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Green circuit board with four blue USB 3.0 ports, two Type-A on a metal bracket and one 20-pin internal header, Molex power connector

EN-Labs

EN-Labs PCE4USB-RD1 PCIe USB 3.0 expansion card 4-port 20-pin internal Molex

SKU CH-FCYG-TRY4G

Adds four USB 3.0 ports — two external Type-A and one 20-pin internal header — via a PCIe x1 slot with VIA VL805 chipset and Molex power

  • External USB ports4-port USB 3.0
  • Product typePCI Express to USB Card
  • DetailsBus Type:PCI ExpressType Standard:Profile (LP bracket incl.)
  • Key featuresAdd 4 USB 3.0 ports(2 x Type A + 20 Pin Interna) through a P
  • In the box1 x PCIe USB 3.0 PCI express card
  • Add four USB 3.0 ports via a single PCIe x1 slot
  • Two external USB 3.0 Type-A ports for rear-panel devices
  • One internal 20-pin header drives two front-panel USB 3.0 ports
  • VIA VL805 chipset delivers 5 Gbps per port with USB 2.0/1.1 backwards compatibility
  • Molex 4-pin power and per-port over-current protection safeguard connected devices

EN-Labs PCE4USB-RD1 PCIe USB 3.0 card

This EN-Labs add-on card uses a VIA VL805 chipset to provide four USB 3.0 ports through a single PCI Express x1 slot. Two Type-A ports sit on the rear bracket while one internal 20-pin header feeds two front-panel ports. A Molex 4-pin connector supplies auxiliary power and each port carries independent over-current protection.

Windows 8 and 10 desktops needing extra front

The card is plug-and-play on Windows 8 and 10, while Windows 7, 8, XP and Vista require a driver install. The supplier notes that Linux is not supported, so builders targeting that OS should choose a different controller. Both full-height and low-profile brackets are included for standard ATX and slim cases.

VIA VL805 chipset with no Linux driver support

The VL805 controller delivers 5 Gbps per port and is backward compatible with USB 2.0 and 1.1 devices. Because the manufacturer explicitly states that Linux is not supported, the chipset choice is the single specification that determines whether this card fits the intended operating system.

How it compares

Measured against everything we stock in PCIe Expansion Cards, at today’s prices. Recalculated every night.

Price $13.99
Cheaper than about 85% of the 891 comparable items (median $30.99).

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Specifications

Product
Brand nameEn-Labs
Model namePCE4USB-RD1
Product typePCI Express to USB Card
Ports & slots
External USB ports4-port USB 3.0
In the box
In the box1 x PCIe USB 3.0 PCI express card

Questions about this item

What slot and power connector must the motherboard and PSU provide for the EN-Labs PCE4USB-RD1 to function?

The card requires a free PCI Express x1 slot (also compatible with x4, x8 or x16) and a spare Molex 4-pin power connector from the power supply.

Will USB 2.0 and USB 1.1 devices connected to the card's four ports operate at their original speeds?

Yes, the VIA VL805 chipset is backwards compatible with USB 2.0 and USB 1.1, so older peripherals will work at their native rates.

After installing the card in Windows 10, how can I verify each of the four ports is running at USB 3.0 5 Gbps?

Open Device Manager, expand Universal Serial Bus controllers, confirm the VIA VL805 host controller appears without errors, then attach a USB 3.0 flash drive to each port and check that the transfer speed reaches the 5 Gbps rating.

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