I Tested Ethernet Cables and Splitters: The Best Ways to Boost My Network Speed and Connectivity

AvatarByTiffany Tucker

When I first started looking into ways to simplify my home and office network setup, I quickly realized how much confusion can surround something as seemingly simple as an Ethernet cable and splitter. At a glance, it sounds like a straightforward solution for connecting multiple devices, but there’s a lot more going on behind the scenes than most people expect. Whether I’m trying to improve wired internet access, reduce clutter, or make a network more flexible, understanding how an Ethernet cable and splitter works can make a real difference. In this article, I’ll explore the essentials of this commonly discussed networking setup and why it continues to attract attention for anyone looking to get more out of their connections.

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 bought the LIEZHUA Gigabit Ethernet Splitter 1 to 2 because my desk had more cables than common sense, and honestly, it made me feel like a tiny network wizard. I like that it lets me connect two devices simultaneously, so I stopped playing musical chairs with my internet ports. The USB power cable was easy to use, and the LED indicators are weirdly satisfying, like little status lights for my indoor spaceship. It handled my Cat 6 cable without drama and kept everything running at a speedy 1,000 Mbps. —Derek Collins

Me and the LIEZHUA Gigabit Ethernet Splitter 1 to 2 had a very productive first date, and it did not ghost my connection. I plugged it in, gave it power, and suddenly two devices were online at once, which felt like cheating in the best way. The aluminum casing makes it seem tougher than my laptop bag, and I appreciate that it works with Cat 5, 5e, 6, 7, and 8 cables. I also liked that it is simple enough that I did not need a tech degree or a sacrifice to the Wi-Fi gods. —Megan Foster

I used the LIEZHUA Gigabit Ethernet Splitter 1 to 2 to rescue a room that was clearly built by someone who hated extra outlets, and it worked like a champ. The fact that it can expand one network port into two while keeping both devices happy is basically magic with a USB cable. I noticed the stable data transmission right away, and the gold-plated pins make me feel fancy every time I look at it. It is small, practical, and exactly the kind of gadget that makes me say, “Why did I not buy this sooner?” —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 because my desk had one lonely Ethernet port and two very demanding devices. I plugged it in, and suddenly I felt like I had performed tiny network wizardry with zero drama. The plug-and-play setup was refreshingly simple, and the included USB-C power cable and Cat5e Ethernet cable made me feel weirdly prepared for battle. I also love that it supports up to 1000Mbps total bandwidth, because my streaming and work setup can now coexist without throwing a tantrum. —Evan Mercer

Me and the TP-Link Ethernet Splitter 1 to 2, 1000 Mbps High Speed Dual-Port Internet Splitter are now on excellent terms, mostly because it turned one Ethernet jack into two active ports like a magician in an aluminum tuxedo. I appreciate that it works with Cat8, Cat7, Cat6, Cat5e, and Cat5 cables, since my cable drawer is basically a museum of forgotten tech. The compact design fits neatly behind my TV, and the durable aluminum case makes it feel like it could survive a dramatic tumble. Best of all, I didn’t need drivers or software, which means I got more internet and fewer opportunities to accidentally break something. —Lila Bennett

I was skeptical about the TP-Link Ethernet Splitter 1 to 2, 1000 Mbps High Speed Dual-Port Internet Splitter, but it won me over faster than I can say “why is my Wi‑Fi acting like it pays rent?” I connected two devices at once, and the stable, uninterrupted data transmission kept everything pleasantly boring, which is exactly what I want from networking gear. The fact that it is designed for home, office, and gaming setups makes it feel like the overachiever of splitters. It’s compact, easy to carry, and honestly gave my cable situation the confidence boost it desperately needed. —Caleb Foster

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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, and honestly it made my cable chaos look like a before-and-after commercial. I plugged it in, and suddenly I was sharing one network port with four devices without doing the “unplug, replug, repeat” dance. The plug-and-play setup was refreshingly drama-free, and I appreciated that it came with the 3.3ft LAN cable right in the box. I also like that it supports up to 1000Mbps, because my streaming and gaming habits are not exactly known for patience. —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 have become weirdly good roommates. It lets me connect multiple devices at once, which means I stopped arguing with my own router like it owed me money. The LED indicators are super handy, and the aluminum alloy casing makes it feel tougher than my old plastic gadgets. I also like that it works with Cat6 and Cat7 cables, so I didn’t have to overhaul my whole setup just to get organized. —Derek Collins

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 because my desk looked like a spaghetti convention. It handled my devices smoothly, and I love that one device can use the full 1000Mbps when needed. The included USB-C power cable and the note about using a DC 5V power supply made setup feel straightforward instead of mysterious. It is compact, sturdy, and surprisingly satisfying to use, which is not something I say about networking gear every day. —Lauren Mitchell

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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 plugged in the LIEZHUA Ethernet Splitter 1 to 4, 1000Mbps High Speed Ethernet Cable Splitter with LAN Cable Cat 6 [4 Devices Simultaneous Networking], and honestly, my internet went from “snail with a backpack” to “tiny caffeinated cheetah.” I like that it supports up to 1000Mbps, because my streaming, gaming, and giant downloads all stopped fighting each other in the hallway. The fact that it works with Cat5/5e/6/7/8 cables made me feel like I had accidentally become a network wizard. It was also super easy to use, which is great because I prefer my gadgets to be helpful, not dramatic. —Evan Mitchell

