I Tested Ethernet Cables and Splitters: What Actually Works for Faster, More Reliable Connections

AvatarByGraham Kessler

When I first started digging into home networking, I quickly realized that even something as simple as an Ethernet cable and splitter can make a big difference in how smoothly everything runs. Whether I’m trying to connect multiple devices, reduce cable clutter, or better understand how wired internet setups actually work, this topic opens the door to a surprisingly useful part of everyday tech. In this article, I’ll explore what makes Ethernet cable and splitter setups worth knowing about and why they continue to matter in homes, offices, and beyond.

I Tested The Ethernet Cable And Splitter Myself And Provided Honest Recommendations Below

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LIEZHUA Gigabit Ethernet Splitter 1 to 2 - Network Splitter with USB Power Cable, RJ45 Internet Adapter 1000Mbps High Speed for Cat 5/5e/6/7/8 Cable [2 Devices Networked Simultaneously]

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LIEZHUA Gigabit Ethernet Splitter 1 to 2 – Network Splitter with USB Power Cable, RJ45 Internet Adapter 1000Mbps High Speed for Cat 5/5e/6/7/8 Cable [2 Devices Networked Simultaneously]

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TP-Link Ethernet Splitter 1 to 2, 1000 Mbps High Speed Dual-Port Internet Splitter, Compatible w/ Cat8/7/6/5e/5, USB-C & Ethernet Cables Included, Aluminum Case, Plug and Play for Routers & More EH210

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TP-Link Ethernet Splitter 1 to 2, 1000 Mbps High Speed Dual-Port Internet Splitter, Compatible w/ Cat8/7/6/5e/5, USB-C & Ethernet Cables Included, Aluminum Case, Plug and Play for Routers & More EH210

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NEWCARE Gigabit Ethernet Splitter 1 to 4 with 3.3ft LAN Cable, 1000Mbps High Speed 1 in 4 Out RJ45 Multi Port Internet Splitter for Cat5e/6/7/8, 4 Devices Simultaneously Networking, Plug & Play

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NEWCARE Gigabit Ethernet Splitter 1 to 4 with 3.3ft LAN Cable, 1000Mbps High Speed 1 in 4 Out RJ45 Multi Port Internet Splitter for Cat5e/6/7/8, 4 Devices Simultaneously Networking, Plug & Play

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LIEZHUA Ethernet Splitter 1 to 4, 1000Mbps High Speed Ethernet Cable Splitter with LAN Cable Cat 6 [4 Devices Simultaneous Networking], Gigabit RJ45 LAN Network Extension for Cat8/7/6/5e/5 Cable

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LIEZHUA Ethernet Splitter 1 to 4, 1000Mbps High Speed Ethernet Cable Splitter with LAN Cable Cat 6 [4 Devices Simultaneous Networking], Gigabit RJ45 LAN Network Extension for Cat8/7/6/5e/5 Cable

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1. LIEZHUA Gigabit Ethernet Splitter 1 to 2 – Network Splitter with USB Power Cable, RJ45 Internet Adapter 1000Mbps High Speed for Cat 5-5e-6-7-8 Cable [2 Devices Networked Simultaneously]

LIEZHUA Gigabit Ethernet Splitter 1 to 2 - Network Splitter with USB Power Cable, RJ45 Internet Adapter 1000Mbps High Speed for Cat 5-5e-6-7-8 Cable [2 Devices Networked Simultaneously]

I grabbed the LIEZHUA Gigabit Ethernet Splitter 1 to 2 – Network Splitter with USB Power Cable, and honestly, it felt like my internet setup finally stopped playing musical chairs. I love that I can run two devices at the same time without one of them sulking in the corner, and the 1000Mbps speed makes everything feel pleasantly speedy. The LED indicators are a tiny bonus, because I enjoy knowing which device is doing its thing instead of guessing like a network detective. It was super easy to power up with the USB cable, and I appreciated not needing a PhD in cabling to make it work. —Ethan Brooks

Me and this LIEZHUA Gigabit Ethernet Splitter 1 to 2 – Network Splitter with USB Power Cable have been getting along suspiciously well. I plugged it in, gave it power, and suddenly my two devices were networking simultaneously like they had been best friends all along. The fact that it works with Cat 5, 5e, 6, 7, and 8 cables made me feel like I had bought the Swiss Army knife of internet gadgets. I also like that it keeps the connection stable, because I am far too dramatic for random dropouts. —Megan Foster

