10G RJ-45 Copper SFP+ Module - Convert SFP+ Slot to MultiGig Port

Our review of the TRENDnet 10G RJ-45 Copper SFP+ Module finds it is a practical, costconscious addon for network administrators who need to repurpose unused SFP+ slots for copper connectivity. The module's single biggest advantage is straightforward: it converts a standard SFP+ slot into a multigig RJ45 port that supports up to 10Gbps, letting teams extend copper links without replacing switches. Installation is hotpluggable and MSA compliant, so it fits into many existing SFP+ slots and delivers reliable multigigabit performance for short to medium copper runs.

Key Features

• 10Gbps Data Rate: Supports up to 10Gbps for highbandwidth links, enabling fast uplinks and server connections without fiber transceivers.
• MultiGig Backwards Compatibility: Works with IEEE 802.3bz for 2.5G and 5G speeds, useful on mixed networks that need flexible link rates.
• Distance over Copper: Reaches 30m (98ft) at 10Gbps with Cat 6a/7 and extends to 50m (164ft) for 2.5G/5G on Cat 5e, providing clear deployment limits for cabling choices.
• MSA and IEEE Compliance: MSAcompliant SFP+ form factor and IEEE 802.3 standards compliance simplify compatibility with many switches and converters.
• Lifetime Protection: Includes TRENDnet lifetime manufacturer protection in the U.S. and Canada, offering longterm peace of mind for institutional installs.
• Low Power and DDM: Low power consumption with Digital Diagnostics Monitoring support helps track link health without large energy draw.

Who It's For

This module suits IT professionals and small to midsize data centers that want to reuse available SFP+ ports for copper runs to servers, access points, or networked storage. It is also a good fit for network upgrades where mixed multigig speeds are required without buying additional copper switches.

It is less suitable for longdistance fiber links or environments that need passive cooling at all times, since customers report the module runs noticeably hotter than 1Gb copper transceivers. Those needing longer runs or coolerrunning optics should consider fiber SFP+ or dedicated copper ports on switches.

Pros & Cons

Pros

• Enables 10Gbps copper connectivity from an unused SFP+ slot, reducing hardware replacement costs.
• Backwards compatible with 2.5G and 5G rates for flexible network speed negotiation.
• MSA compliant and IEEE standards compatible, easing interoperability.
• Lifetime manufacturer protection in U.S. and Canada provides extended assurance.

Cons

• Reported to run hotter than 1Gb SFP modules, which may affect thermal planning in dense racks.
• 10Gb distance limited to short copper runs (30m at full speed), so not suitable for longer campus spans.

Specifications

Device Interface	Small FormFactor Pluggable (SFP+), MSA compliant
Copper Interface	Shielded RJ45 multigigabit
Supported Speeds	10Gbps; backwards compatible 5Gbps, 2.5Gbps, 1Gbps
Maximum Distance	10Gbps up to 30m (98ft) on Cat 6a/7; 2.5G/5G up to 50m (164ft) on Cat 5e; 1Gbps up to 100m (328ft)
HotPluggable	Yes, compatible with MSA compliant SFP+ slots
Additional Features	Digital Diagnostics Monitoring (DDM), low EMI, low power consumption
Protection	TRENDnet Lifetime Manufacturer Protection (U.S. & Canada)

Our Verdict

The TRENDnet 10G RJ45 Copper SFP+ Module is a pragmatic, costeffective way to add multigig copper ports where SFP+ slots exist. It is especially good for short copper runs and mixedspeed networks, and the lifetime protection adds value for longterm deployments. Network teams should factor in the module's thermal and distance limits when planning dense racks or longer links.

Frequently Asked Questions

Will this module work in my switch's SFP+ slot?
Yes, it is MSA compliant and designed to work with standard SFP+ slots, though compatibility with specific switch vendors should be confirmed.

How far can I run 10Gb over copper with this module?
At 10Gb it supports up to 30m (98ft) on Cat 6a or Cat 7 cabling; lower speeds extend further as specified.

Is the module covered by a warranty?
Yes, TRENDnet provides lifetime manufacturer protection for customers in the U.S. and Canada.