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Green PCIe x1 card with two blue USB 3.0 Type-A ports and a Molex power connector

EN-Labs

EN-Labs PCIe to 2-port USB 3.0 expansion card NEC uPD720202 Molex

SKU CH-KNRR-RC0PD

Adds two USB 3.0 Type-A ports via a PCI Express x1 slot using a NEC uPD720202 chipset with Molex power

  • External USB ports2-port USB 3.0
  • Product typePCI Express to USB Card
  • DetailsBus Type:PCI Express Type Standard:Profile (LP bracket incl.
  • Key featuresAdd two USB 3.0 ports to desktop computer through a PCI Expr
  • In the box1 x PCI Express USB 3.0card 1 x Driver CD
  • Adds two USB 3.0 ports via PCIe x1 slot
  • NEC uPD720202 chipset delivers 5 Gbps transfer speeds
  • Molex 4-pin power connector supplements slot power for stable operation
  • Full-profile bracket included with low-profile option in box
  • Backward compatible with USB 2.0, 1.1 and 1.0 devices

PCIe x1 card adds two USB 3.0 ports

This EN-Labs expansion card fits any desktop PCI Express x1, x4, x8 or x16 slot and provides two external USB 3.0 Type-A ports driven by the NEC uPD720202 controller. A low-profile bracket is included for small-form-factor cases. The card draws auxiliary power from a Molex 4-pin connector to ensure stable operation under load. A driver CD supports Windows XP through Windows 8 and macOS 10.8 and later.

Builders adding front-panel or rear USB 3.0

Ideal for system integrators and enthusiasts who need extra SuperSpeed ports on a motherboard that lacks them, especially when the board has a free PCIe slot but no internal USB 3.0 header. Not suited for users who require internal USB 3.0 headers for case front-panel connectors, nor for builds without a spare Molex power lead from the PSU. The x1 edge connector works in larger slots, so slot width is rarely a constraint.

NEC uPD720202 controller delivers 5 Gbps per port

The single decisive specification is the NEC uPD720202 chipset, which implements the USB 3.0 SuperSpeed specification at 5 Gbit/s and is backward compatible with USB 2.0, 1.1 and 1.0. It complies with PCI Express 2.0 and xHCI 1.0, so each port can sustain the full 5 Gbps rate when connected to a compatible device. If your workload demands higher throughput or a different controller feature set, this card will not meet that need.

How it compares

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

Price $12.99
Cheaper than about 88% of the 891 comparable items (median $30.99).

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Specifications

Product
Product typePCI Express to USB Card
Ports & slots
External USB ports2-port USB 3.0
In the box
In the box1 x PCI Express USB 3.0card
1 x Driver CD

Questions about this item

Does the NEC uPD720202 chipset need a firmware update later?

The card uses the NEC uPD720202 chipset with no firmware updates mentioned; driver support is provided via the included CD for Windows XP through Windows 8 and MAC 10.8 above.

Will the PCIe 2.0 x1 link or the USB 3.0 5 Gbit/s interface saturate first during sustained transfers?

The PCI Express 2.0 x1 link caps throughput at roughly 5 Gbit/s, matching the USB 3.0 5 Gbit/s spec, so both limits appear together under heavy load.

Does the Molex 4-pin power connector make the card run hotter or noisier all day?

The Molex 4-pin connector only supplies extra power for connected USB devices; the card itself has no fan or active cooling, so it adds no audible noise and minimal heat.

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