$43^.90

Free 30-day Returns

Limit 99999 per customer.

Ships from China.

Sold by ThermalNest

Shipped by ThermalNest

Price alert

Add to Wish List

Meet Your Seller

ThermalNest

See Seller Store

Main image of AJMRTC LowProfile 4Port PCIE to USB3.0 Expansion Card, 5Gbps PCI Express USB Hub Adapter Card, LowProfile Bracket for Slim Small Form Factor Desktop Motherboard Internal USB Port Expansion

Alt view image 2 of 7 - AJMRTC LowProfile 4Port PCIE to USB3.0 Expansion Card, 5Gbps PCI Express USB Hub Adapter Card, LowProfile Bracket for Slim Small Form Factor Desktop Motherboard Internal USB Port Expansion

Alt view image 3 of 7 - AJMRTC LowProfile 4Port PCIE to USB3.0 Expansion Card, 5Gbps PCI Express USB Hub Adapter Card, LowProfile Bracket for Slim Small Form Factor Desktop Motherboard Internal USB Port Expansion

Alt view image 4 of 7 - AJMRTC LowProfile 4Port PCIE to USB3.0 Expansion Card, 5Gbps PCI Express USB Hub Adapter Card, LowProfile Bracket for Slim Small Form Factor Desktop Motherboard Internal USB Port Expansion

Alt view image 5 of 7 - AJMRTC LowProfile 4Port PCIE to USB3.0 Expansion Card, 5Gbps PCI Express USB Hub Adapter Card, LowProfile Bracket for Slim Small Form Factor Desktop Motherboard Internal USB Port Expansion

Alt view image 6 of 7 - AJMRTC LowProfile 4Port PCIE to USB3.0 Expansion Card, 5Gbps PCI Express USB Hub Adapter Card, LowProfile Bracket for Slim Small Form Factor Desktop Motherboard Internal USB Port Expansion

Alt view image 7 of 7 - AJMRTC LowProfile 4Port PCIE to USB3.0 Expansion Card, 5Gbps PCI Express USB Hub Adapter Card, LowProfile Bracket for Slim Small Form Factor Desktop Motherboard Internal USB Port Expansion

Shop All AJMRTC Products | Visit ThermalNest Store

AJMRTC LowProfile 4Port PCIE to USB3.0 Expansion Card, 5Gbps PCI Express USB Hub Adapter Card, LowProfile Bracket for Slim Small Form Factor Desktop Motherboard Internal USB Port Expansion

Be the first to review this product...

Lowprofile PCIE x1 formfactor adds 4 external USB3.0 ports for slimcase and smallformfactor desktop motherboards
Delivers USB3.0 Gen1 up to 5Gbps highspeed bandwidth for flash drives, card readers and various USB peripherals
Backward compatible with USB2.0 and USB1.1 devices for broad compatibility with legacy USB accessories
Comes with lowprofile short bracket for lowheight chassis installation, fits standard PCIE x1 slot
Plugandplay under Windows and Linux, ideal for SFF PC build, USB port expansion and hardwaremod projects

Overview

Specs

Reviews

Any questions? Our AI mode will help you find out quickly.

Try me now

AJMRTC lowprofile PCIE USB3.0 expansion card solves insufficient USBport issues for slimsize desktop PCs. It installs into a spare PCIE x1 slot and outputs four USB3.0 ports with up to 5Gbps transfer speed. Equipped with lowprofile bracket specially designed for smallheight chassis. Backward compatibility works with USB2.0 / USB1.1 peripherals. No complicated configuration required. Great for SFF PC building, officedesktop USBport upgrade and hardwaremodification.

Specifications

Brand: AJMRTC Host Interface: PCIExpress X1 Output Ports: 4 × USB3.0 Ports Transfer Speed: USB3.0 Gen1 up to 5Gbps Bracket: LowProfile Supported OS: Windows, Linux Note: No external power included; highpower USB peripherals may need separate external power adapter for stable operation.

Additional Information
First Listed on Newegg	August 28, 2026

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
CONTACT

Return Policies

Return for refund within: 30 days
Return for replacement within: 30 days
This item is covered by ThermalNest Return Policy

Manufacturer Contact Info

For a directory of all our manufacturers, please click below.
Manufacturers Directory

Item#: 9SIC8JMM5F1604