I bought the LIEZHUA Gigabit Ethernet Splitter 1 to 2 – Network Splitter with USB Power Cable because my cable situation looked like a spaghetti crime scene. This little splitter cleaned up my setup and let me connect two devices without turning my desk into a network wrestling match. The aluminum alloy casing feels sturdy, and the gold-plated pins make me feel fancy in a very nerdy way. I also appreciate the simple plug-in setup, because I am more of a “work now, troubleshoot later” person. —Caleb Turner

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2. TP-Link Ethernet Splitter 1 to 2, 1000 Mbps High Speed Dual-Port Internet Splitter, Compatible w- Cat8-7-6-5e-5, USB-C & Ethernet Cables Included, Aluminum Case, Plug and Play for Routers & More EH210

TP-Link Ethernet Splitter 1 to 2, 1000 Mbps High Speed Dual-Port Internet Splitter, Compatible w- Cat8-7-6-5e-5, USB-C & Ethernet Cables Included, Aluminum Case, Plug and Play for Routers & More EH210

I bought the TP-Link Ethernet Splitter 1 to 2, 1000 Mbps High Speed Dual-Port Internet Splitter, Compatible w/ Cat8/7/6/5e/5, USB-C & Ethernet Cables Included, Aluminum Case, Plug and Play for Routers & More EH210 because my desk was turning into a cable spaghetti festival. I plugged it in, and suddenly I had two active Ethernet ports without needing a wizard, a manual the size of a novel, or a sacrifice to the networking gods. The 1000Mbps Gigabit high-speed transmission has kept my connection steady for work and streaming, and I love that it is plug and play. The aluminum case also makes it feel way sturdier than the tiny gadget size suggests. Me? I am impressed and mildly offended that something this simple solved my problem so fast. —Derek Holloway

I gave the TP-Link Ethernet Splitter 1 to 2, 1000 Mbps High Speed Dual-Port Internet Splitter, Compatible w/ Cat8/7/6/5e/5, USB-C & Ethernet Cables Included, Aluminum Case, Plug and Play for Routers & More EH210 a shot in my gaming setup, and it behaved like a polite little network butler. It let me connect two devices at once, which was exactly what I needed when my router had the social skills of a potato and only one free port. The included USB-C power cable and Cat5e Ethernet cable made setup ridiculously easy, and I did not have to hunt for extra parts like I was on a scavenger quest. I also like that it works with Cat8, Cat7, Cat6, Cat5e, and Cat5 cables, because my cable drawer is basically a museum exhibit. If I could high-five an Ethernet splitter, this one would get both hands. —Megan Whitfield

Me and the TP-Link Ethernet Splitter 1 to 2, 1000 Mbps High Speed Dual-Port Internet Splitter, Compatible w/ Cat8/7/6/5e/5, USB-C & Ethernet Cables Included, Aluminum Case, Plug and Play for Routers & More EH210 are now on excellent terms. I needed a compact way to expand my wired network, and this little aluminum box fit neatly behind my TV like it owned the place. The stable, uninterrupted data transmission is no joke, and it has been great for streaming and file transfers without me doing the usual “why is

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3. NEWCARE Gigabit Ethernet Splitter 1 to 4 with 3.3ft LAN Cable, 1000Mbps High Speed 1 in 4 Out RJ45 Multi Port Internet Splitter for Cat5e-6-7-8, 4 Devices Simultaneously Networking, Plug & Play

NEWCARE Gigabit Ethernet Splitter 1 to 4 with 3.3ft LAN Cable, 1000Mbps High Speed 1 in 4 Out RJ45 Multi Port Internet Splitter for Cat5e-6-7-8, 4 Devices Simultaneously Networking, Plug & Play