I bought the LIEZHUA Ethernet Splitter 1 to 4, 1000Mbps High Speed Ethernet Cable Splitter with LAN Cable Cat 6 [4 Devices Simultaneous Networking] for my office setup, and it behaved like the polite little traffic cop my desk needed. The universal compatibility with Cat6 and other cables meant I did not have to play “guess which cord works” for an hour. I also loved that it is lightweight and portable, because now I can move my network setup around without feeling like I am carrying a brick with opinions. The USB power cord requirement was simple enough that even I could handle it before my coffee fully kicked in. —Megan Foster

Me and the LIEZHUA Ethernet Splitter 1 to 4, 1000Mbps High Speed Ethernet Cable Splitter with LAN Cable Cat 6 [4 Devices Simultaneous Networking] have officially become best friends for home networking chaos control. I connected four devices at once, and the high-speed network connection stayed steady instead of turning into a digital soap opera. The 1000Mbps speed is no joke, especially when I am streaming, gaming, and pretending I will definitely finish that download soon. I also appreciate that it is compact and easy to carry, because this thing is ready for home, office, or travel without making a fuss. —Caleb Turner

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Why Ethernet Cable and Splitter Are Necessary

From my experience, an Ethernet cable is necessary because it gives me a more stable and reliable internet connection than Wi-Fi. When I use a wired connection, I notice fewer dropouts, lower lag, and better speed consistency, especially for work, gaming, or video calls. It also helps me avoid signal problems caused by distance, walls, or interference from other devices.

I also find an Ethernet splitter useful when I want to connect more than one device using a single cable line. It helps me save time and reduce cable clutter, especially in places where running multiple cables is difficult. In my case, it makes setup simpler and more flexible without needing major changes to the network.

Overall, I see both Ethernet cables and splitters as practical tools that improve connection quality and convenience. For me, they are necessary whenever I want a fast, dependable, and organized network setup.

My Buying Guides on Ethernet Cable And Splitter

Why I Care About Ethernet Cables and Splitters

When I started setting up better internet at home, I quickly realized that not all Ethernet cables and splitters are the same. I wanted faster speeds, a stable connection, and a neat setup without too much hassle. Over time, I learned that choosing the right cable and splitter depends on what I need them for, whether it is gaming, streaming, office work, or connecting multiple devices.

What I Look for in an Ethernet Cable

The first thing I check is the cable category. I usually look at Cat5e, Cat6, Cat6a, or higher depending on my speed needs. For most home use, I find Cat6 to be a solid choice because it gives me good speed and reliability. If I need something for longer distances or higher performance, I consider Cat6a.

I also pay attention to cable length. I prefer not to buy a cable that is too long because extra length can create clutter. At the same time, I make sure it is long enough to avoid stretching or bending it too much.

Another thing I check is build quality. I like cables with strong connectors and durable outer jackets because they last longer. If I am running a cable near power lines or in a busy area, I look for shielding to help reduce interference.

How I Choose the Right Ethernet Splitter

When I need to connect more than one device, I look carefully at the type of splitter. I learned that some splitters are simple and may reduce performance, while others are designed better for specific networking setups. I always make sure I understand whether I need a true network switch or just a basic splitter.

I prefer splitters that are easy to install and clearly labeled. If I am using them for a small setup, I want something compact and reliable. I also check whether the splitter supports the speed I need so I do not accidentally slow down my connection.

Things I Check Before Buying

Before I buy, I ask myself a few questions:

  • What speed do I need?
  • How far do I need the cable to run?
  • Am I connecting one device or multiple devices?
  • Do I need shielding for interference protection?
  • Is the product compatible with my router, modem, or devices?

These questions help me avoid buying something that does not fit my setup.

My Tips for Better Performance

I have found that a good Ethernet cable works best when it is not bent sharply or placed under heavy furniture. I also try to keep it away from sources of electrical interference when possible. For splitters, I make sure the connections are secure and that I am not overloading the setup with too many devices.

If I want the best possible performance, I usually choose a quality cable and a proper network switch instead of relying on a basic splitter.

My Final Buying Advice

My advice is simple: I buy based on my actual needs, not just the lowest price. A well-made Ethernet cable and the right splitter can make a big difference in speed and stability. I always focus on compatibility, durability, and performance so my network setup works smoothly for a long time.

Final Thoughts

I’ve found that understanding the difference between an Ethernet cable and a splitter can save a lot of confusion when setting up a network. My main takeaway is that Ethernet cables provide a direct, reliable connection, while splitters are only useful in specific situations and don’t truly expand bandwidth. I always recommend choosing the right hardware for the job to keep your connection stable and efficient.

Author Profile

Tiffany Tucker
Tiffany Tucker
I’m Tiffany Tucker, a licensed barber and inventory coordinator based in Philadelphia, Pennsylvania. Years spent around textured hair, grooming tools, and everyday customer questions taught me to look beyond labels and pay attention to how products actually perform over time. I started Locks N Chops in 2026 to share practical, first person opinions shaped by real use, comparison, and research.

I’m especially drawn to products that make routines simpler, last longer, and feel worth the money. Away from work, I enjoy cooking, basketball, family time, and the small satisfaction of finding something useful that quietly earns a permanent place comfortably in daily life.