here!

I’m your shopping assistant for PC builds, upgrades, and everything tech.

Got questions? Ask away!

Start a conversation

Help

Hey!

How can we help you today?

Track a package

Start a return

Cancel an order

Resolve a payment issueBilling, declined cards, and payment method update

My Account & SecurityUpdate passwords and security settings

Need more help?

Visit Help Center

Guest account

Build Tools & Resources

$26^.45

Free 30-day Returns

Limit 99999 per customer.

Ships from China.

Sold by ‌ConnectFlow USA

Shipped by ‌ConnectFlow USA

Price alert

Add to Wish List

Meet Your Seller

‌ConnectFlow USA

See Seller Store

Main image of AJMRTC MCA522 Mini PCI-E to Dual-Port USB 2.0 Expansion Card, 480Mbps Hi-Speed USB Converter, Plug and Play for Industrial Motherboard, Notebook, Embedded PC, Compatible with Win7 Win8 Win10 Win11

Alt view image 2 of 5 - AJMRTC MCA522 Mini PCI-E to Dual-Port USB 2.0 Expansion Card, 480Mbps Hi-Speed USB Converter, Plug and Play for Industrial Motherboard, Notebook, Embedded PC, Compatible with Win7 Win8 Win10 Win11

Alt view image 3 of 5 - AJMRTC MCA522 Mini PCI-E to Dual-Port USB 2.0 Expansion Card, 480Mbps Hi-Speed USB Converter, Plug and Play for Industrial Motherboard, Notebook, Embedded PC, Compatible with Win7 Win8 Win10 Win11

Alt view image 4 of 5 - AJMRTC MCA522 Mini PCI-E to Dual-Port USB 2.0 Expansion Card, 480Mbps Hi-Speed USB Converter, Plug and Play for Industrial Motherboard, Notebook, Embedded PC, Compatible with Win7 Win8 Win10 Win11

Alt view image 5 of 5 - AJMRTC MCA522 Mini PCI-E to Dual-Port USB 2.0 Expansion Card, 480Mbps Hi-Speed USB Converter, Plug and Play for Industrial Motherboard, Notebook, Embedded PC, Compatible with Win7 Win8 Win10 Win11

Shop All AJMRTC Products | Visit ‌ConnectFlow USA Store

AJMRTC MCA522 Mini PCI-E to Dual-Port USB 2.0 Expansion Card, 480Mbps Hi-Speed USB Converter, Plug and Play for Industrial Motherboard, Notebook, Embedded PC, Compatible with Win7 Win8 Win10 Win11

Be the first to review this product...

- Expands 2 independent USB2.0 ports via Mini PCI-E slot, max 480Mbps high-speed transfer
- Supports hot-swap function, compatible with USB2.0, USB1.1 peripherals
- Works with both full-size and half-size Mini PCI-E slots for embedded and laptop mainboards
- No extra power supply required, stable bus power output for USB flash drives, adapters and sensors
- Broad Windows OS support: Win7, Win8, Win10, Win11 32/64 bit

Overview

Specs

Reviews

Any questions? Ask Celeste^SM will help you find out quickly.

Try me now

AJMRTC MCA522 Mini PCI-E USB 2.0 expansion card adds two extra USB 2.0 ports for embedded industrial PCs, mini host and notebook motherboards with spare Mini PCI-E slot. It adopts reliable USB controller chip, supports plug and play and hot swap. Compact PCB design fits limited internal space of industrial equipment. Great for USB sensors, Wi-Fi adapters, Bluetooth modules, flash disks and card readers.

Specifications

Brand: AJMRTC
Model: MCA522
Host Interface: Mini PCI-E
Output: 2 x USB 2.0 ports
Max Speed: 480Mbps
Backward: USB1.1 / 1.5Mbps,12Mbps
Installation: Full / Half size Mini PCI-E slot compatible
Power: Bus-powered, no external power needed
Supported OS: Windows 7 / 8 / 10 / 11 (32 & 64 bit)
Application: Industrial embedded PC, Mini Host, Laptop, Automation Equipment
Package: 1 x MCA522 Mini PCI-E Dual USB2.0 Expansion Card

Additional Information
First Listed on Newegg	October 29, 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: non-replaceable
This item is covered by ‌ConnectFlow USA Return Policy

Manufacturer Contact Info

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

Item#: 9SIC9FFM9H7287