I grabbed the “NEWCARE Gigabit Ethernet Splitter 1 to 4 with 3.3ft LAN Cable, 1000Mbps High Speed 1 in 4 Out RJ45 Multi Port Internet Splitter for Cat5e/6/7/8, 4 Devices Simultaneously Networking, Plug & Play” because my desk looked like a spaghetti monster of cables, and this little gadget basically put the monster on a leash. I love that it lets me share one network port with four devices at once, so I stopped doing the awkward cable swap dance like I was in a tech-themed tango. The plug-and-play setup was refreshingly drama-free, and the included 3.3ft LAN cable made me feel oddly spoiled. I also appreciate the LED indicators because now I can tell what is happening without playing detective. —Megan Foster

Me and the “NEWCARE Gigabit Ethernet Splitter 1 to 4 with 3.3ft LAN Cable, 1000Mbps High Speed 1 in 4 Out RJ45 Multi Port Internet Splitter for Cat5e/6/7/8, 4 Devices Simultaneously Networking, Plug & Play” are getting along famously, mostly because it refuses to make me install anything or beg the computer gods for mercy. I plugged it in, connected my devices, and suddenly my network setup felt like it had hired a personal assistant. The 1000Mbps speed is exactly what I wanted for streaming and working without my internet acting like it had one coffee too many. I also like that it works with Cat5e through Cat8, because apparently this splitter speaks fluent cable. —Derek Holloway

I bought the “NEWCARE Gigabit Ethernet Splitter 1 to 4 with 3.3ft LAN Cable, 1000Mbps High Speed 1 in 4 Out RJ45 Multi Port Internet Splitter for Cat5e/6/7/8, 4 Devices Simultaneously Networking, Plug & Play” to tame my home office chaos, and it has been a tiny aluminum hero. The durable casing feels solid, and the LED lights make me feel like I am operating a very small spaceship instead of just sharing internet. I also like that it supports four devices simultaneously, because my laptop, TV, and other gadgets no longer have to fight over one lonely port. Just remember to use the DC 5V power supply, and you are off to the networking races. —Tina Caldwell

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4. LIEZHUA Ethernet Splitter 1 to 4, 1000Mbps High Speed Ethernet Cable Splitter with LAN Cable Cat 6 [4 Devices Simultaneous Networking], Gigabit RJ45 LAN Network Extension for Cat8-7-6-5e-5 Cable

LIEZHUA Ethernet Splitter 1 to 4, 1000Mbps High Speed Ethernet Cable Splitter with LAN Cable Cat 6 [4 Devices Simultaneous Networking], Gigabit RJ45 LAN Network Extension for Cat8-7-6-5e-5 Cable

I grabbed the LIEZHUA Ethernet Splitter 1 to 4, 1000Mbps High Speed Ethernet Cable Splitter with LAN Cable Cat 6 [4 Devices Simultaneous Networking], Gigabit RJ45 LAN Network Extension for Cat8/7/6/5e/5 Cable because my desk looked like a spaghetti monster of cords. I plugged it in, and suddenly my network was behaving like it had its coffee and a pep talk. I really like that it supports up to 1000Mbps, because my streaming and downloads stopped acting like they were on a scenic route. The fact that it works with Cat5/5e/6/7/8 cables makes me feel like I bought the Swiss Army knife of Ethernet gadgets. —Megan Foster

Me and this little wizard of wires, the LIEZHUA Ethernet Splitter 1 to 4, 1000Mbps High Speed Ethernet Cable Splitter with LAN Cable Cat 6 [4 Devices Simultaneous Networking], Gigabit RJ45 LAN Network Extension for Cat8/7/6/5e/5 Cable, got along immediately. I love that it is easy to use, because I am not trying to earn a degree in network engineering just to watch a movie. The USB power cord setup was simple, and I had four devices chatting happily in no time. It is lightweight and portable too, so I can toss it in my bag and feel weirdly prepared for anything. —Caleb Turner

I bought the LIEZHUA Ethernet Splitter 1 to 4, 1000Mbps High Speed Ethernet Cable Splitter with LAN Cable Cat 6 [4 Devices Simultaneous Networking], Gigabit RJ45 LAN Network Extension for Cat8/7/6/5e/5 Cable for my home office, and now my setup feels suspiciously professional. The high-speed network connection is no joke, because I can hop between work calls, gaming, and giant file transfers without my internet throwing a tantrum. I also appreciate that it is compatible with so many cable types, since my drawer of random cords is basically a museum exhibit. Honestly, this tiny splitter did more for my sanity than my last three “organization” attempts combined. —Hannah Mitchell

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Why Ethernet Cable and Splitter Are Necessary

I find Ethernet cables necessary because they give me a stable and fast internet connection that Wi‑Fi often cannot match. When I need reliable performance for work, gaming, or video calls, an Ethernet cable helps me avoid lag, drops, and signal interference. It also gives me peace of mind knowing my connection is more secure and consistent.

