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Main image of AJMRTC PCI-E to USB 3.0 Expansion Card Adapter, 2 Port USB3.0 PCIe Riser Card with 3.5 Inch Power Connector, Internal PCI Express USB Controller Card for Desktop PC, Computer Motherboard Expansion

Alt view image 2 of 6 - AJMRTC PCI-E to USB 3.0 Expansion Card Adapter, 2 Port USB3.0 PCIe Riser Card with 3.5 Inch Power Connector, Internal PCI Express USB Controller Card for Desktop PC, Computer Motherboard Expansion

Alt view image 3 of 6 - AJMRTC PCI-E to USB 3.0 Expansion Card Adapter, 2 Port USB3.0 PCIe Riser Card with 3.5 Inch Power Connector, Internal PCI Express USB Controller Card for Desktop PC, Computer Motherboard Expansion

Alt view image 4 of 6 - AJMRTC PCI-E to USB 3.0 Expansion Card Adapter, 2 Port USB3.0 PCIe Riser Card with 3.5 Inch Power Connector, Internal PCI Express USB Controller Card for Desktop PC, Computer Motherboard Expansion

Alt view image 5 of 6 - AJMRTC PCI-E to USB 3.0 Expansion Card Adapter, 2 Port USB3.0 PCIe Riser Card with 3.5 Inch Power Connector, Internal PCI Express USB Controller Card for Desktop PC, Computer Motherboard Expansion

Alt view image 6 of 6 - AJMRTC PCI-E to USB 3.0 Expansion Card Adapter, 2 Port USB3.0 PCIe Riser Card with 3.5 Inch Power Connector, Internal PCI Express USB Controller Card for Desktop PC, Computer Motherboard Expansion

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AJMRTC PCI-E to USB 3.0 Expansion Card Adapter, 2 Port USB3.0 PCIe Riser Card with 3.5 Inch Power Connector, Internal PCI Express USB Controller Card for Desktop PC, Computer Motherboard Expansion

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- PCI Express expansion card adds 2 high-speed USB 3.0 ports to desktop motherboards
- Equipped with 3.5 inch power connector for stable power supply to USB peripherals
- USB 3.0 speed up to 5Gbps, fast transfer for external SSD, flash drive and USB devices
- Standard PCI-E x1 interface, compatible with PCIe x1, x4, x8, x16 motherboard slots
- Easy installation, driver support for Windows systems, ideal for desktop USB port expansion

Overview

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AJMRTC PCI-E USB 3.0 expansion card turns one PCIe slot into two USB 3.0 ports for your desktop computer. It comes with a 3.5-inch power connector to provide sufficient power for power-hungry USB devices. It supports up to 5Gbps transmission speed and fits standard PCIe x1, x4, x8, x16 slots. This controller card is a practical upgrade to expand USB connectivity on older or low-port motherboards.

Specifications:

Brand: AJMRTC
Interface: PCI-E x1
Output Ports: 2 x USB 3.0
Transfer Speed: Up to 5Gbps
Power Input: 3.5 Inch Power Connector
Compatible Slot: PCIe x1 / x4 / x8 / x16
Supported System: Windows
Application: Desktop Motherboard USB Expansion

Additional Information
First Listed on Newegg	October 21, 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.
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Return Policies

Return for refund within: 30 days
Return for replacement within: non-replaceable
This item is covered by ‌ConnectFlow USA Return Policy

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Item#: 9SIC9FFM949708