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Green circuit board with silver PCIe bracket, one USB-C and two USB-A ports, SATA power connector

EN-Labs

EN-Labs PCIEU3A2CS USB 3.1 Gen 1 Type-C + 2 Type-A PCIe expansion card, SATA power

SKU CH-8TPB-Z9JYJ

Adds one USB-C and two USB-A ports at 5 Gbit/s through a PCIe slot using a VIA VL805 chipset with SATA power

  • Key featuresAdd 3 USB 3.0 ports(1 x USB Type-C+2 x Type A + 20 Pin Inter
  • Add three USB 3.1 Gen 1 ports via a single PCI Express x1 slot
  • USB Type-C and two Type-A connectors reach 5 Gbit/s transfer rates
  • VIA VL805 chipset handles SuperSpeed USB 3.1 Gen 1 and legacy USB 2.0/1.1
  • SATA 15-pin power connector supplies stable current for connected devices
  • Full-profile bracket fits standard desktop cases and supports x1, x4, x8, x16 slots

PCIe USB 3.1 Gen 1 expansion card

The EN-Labs PCIEU3A2CS adds one USB Type-C and two USB Type-A ports to a desktop through a PCI Express x1 slot. It uses the VIA VL805 chipset and supports the USB 3.1 Gen 1 standard at up to 5Gbps. The card is backward compatible with USB 2.0 and USB 1.1 devices.

Build integration: slot and power

The card fits PCIe x1, x4, x8 or x16 slots and includes a full-profile bracket for standard cases. It draws auxiliary power from a SATA 15-pin connector, so a free SATA power lead from the PSU is required. A 20-pin internal header is also present on the board.

Thermals, noise and power draw

The controller runs without a dedicated fan, relying on case airflow for passive cooling. Power consumption is limited to what the SATA connector supplies, adding minimal load to the PSU. Silent operation is maintained because there are no moving parts on the card.

How it compares

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

Price $17.99
Cheaper than about 75% of the 891 comparable items (median $30.99).

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Specifications

Product
Brand nameEn-Labs
Model namePCIEU3A2CS

Questions about this item

Does the VIA VL805 chipset cap sustained transfers at the 5 Gbit/s Gen 1 ceiling?

Yes, the VL805 controller is rated for USB 3.1 Gen 1 at 5 Gbit/s, so sustained throughput cannot exceed that limit.

Will the card draw enough power through the SATA 15-pin connector to keep all three ports running cool under all-day load?

The SATA 15-pin feed supplies the extra current the VL805 needs, keeping port power stable and heat low during continuous use.

Must the motherboard have a free PCI Express x1 slot and a spare SATA power lead for this card to work?

Yes, it installs in any PCIe x1, x4, x8 or x16 slot and requires one SATA 15-pin power connector from the PSU.

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