SFP RJ45 Copper Module 10/100/1000BASE-T - Gigabit SFP

In this review of the SFP RJ45 Copper Module readers will find whether this compact Gigabit mini-GBIC is worth adding to a network toolkit. The bottom line: it is a practical, low-friction way to add 10/100/1000BASE-T copper ports to switches or servers with SFP slots, and the single biggest reason to buy is its straightforward compatibility and plug-and-play use that lets administrators extend copper links up to 100m without changing existing cabling.

Key Features

• Gigabit Auto-Negotiation: Supports 10/100/1000M auto-negotiation so connected devices can establish the highest common Ethernet speed automatically.
• MSA-Compliant Form Factor: The mini-GBIC follows MSA standards, making it broadly compatible with a variety of switches and NICs from multiple vendors.
• RJ45 Copper Interface: Uses Category 5e copper cable and a standard RJ45 connector to work over existing infrastructure up to 100m.
• Hot-Pluggable Design: Fully hot-pluggable with a simple ring latch release for quick swaps without powering down equipment.
• Factory Tested: Each module is tested on switches before shipping, offering reassurance about out-of-box interoperability.
• After-Sales Support: Comes with 30-day returns, a 3-year warranty and lifetime technology support for peace of mind.

Who It's For

This module is best for network administrators and small IT teams who need to convert an SFP port into a standard Ethernet port without replacing switches. It is a good fit for deployments where existing Category 5e cabling is available and simplicity, interoperability and hot-swap capability matter.

It is less suitable for environments that require fiber connectivity, multi-gigabit Ethernet over copper beyond 1G, or vendor-locked proprietary transceivers with special firmware checks; those users should verify firmware compatibility or choose native copper ports instead.

Pros & Cons

Pros

• Broad vendor compatibility when used with standard MSA SFP ports on switches and servers.
• Reliable plug-and-play operation and hot-pluggable convenience for maintenance windows.
• Cost-effective way to reuse Cat5e cabling and extend copper runs to 100m at Gigabit speeds.
• Backed by factory testing and a multi-year warranty for added confidence.

Cons

• Limited to 1.25G SFP and 1G copper speeds, so it will not support multi-gigabit copper standards beyond 1G.

Specifications

Form Factor	SFP (mini-GBIC)
Data Rates	10/100/1000BASE-T (auto-negotiation)
Connector	RJ45 for Category 5e copper
Maximum Reach	100 m over Cat5e
Compatibility	Works with Cisco, Ubiquiti, MikroTik, Supermicro, D-Link, Netgear and other MSA-compliant switches
Hot Pluggable	Yes
Warranty	30-day return, 3-year warranty

Our Verdict

For administrators who need a simple, proven way to add Gigabit copper ports to SFP-equipped switches, this SFP RJ45 module is a solid value: it is MSA-compliant, factory-tested and easy to install. Avoid it only if you require fiber links or speeds above 1G; otherwise it provides dependable performance and sensible warranty coverage for routine network expansion and breakout tasks.

Frequently Asked Questions

Will this work with my switch?
It is designed to be MSA-compliant and compatible with many vendors such as Cisco, Ubiquiti, MikroTik and Supermicro, but check your switch documentation for third-party SFP support and contact support if unsure.

How far can I run copper with this module?
When used with Category 5e cable the module supports copper runs up to 100 m at Gigabit speeds.

Can I hot-swap it while the switch is powered?
Yes, the module is fully hot-pluggable; rotate the ring latch down at 90 degree angle to unlock, then pull the transceiver out.