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Green circuit board with two blue USB-A ports on a metal bracket and a 20-pin header

EN-Labs

EN-Labs PCIEU32A20SSU PCIe to 4-port USB 3.0 converter

SKU CH-NDKW-PHZVJ

Adds four USB 3.0 ports via a PCIe x1 slot, with two external Type-A connectors, one internal 20-pin header, VIA VL805 chipset and built-in 2 A power so no extra cable is needed

  • TypePCI Express to USB Card
  • External USB Ports2 Ext / 2 Int
  • SpecificationsBus Type: PCI Express Mounting Type: Full Profile PCI slot c
  • FeaturesAdd four USB 3.0 Port to your to your PCIe-enabled desktop e
  • Package Contents1 x PCIe USB 3.0 PCI express card,1 x Low Profile PCI Slot C

Model 2P Low Profile

  • Adds four USB 3.0 ports via a single PCIe slot
  • Two USB 3.0 Type-A ports on the rear bracket
  • One internal 20-pin header for two front-panel USB 3.0 ports
  • VIA VL805 chipset delivers up to 5 Gbps per port
  • Built-in 2 A power supply removes the need for extra power cables

PCIe USB 3.0 Expansion Card

This PCI Express add-in card adds four USB 3.0 ports to a desktop computer. It fits any x1, x4, x8 or x16 slot and includes both full-profile and low-profile brackets. Two Type-A ports sit on the rear bracket while a 20-pin header feeds two internal front-panel ports. No extra power cable is required thanks to on-board 2 A power delivery.

VIA VL805 Chipset

The card uses the VIA VL805 controller to provide native USB 3.0 connectivity. Each port supports up to 5 Gbps data transfer and is backward compatible with USB 2.0 devices. Individual over-current and short-circuit protection is fitted to every port. Windows 8 and 10 work driver-free; Windows 7, Vista and XP need a driver. Linux is not supported.

Four Ports With 5 Gbps Each

Four devices can run simultaneously at full USB 3.0 speed, giving ample bandwidth for external drives, docks or high-speed peripherals. The single PCIe lane limits aggregate throughput to the bus maximum, so sustained transfers on all ports at once will share that ceiling. The internal 20-pin header suits front-panel USB 3.0 modules on modern cases.

Highlights

  • Adds four USB 3.0 ports via a single PCIe slot
  • Two USB 3.0 Type-A ports on the rear bracket
  • One internal 20-pin header for two front-panel USB 3.0 ports
  • VIA VL805 chipset delivers up to 5 Gbps per port
  • Built-in 2 A power supply removes the need for extra power cables

Specifications

BrandEn-Labs
ModelPCIEU32A20SSU
TypePCI Express to USB Card
External USB Ports2 Ext / 2 Int
SpecificationsBus Type: PCI Express Mounting Type: Full Profile PCI slot cover Chipset: VIA VL805 Interface: 2x USB 3.0 Port Type-A & Internal USB 20pin header Data Transfer Rate: USB 3.0 - 5 Gbit/s Connector Type (s) 1 - PCI Express x1 Male External Ports: 2x USB 3.0 Port Type-A Female Internal Ports 2 - USB 3.0 20pin male Power Supply: Build in Self-Powered Technology,Owns individual 2A power supply,no additional power input is required. Supports motherboard PCI-E X1 X4 X8 X16 slot Compatible OS: Compatible with 64-bit and 32-bit Windows 10 / 8.1 / 8/7 / XP.
FeaturesAdd four USB 3.0 Port to your to your PCIe-enabled desktop easily with PCI Express to USB3.0 Controller Adapter. 2 ports USB-A ports for periphery USB devices on PC case rear, one USB 20pin internal header for front panel Owns individual 2A power supply,no additional power input is required. Adopt VIA VL805 Main control chip, to reach USB 3.0 Max 5Gbps transmission speed, 4 USB 3.0 port can work at the same time. Backward compatible with USB2.0. Each interface has separated insurance, with over current & short circuit protection. Protect your devices and computer. Plug and play for W
Package Contents1 x PCIe USB 3.0 PCI express card,1 x Low Profile PCI Slot Cover

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Questions about this item

What does the 5 Gbps figure mean once the card is installed in a real machine?

Each of the four USB 3.0 ports can transfer data at up to 5 Gbps, and all four ports can operate at that speed simultaneously thanks to the VIA VL805 controller.

What interface does the card use and what does it cap in practice?

The card plugs into a PCIe x1 slot and is compatible with x4, x8 and x16 slots; the USB 3.0 interface caps each port at 5 Gbps.

What does the card physically need to fit or mount in a case?

It requires a full-profile PCIe slot and includes a low-profile bracket for slim cases; the internal 20-pin header connects to a front-panel USB 3.0 connector.

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