion cards category. FebSmart'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

  • 1. FS-2C-U4-Pro is a PCIE X4 interface to 2 channel 4-Ports USB 3.0 expansion card. Allow users add 2X dedicated USB 3.0 5Gbps channels, 10Gbps total bandwidth on 4X 5Gbps max USB 3.0 ports. It is mainly used on Desktop PCs, Working Stations, and NAS data centers for high-bandwidth USB 3.0 devices which including USB industrial cameras, USB VR-Systems, USB 3.0 NVME enclosures, USB live broadcast devices, USB 3.0 SSD/HDD enclosures, USB 3.0 video adapters and USB 3.0 universal docking stations.
  • 2. Based on 1X ASMedia ASM1806 10Gbps PCIE bridge controller and 2X ASMedia ASM1042 USB 3.0 host controller. Provide 2X independent USB 3.0 5Gbps channels, 10Gbps total Bandwidth. 2X external USB-A and 2X internal USB-A ports, 4X USB 3.0 5Gbps max ports in total. 1X external USB 3.0 port and 1X internal USB 3.0 port will share 1X USB 3.0 5Gbps bandwidth. 4X USB 3.0 Ports will share 10Gbps bandwidth.
  • 3. Built in FebSmart Self-Powered Technology, no need to plug any additional power cables from PCs power supply unit. Allow each USB 3.0 channel 2X USB 3.0 ports get 5V/3A 15W (5V/6 30W in total) max power supply from motherboard directly for connected high power consumption USB 3.0 devices. FebSmart add 4X electronic safety fuse and 4X voltage stable capacitor and 2X voltage stable inductance on the USB 3.0 expansion card, will protect user’s data and USB devices, make sure safe connection.
  • 4. Compatible System: 1. Plug and Play on Windows 11, 10, 8.x (32/64bit) and Windows Server 2012, 2012R2, 2016, 2019, 2022 systems. 2. Need to Install Driver on Windows XP, Vista, 7 (32/64bit) and Windows Server 2003, 2003R2, 2008, 2008R2 (32/64bit) systems. 3. Plug and Play on most Linux kernels. 4. Support Plug and Play on MAC OS X.
  • 5. PCIE X4 interface design, will works on PCIE X4, X8, X16 slot. Do not work on PCIE X1, X2 slot, do not work on PCI slot. Based on PCIE 2.0 standard, will compatible with PCIE 1.x, 2.x, 3.x, 4.x PCIE slot. The full height bracket mounted on this PCIE USB 3.0 expansion card, will works on Standard Size PCs. Low profile bracket in the package, will works on Slim PCs.
  • 6. ATTENTION: 1. Must make sure Desktop PCs have one empty PCIE X16 slot before purchase. 2. Must install driver on Windows 7 (32/64bit) and previous systems. 3. Slim PC users need change to low profile bracket by hand. 4. Please use USB 3.0 devices test connection speed, or cannot get the peak speed.

Full Specifications

BrandFebSmart
Style2X Channel 10Gbps Banwidth 4-Ports 5Gbps USB-A Ports PCIE USB 3.0 Expansion Card.
Style Name2X Channel 10Gbps Banwidth 4-Ports 5Gbps USB-A Ports PCIE USB 3.0 Expansion Card.
ConnectivityUSB
Model NumberFS-2C-U4-Pro
CompatibilityPC, Mac, Linux
Item Type Name2X Channel 10Gbps Banwidth 4-Ports 5Gbps USB-A Ports PCIE USB 3.0 Expansion Card.
Mfr Part NumberFS-2C-U4-Pro
Number of Items1
Compatible DevicesPersonal Computer
Hardware InterfacePCIE x 4, USB 3.0
Warranty Description1 Year Limited Parts Warranty.
Full listing title4-Ports Superspeed 5Gbps PCIE USB 3.0 Expansion Card for Windows and Linux Desktop PCs, 2X Dedicated 5Gbps Channels 10Gbps Bandwidth, Built in FebSmart Self-Powered Technology (FS-2C-U4-Pro)

Ready to buy?

4-Ports Superspeed 5Gbps PCIE USB 3.0 Expansion Card for Windows and Linux Desktop PCs, 2X Dedicated 5Gbps Channels 10Gbps Bandwidth, Built in FebSmart Self-Powered Technology (FS-2C-U4-Pro) 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.

Buy on Amazon — $39.99

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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4-Ports Superspeed 5Gbps PCIE USB 3.0 Expansion Card for Windows and Linux Desktop PCs, 2X Dedicated 5Gbps Channels 10Gbps Bandwidth, Built in FebSmart Self-Powered Technology (FS-2C-U4-Pro)
$39.99
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