UGREEN UG-RJ45-25964 RJ45 Coupler, 10Gbps, Shielded

Shielded: UGREEN UG-RJ45-25964 is a female-to-female RJ45 coupler for joining two Ethernet cables. Its listing claims support for up to 10 Gigabits Per Second and Cat 8, Cat 7, Cat 6, Cat 5 and Cat 5e cables, with an aluminium alloy shell and internal shielding.

At a glance

Joins two RJ45 Ethernet cables to extend an existing run without replacing it with one longer cable.
The listing claims up to 10Gbps transmission and compatibility with Cat 8, Cat 7, Cat 6, Cat 5 and Cat 5e cables.
The manufacturer describes an aluminium alloy exterior with internal metal shielding.
The stated transmission distance is up to 100 metres, subject to the applicable cable and network setup.

Price

£5.91Save 15%

Reference price: ~~£6.99~~

Price checked: 12 Nov 2026

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Often bought together

UGREEN Cat 8 Ethernet Cable 20m, 40Gbps Internet Cable (20 Meter Braided) | Flat 2000MHz High-Speed RJ45 LAN Cable, F/FTP POE Network Cable for Xbox/Switch/PS5/WiFi Extender/Router/Modem Patch Panel

£27.94

Pros and cons

Pros

A simple way to connect two short network cables where an existing run is too short.
Supports multiple listed cable categories, from Cat 5e through Cat 8.
Compact listed dimensions may suit installations with limited space.

Technical specifications

9 specifications

Identity
Brand	UGREEN
Model	UG-RJ45-25964

Network and compatibility
Interface	Ethernet
Claimed data transfer rate	10 Gigabits Per Second
Compatible devices	RJ45 cables (Cat 8, Cat 7, 6, 5, 5e)

Construction and dimensions
Colour	Black
Dimensions listed	30L x 24W x 22H millimetres

Pack and support
Packs	1
Warranty	2 year manufacturer

What to know before buying

The listing claims 10Gbps transmission and up to 100 metres, but these are manufacturer claims and depend on the connected cables and network equipment. The stated distance should not be read as a guarantee of a particular speed over that full length. The package is listed as one coupler.

Who is it for?

A good fit for

People extending an existing Ethernet cable run with two compatible RJ45 cables.
Home or office users seeking a compact female-to-female joiner for Cat 5e to Cat 8 cabling.

Less suited to

Buyers who need a complete Ethernet cable rather than a cable joiner.
Installations that require a verified throughput guarantee or confirmed performance over a particular cable length.

UGREEN UG-RJ45-25964 RJ45 Coupler, 10Gbps, Shielded · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.7 / 5 · 3,553 ratings

5 stars82%82%
4 stars14%14%
3 stars3%3%
2 stars0%0%
1 star1%1%

Customer feedback describes the coupler as easy to use and effective for joining short Ethernet cables, with reported satisfaction around connection security, speed and build quality. These experiences fit its intended role as a passive cable joiner, though they do not establish a guaranteed data rate for every cable run. The aggregate rating is strongly positive overall, but ratings alone do not identify performance under specific network conditions.

Positive themes

Customers report secure connections and say it works well for joining two Ethernet cables.
Feedback highlights ease of use and a solid-feeling build.

Frequently asked questions

What does this RJ45 coupler do?

It connects two RJ45 Ethernet cables end to end, allowing an existing cable run to be extended.

Which cable categories are listed as compatible?

The listing names Cat 8, Cat 7, Cat 6, Cat 5 and Cat 5e RJ45 cables.

Does it guarantee 10Gbps over 100 metres?

No. The listing claims a transfer rate of up to 10 Gigabits Per Second and transmission distances up to 100 metres, but actual performance depends on the cables and connected network equipment.