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STARTECH.COM

STARTECH.COM P5Q4A-USB-CARD

4-Port USB PCIe Card, USB 3.2 5Gbps, PCI Express Expansion Card with 4x

MPNP5Q4A-USB-CARDServers & partsUpdated

Key facts

Part number
P5Q4A-USB-CARD
Brand
STARTECH.COM
Category
Servers & parts
Price
AUD 255.19≈ USD 178 RRP
Availability
On request — ask for a quote

The STARTECH.COM P5Q4A-USB-CARD is a server & part listed in the Prology Parts Index. RRP AUD 255.19≈ USD 178 (Oct 2026). Request a quote for volume pricing, or sell us your used servers & parts.

Overview

Upgrade or expand the USB connectivity of a desktop computer or server by adding four independent USB Type-A 5Gbps ports over a single PCI Express 2.0 x4 connection.

Dedicated USB 5Gbps Per Port

When multiple devices are connected, traditional single-bus USB 3.2 Gen 1 cards share the maximum bandwidth across all ports. By employing four host controller chipsets, each port operates on its own independent channel, providing up to 5Gbps to each USB port, reducing performance bottlenecks and effectively quadrupling the total available bandwidth to 20Gbps.

Charge USB Devices

This USB PCIe expansion card can receive supplemental power through SATA or LP4 connectors. It supports the Battery Charging 1.2 (5V 1.5A) specification and provides up to 5V 2A (10W) on the USB Type-A ports when the bus power from the motherboard is insufficient.

Compatibility

The PCI Express USB card drivers auto-install in most major operating systems, including Windows 8 and later, macOS, and Linux. The expansion card supports hardware platforms such as Intel, AMD, and Apple Silicon and fits in PCI Express x4, x8, and x16 slots. Horizontal USB ports enhance compatibility with different computer cases, reduce the risk of port clearance issues, and accommodate a wider range of USB devices and cables.

  • HIGH-PERFORMANCE USB CARD: Upgrade or expand a desktop or server's USB connectivity by adding four USB Type-A ports, each with a dedicated controller capable of up to 5Gbps, via a single PCI Express 2.0 x4 connection
  • 4X INDEPENDENT USB CONTROLLERS: Dedicated USB controllers per port enhance data throughput and ensure each device has up to 5Gbps bandwidth available; Ideal for simultaneously transferring large files or editing photos/videos on external storage devices
  • HORIZONTAL USB PORTS: Enhance compatibility with different computer cases, reducing the risk of port clearance issues, and accommodating a wider range USB devices and cables
  • OPTIONAL POWER: USB PCIe Expansion Card with SATA/LP4 power connectors provides additional power to the USB ports (when motherboard power is insufficient), supporting the Battery Charging 1.2 (5V 1.5A) specification & providing up to 5V 2A (10W) per port
  • COMPATIBILITY: Drivers auto-install in most major operating systems including Windows 8 & up, macOS, and Linux; Works with all hardware platforms, including Intel, AMD, and Apple Silicon, that have a PCI Express 2.0 (or higher) x4, x8, or x16 slot

Specifications

General

UASP Support
Yes
Host Interface
PCI Express x4
Total Number of USB Ports
4
Number of SATA Ports
1
USB Connector Type
Type-A
USB Version
3.2 Gen 1
Application/Usage
Desktop

Server

Package Contents
USB Adapter 1 x Quick-Start Guide
Platform Supported
PC
Environmental Compliance
Waste Electrical and Electronic Equipment Directive (WEEE)
Product Type
USB Adapter

Manufacturer Website Address

Product Name
USB Adapter
Weight (Approximate)
99.2 g
Length
167.6 mm
Height
17.8 mm
Width
119.4 mm
Product Color
Black
Color Family
Black

Price history

Latest
AUD 255.19≈ USD 178
Oct 2026
Lowest recorded
AUD 255.19≈ USD 178
Highest recorded
AUD 255.19≈ USD 178
Recorded
2026
1 price point

AUD 255.19 rrp, recorded

Why buy from Prology

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  • Warranty includedParts are covered by a Prology warranty – ask us for the terms.
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