MERCUSYS MS105G 5-Port Gigabit Network Switch

The MERCUSYS MS105G is an unmanaged five-port Gigabit Ethernet switch for adding wired connections to a home or office network. Its plug-and-play setup avoids configuration, while its five ports suit a modest expansion rather than a larger installation.

At a glance

Five Gigabit Ethernet ports provide wired network expansion for compatible devices.
Plug-and-play operation requires no configuration, according to the listing.
Auto-negotiation and auto MDI / MDIX are specified for the RJ45 ports.
Green Ethernet is claimed to adjust power use according to link status and cable length, with savings up to 82%.

Price

£6.17Save 52%

Reference price: ~~£12.73~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

Five ports can connect several wired devices through one switch.
Unmanaged plug-and-play setup is straightforward for a basic network extension.
Customer feedback reports ease of use, compact size and reliable operation, though experiences vary.

Cons

Five ports limit expansion capacity compared with switches offering more connections.

Technical specifications

15 specifications

Identity
Brand	MERCUSYS
Model	MS105G

Ports and networking
Number of ports	5
Interface	RJ45
Data transfer rate	1000 Megabits Per Second
Switch type	unmanaged
Number of layers	1
Platform	Not Machine Specific

Power and operating conditions
Voltage	5 Volts
Current rating	12 Amps
Lower temperature rating	12 Degrees Celsius
Upper temperature rating	40 Degrees Celsius

Compatibility and physical details
Compatible devices	Camera, Desktop, Gaming Console, Laptop, Printer
Colour	Black
Dimensions (L × W × H)	10.5L x 7W x 2.5H centimetres

What to know before buying

The listing describes desktop and wall mounting, but does not specify included mounting hardware. Confirm whether the selected package includes any accessories beyond the MS105G.

What’s in the box

Included

MS105G

Who is it for?

A good fit for

Home users adding wired connections for devices such as a computer, printer, camera or gaming console.
Buyers who want a simple unmanaged switch without configuration.
Small wired network expansions where five ports are sufficient.

Less suited to

Installations needing more than five Ethernet ports or managed network controls.
Buyers who need customer feedback to establish uniform long-term connectivity, as reports differ and some mention failures within 18 months.

MERCUSYS MS105G 5-Port Gigabit Network Switch · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.7 / 5 · 6,216 ratings

5 stars84%84%
4 stars9%9%
3 stars3%3%
2 stars1%1%
1 star3%3%

Customer feedback highlights ease of setup, compact size, reported gigabit performance and compatibility with home networks. Some customers describe reliable operation, while others report failures within 18 months and opinions on connectivity differ. This makes the switch a plausible fit for a basic five-port wired extension, but the feedback does not establish consistent long-term reliability.

Positive themes

Customers report easy plug-and-play use and appreciate the compact size.
Feedback describes useful speed and compatibility for basic home networks.

Negative themes

Some customers report failures within 18 months.

Mixed feedback

Customer experiences with connectivity and reliability differ.

Frequently asked questions

Does the MS105G need configuration?

The listing describes it as plug and play, with no configuration required.

How many devices can it connect?

It has five RJ45 ports. The listing presents it as a way to expand a wired network.

Is it a managed switch?

No. The supplied specification describes the switch type as unmanaged.

What comes in the package?

The explicit box contents list names the MS105G. The listing also mentions desktop and wall mounting, but does not confirm mounting hardware is included.