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Green circuit board with four red USB-C ports and a metal bracket

STARTECH

STARTECH P10Q4C-USB-CARD-LP 4-port USB Type-C 10Gbps expansion card

SKU CH-2AK9-S3NSC MPN P10Q4C-USB-CARD-LP

Adds four independent USB-C ports at 10Gbps each via PCIe 3.0 x4 with SATA auxiliary power and low-profile bracket included

  • External connectorsRed
  • Supported standardsRed
  • Compatible withPersonal Computer
  • Product dimensions5.5 in × 2.2 in × 3.1 in
  • Product weight0.22 lb (0.1 kg)
  • In the boxUSB Adapter 1 x Standard-Profile Bracket 1 x Quick-Start Gui
  • Four independent controllers deliver up to 10Gbps per USB-C port
  • Up to 15W power per port charges devices with optional SATA auxiliary connector
  • Plug-and-play support across Windows, macOS and Linux without extra drivers
  • Fits x4, x8 or x16 PCIe 3.0 slots with included low-profile and standard brackets
  • Compact 5.5 x 2.2 x 3.1 in card weighs only 0.22 lb

Four independent USB-C controllers

This PCIe 3.0 expansion card adds four external USB Type-C ports, each driven by its own controller so every port can sustain up to 10Gbps without sharing bandwidth. It installs in any x4, x8 or x16 slot and ships with both low-profile and standard brackets. The board delivers up to 15W per port for charging, with an onboard SATA power connector to supplement motherboard supply when needed.

Desktop or server builders needing simultaneous

The card suits users who run multiple 10GbE adapters, high-resolution capture devices or fast external storage arrays at the same time. Builders who only need a single extra USB-C port or who lack a free PCIe x4-or-larger slot will not benefit from the four-controller design.

Four separate USB controllers

Each port operates on its own controller, guaranteeing dedicated 10Gbps throughput per connection rather than a shared pool. This architecture is the deciding factor when workloads demand concurrent maximum-speed transfers across all four ports.

How it compares

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

Price $204.99
Pricier than about 90% of the 891 comparable items (median $30.99).

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Specifications

Product
Brand nameStarTech
Model nameP10Q4C-USB-CARD-LP
Part numberP10Q4C-USB-CARD-LP
Connectivity
Supported standardsRed
Ports & slots
External connectorsRed
Size & build
Product dimensions5.5 in × 2.2 in × 3.1 in
Product weight0.22 lb (0.1 kg)
Shipping weight0.91 kg
Package size173 × 142 × 33 mm
Compatibility
Compatible withPersonal Computer
In the box
In the boxUSB Adapter
1 x Standard-Profile Bracket
1 x Quick-Start Guide

Questions about this item

My desktop only has a PCIe x16 slot free — will this card fit and run at full speed?

The card works in PCIe 3.0 x4, x8 or x16 slots, so an open x16 slot will accept it and provide the required four lanes for full 10Gbps per port.

I still use several USB 2.0 and 3.0 devices — will they work alongside the new Type-C ports?

The card supports 10Gbps, 5Gbps, 480Mbps, 12Mbps and 1.1Mbps speeds, so legacy USB 2.0 and 3.0 devices connect and operate at their native rates.

After installing the card, how can I confirm each port is actually delivering 10Gbps?

Connect a 10Gbps-capable device, then check the OS device manager or system profiler to verify the link speed shows 10Gbps for that port.

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