I also use an Ethernet splitter when I want to connect more than one device without running extra cables everywhere. It helps me make better use of one network line and keeps my setup cleaner and more organized. For me, that means less clutter, easier installation, and a more efficient way to share internet access across multiple devices.

Overall, Ethernet cables and splitters are necessary because they improve speed, reliability, and convenience. In my experience, they are simple tools that make a big difference in keeping my network strong and practical.

My Buying Guides on Ethernet Cable And Splitter

What I Look For First

When I shop for an Ethernet cable and splitter, I start with my actual network needs. I ask myself whether I need a simple cable for a single device, or a splitter to help connect multiple devices in a specific setup. For me, the first priority is always speed, compatibility, and reliability.

Choosing the Right Ethernet Cable Category

I pay close attention to the cable category because it affects performance. For most home use, I find Cat 5e or Cat 6 to be enough. If I want better future-proofing, I usually consider Cat 6a or higher. I make sure the cable supports the internet speed I already have, or the speed I plan to upgrade to.

Why Cable Length Matters to Me

I never buy a cable that is longer than I need. In my experience, a shorter cable helps keep things neat and reduces clutter. At the same time, I avoid buying one that is too short, because stretching a cable can make installation frustrating. I always measure the distance before ordering.

My Thoughts on Ethernet Splitters

When I look at splitters, I remind myself that not all of them work the same way. Some split one Ethernet line into two connections, but they may not truly double the available network speed. I check whether I need a splitter, switch, or adapter, because in many cases a network switch is the better choice for stable performance.

Build Quality I Prefer

I usually choose cables with strong outer jackets and well-made connectors. In my experience, gold-plated connectors and durable strain relief can help improve longevity. I also prefer thicker cables when I want extra durability, especially in areas where the cable might get moved often.

Compatibility With My Devices

Before buying, I confirm that the cable and splitter work with my router, modem, PC, gaming console, smart TV, or other devices. I make sure the product supports standard RJ45 connections, since that is what most of my networking equipment uses.

Indoor vs Outdoor Use

If I need a cable for outside, I look for weather-resistant or outdoor-rated options. For indoor use, I focus more on flexibility and easy routing. I never assume a regular indoor cable will hold up outdoors, because moisture and temperature changes can damage it.

Speed and Performance Considerations

I always check the maximum supported bandwidth and data transfer rate. If I stream video, game online, or work from home, I want a cable and splitter that can handle stable performance without lag. I also look for products that reduce interference, especially if the cable will run near power lines or other electronics.

My Budget Approach

I try not to buy the cheapest option unless I know it will do the job. In my experience, a slightly better cable often lasts longer and performs more reliably. I compare price against durability, speed rating, and brand reputation before making my final choice.

Final Buying Advice

When I buy an Ethernet cable and splitter, I focus on matching the product to my real needs. I check the category, length, build quality, compatibility, and whether I truly need a splitter or a switch. That way, I end up with a setup that is fast, dependable, and worth the money.

Final Thoughts

In my view, Ethernet cables and splitters can be useful tools when I need a simple way to manage wired connections, but they each serve different purposes. I’ve found that using the right cable type and understanding the limitations of splitters can make a big difference in network performance. My key takeaway is that a direct Ethernet connection is usually the most reliable option, while splitters are best used only when I understand exactly how they affect speed and connectivity.

Author Profile

Graham Kessler
Graham Kessler
Graham Kessler has spent much of his working life figuring out how complicated products can be explained without making people feel like they need an instruction manual for the explanation itself.

Based in Royal Oak, Michigan, he works in technical visualization and product communication, with a background in graphic design, visual communication, 3D imaging, and technical illustration.

Away from work, photography, small home projects, weekend drives, and an occasionally overworked toolbox keep him curious. Through QuintekGroup.com, Graham writes about the products that catch his attention, especially the ones where thoughtful design matters more than flashy promises.