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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

  • TypePCI Express to USB Card
  • External USB Ports2-port USB 3.0
  • SpecificationsBus Type:PCI Express Type Standard:Profile (LP bracket incl.
  • FeaturesAdd two USB 3.0 ports to desktop computer through a PCI Expr
  • Package Contents1 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.

Points forts

  • 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

Caractéristiques

TypePCI Express to USB Card
External USB Ports2-port USB 3.0
SpecificationsBus Type:PCI Express
Type Standard:Profile (LP bracket incl.)
Chipset:NEC uPD720202
Interface: USB 3.0 Port
Type and Rate :USB 3.0 - 5 Gbit/s
Connector Type(s) 1 - PCI Express x1 Male
External Ports 2 - USB Type-A (9 pin) USB 3.0 Female
Internal Ports 1 - Molex 4 pin Plug
FeaturesAdd two USB 3.0 ports to desktop computer through a PCI Express slot
Chipset: NEC uPD720202
Maximum transfer rate of up to 5Gbps, up to 10 times of USB 2.0,Backward compatible with USB2.0, USB1.1, USB1.0
Power by PCIe slot, but still built-in power-enhanced Molex 4 pin LP4 male Interface
Support USB hot-plug function
Comply with PCI-Express Specification Version 2.0;
Comply with USB3.0 SuperSpeed specification version 1.0;
Comply with xHCI specification version 1.0
Supports Windows XP / 2003 / Vista / win7 / win8 / 2003 / MAC10.8 above systems
Package Contents1 x PCI Express USB 3.0card
1 x Driver CD

Questions sur cet article

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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