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A green PCIe card with two rear USB ports and a silver 3.5-inch front panel connected by a black ribbon cable

EN-Labs

EN-Labs PCIEU32S20KIT USB 3.0 expansion card with 3.5" front panel

SKU CH-3W11-MR5CC

Adds four USB 3.0 ports — two rear Type-A and two front-panel via 20-pin header — through a PCIe 2.0 x1 slot at up to 5.0 Gbps

  • TypeController Card
  • External USB Ports2 Ext / 2 Int
  • Internal USB Ports2x USB Ports
  • External 1394 PortsN/A
  • Internal 1394 PortsN/A
  • External Ports2 port USB 3.0

Model 2x Type A – Ext

  • Add four USB 3.0 ports via one PCIe slot
  • Transfer data at up to 5.0 Gbps with NEC UPD720201 chipset
  • Works in PCIe x1, x4, x8 or x16 slots
  • Includes 3.5 inch front panel with two internal USB 3.0 ports
  • Built-in SATA power connector for power-hungry devices

Four-port USB 3.0 kit with 3.5" front panel

This EN-Labs PCIe expansion kit adds four USB 3.0 ports to a desktop PC using a single PCI Express slot. Two Type-A ports sit on the card bracket while two more reach a 3.5-inch front-panel module via a 20-pin internal header. The NEC UPD720201 controller delivers up to 5.0 Gbps transfer rates and is backward compatible with USB 2.0 and 1.1 devices.

Check slot and header before ordering

Verify that your motherboard has a free PCIe x1, x4, x8 or x16 slot and a spare USB 3.0 20-pin internal header for the front-panel cable. The card draws power from the PCIe slot and includes a 15-pin SATA power connector for extra current, so confirm your power supply has an available SATA lead. Supported operating systems include Windows XP, 2003, Vista, 7, 8, 10 and Linux.

Full-profile bracket and 3.5-inch drive-bay panel

The card uses a full-profile PCI slot cover and fits standard chassis dimensions. A 20-pin to dual Type-A splitter cable connects the internal header to the included 3.5-inch front panel, which mounts in a floppy drive bay. The SATA 15-pin power input supplements slot power for demanding peripherals, while the x1 PCIe 2.0 host interface provides sufficient bus bandwidth for the four ports.

Highlights

  • Add four USB 3.0 ports via one PCIe slot
  • Transfer data at up to 5.0 Gbps with NEC UPD720201 chipset
  • Works in PCIe x1, x4, x8 or x16 slots
  • Includes 3.5 inch front panel with two internal USB 3.0 ports
  • Built-in SATA power connector for power-hungry devices

Specifications

BrandEN-Labs
ModelPCIEU32S20KIT
TypeController Card
External USB Ports2 Ext / 2 Int
Internal USB Ports2x USB Ports
External 1394 PortsN/A
Internal 1394 PortsN/A
External Ports2 port USB 3.0
Internal PortsUSB 3.0 20Pin Header
StandardUSB 3.0
Data Transfer RateUp to 5.0 Gbps
Operating Systems SupportedSupport Windows XP / 2003 / Win7 / Win8 / Win10/ Vista / Linux
SpecificationsAdd 4 USB 3.0 ports(2 x Type A + 20 Pin Internal to floppy bay front panel) through a PCI Express slot Compatible with PCI-Express 2.0 standard Compatible with Super Speed USB 3.0 5Gbps standard, backwards to USB 2.0 and USB 1.1 Compatible with XHCI specification 1.0 Chip set : NEC UPD720201 Maximum transfer speed : 5Gbps Power by PCIe slot, no extra power adapter is needed, but still built-in power-enhanced SATA 15pin male Interface Supports PCIe 1x, 4x, 8x, 16x Slot Support Windows XP / 2003 / Win7 / Win8 / Vista / Linux 3.5 inch Front panel equip 2FT USB 20pin to 2 port USB-A fema
FeaturesInstantly add four USB 3.0 ports (two external ports, and two via 20-pin header to 3.5 inch front panel) to your desktop via an available PCIe slot. And thus you can enjoy the blazing fast speed of the latest USB peripherals at transfer rate of up to 5 Gbps. The card's PCIe 2.0 x1 host interface offers up to 5 Gbps bus bandwidth to match USB 3.0 standard. In addition to drawing power from PCIe slot, this card also has a built-in 15-pin SATA power connector for enhanced power supply to handle power-hungry devices.
Package ContentsPCIe Card, CD driver, 3.5" Front Panel

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Questions about this item

What comes in the EN-Labs PCIEU32S20KIT box and do I need any extra cables or brackets?

The kit includes the PCIe card, a driver CD, and a 3.5-inch front panel with a 20-pin to dual USB-A splitter cable. The card fits a standard full-profile slot and draws power from the PCIe bus; a SATA power connector is also present for high-draw devices.

How do I decide between the external and internal USB 3.0 ports on this card?

The card provides two external Type-A ports on the bracket and a 20-pin internal header that connects to the supplied 3.5-inch front panel for two more Type-A ports. Use the external ports for permanent peripherals and the front panel for convenient front-access drives or flash sticks.

What does the 5.0 Gbps rating mean once the card is installed in my PC?

Each USB 3.0 port can signal at up to 5.0 Gbps, matching the SuperSpeed USB 3.0 standard. The PCIe 2.0 x1 host link also tops out at 5.0 Gbps, so total bandwidth is shared across all four ports; real-world throughput will be lower due to protocol overhead and system load.

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