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Main image of AJMRTC 4-Port USB3.0 Internal Panel Mount Cable, 5Gbps USB-A Female to 20Pin Motherboard Header Baffle Cord with PCI Bracket 50cm, Desktop PC Rear Chassis USB Expansion Adapter for DIY Computer Build

Alt view image 2 of 7 - AJMRTC 4-Port USB3.0 Internal Panel Mount Cable, 5Gbps USB-A Female to 20Pin Motherboard Header Baffle Cord with PCI Bracket 50cm, Desktop PC Rear Chassis USB Expansion Adapter for DIY Computer Build

Alt view image 3 of 7 - AJMRTC 4-Port USB3.0 Internal Panel Mount Cable, 5Gbps USB-A Female to 20Pin Motherboard Header Baffle Cord with PCI Bracket 50cm, Desktop PC Rear Chassis USB Expansion Adapter for DIY Computer Build

Alt view image 4 of 7 - AJMRTC 4-Port USB3.0 Internal Panel Mount Cable, 5Gbps USB-A Female to 20Pin Motherboard Header Baffle Cord with PCI Bracket 50cm, Desktop PC Rear Chassis USB Expansion Adapter for DIY Computer Build

Alt view image 5 of 7 - AJMRTC 4-Port USB3.0 Internal Panel Mount Cable, 5Gbps USB-A Female to 20Pin Motherboard Header Baffle Cord with PCI Bracket 50cm, Desktop PC Rear Chassis USB Expansion Adapter for DIY Computer Build

Alt view image 6 of 7 - AJMRTC 4-Port USB3.0 Internal Panel Mount Cable, 5Gbps USB-A Female to 20Pin Motherboard Header Baffle Cord with PCI Bracket 50cm, Desktop PC Rear Chassis USB Expansion Adapter for DIY Computer Build

Alt view image 7 of 7 - AJMRTC 4-Port USB3.0 Internal Panel Mount Cable, 5Gbps USB-A Female to 20Pin Motherboard Header Baffle Cord with PCI Bracket 50cm, Desktop PC Rear Chassis USB Expansion Adapter for DIY Computer Build

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AJMRTC 4-Port USB3.0 Internal Panel Mount Cable, 5Gbps USB-A Female to 20Pin Motherboard Header Baffle Cord with PCI Bracket 50cm, Desktop PC Rear Chassis USB Expansion Adapter for DIY Computer Build

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1. 4×USB3.0 Type-A female ports, connects to motherboard 20Pin USB3.0 internal header for rear chassis port expansion
2. 5Gbps USB3.0 Gen1 high speed, stable transmission for SSD enclosures, flash drives and USB peripherals
3. Standard PCI metal bracket, fits empty PCI slot, easy screw installation without drilling extra holes
4. 50cm long flexible cable, convenient internal routing for ATX, mATX and ITX desktop cases
5. Molded strain relief reinforces connectors, anti-bending and durable for long-term PC workstation use

Overview

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AJMRTC internal 4-port USB3.0 baffle cable expands your desktop PC rear USB ports via vacant PCI slot. It features four USB3.0 female ports on metal panel and wires to motherboard 20Pin USB3.0 header. Supporting 5Gbps Gen1 bandwidth, it handles fast data transfer for portable SSDs, USB flash drives and other accessories. The 50cm cable provides enough length for neat cable management inside different chassis. Overmolded strain relief protects connectors against bending damage. Plug and play with no driver required, perfect for DIY builders upgrading motherboard USB connectivity.

Specifications

Brand: AJMRTC
Ports: 4 × USB3.0 Type-A Female
Motherboard Header: USB3.0 20Pin
Transfer Speed: 5Gbps (USB3.0 Gen1)
Bracket: Standard PCI metal baffle
Cable Length: 50cm
Installation: Rear PCI slot mounting
Operation: Plug & Play, driverless
Compatible Chassis: ATX, mATX, ITX Desktop PC
Application: PC DIY, desktop USB port expansion

Additional Information
First Listed on Newegg	October 17, 2026

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

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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#: 9SIC9FFM8X7994