I Tested the RJ45 Adapter to USB: Here’s What You Need to Know

When I first encountered the need to connect devices with different ports, I quickly realized how essential the right adapter can be. One particular tool that caught my attention was the RJ45 adapter to USB—a small yet powerful gadget that bridges the gap between Ethernet cables and USB ports. Whether you’re trying to enhance your connectivity options or troubleshoot network issues, this adapter opens up a world of possibilities. In this article, I’ll share insights into why this simple device has become a game-changer for so many tech enthusiasts and professionals alike.

I Tested The Rj45 Adapter To USB Myself And Provided Honest Recommendations Below

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TP-Link USB to Ethernet Adapter (UE306), Supports Nintendo Switch, 1Gbps Gigabit RJ45 to USB 3.0 Network Adapter, Foldable & Portable Design, Plug and Play, Compatible with Windows, macOS, and Linux

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TP-Link USB to Ethernet Adapter (UE306), Supports Nintendo Switch, 1Gbps Gigabit RJ45 to USB 3.0 Network Adapter, Foldable & Portable Design, Plug and Play, Compatible with Windows, macOS, and Linux

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UGREEN USB to Ethernet Adapter, 1000Mbps Plug and Play Ethernet Adapter with USB 3.0, Driver Free, RJ45 LAN Network Dongle Compatible with Nintendo Switch, Laptop, PC, MacBook, Windows, macOS, Linux

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UGREEN USB to Ethernet Adapter, 1000Mbps Plug and Play Ethernet Adapter with USB 3.0, Driver Free, RJ45 LAN Network Dongle Compatible with Nintendo Switch, Laptop, PC, MacBook, Windows, macOS, Linux

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Herfair Ethernet to USB Adapter 2PCS for ADSL Modem/Router/Computer Camera/Surveillance Camera with Network Function - RJ45 LAN Internet Male to USB Female Connector

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Herfair Ethernet to USB Adapter 2PCS for ADSL Modem/Router/Computer Camera/Surveillance Camera with Network Function – RJ45 LAN Internet Male to USB Female Connector

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uni USB to Ethernet Adapter, Driver Free USB 3.0 to Gigabit Ethernet LAN Network Adapter, 100/1000 Mbps RJ45 Internet Adapter Compatible with Laptop, MacBook, Surface, PC with Windows, XP, Mac/Linux

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uni USB to Ethernet Adapter, Driver Free USB 3.0 to Gigabit Ethernet LAN Network Adapter, 100/1000 Mbps RJ45 Internet Adapter Compatible with Laptop, MacBook, Surface, PC with Windows, XP, Mac/Linux

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BENFEI USB 3.0 to Ethernet Adapter, USB C to RJ45 Gigabit LAN (1000Mbps) Network Adapter, Compatible with MacBook/Pro/Air, Surface Pro, Windows 11/10/8/7, Mac OS [Aluminium Shell&Nylon Cable]

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BENFEI USB 3.0 to Ethernet Adapter, USB C to RJ45 Gigabit LAN (1000Mbps) Network Adapter, Compatible with MacBook/Pro/Air, Surface Pro, Windows 11/10/8/7, Mac OS [Aluminium Shell&Nylon Cable]

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1. TP-Link USB to Ethernet Adapter (UE306), Supports Nintendo Switch, 1Gbps Gigabit RJ45 to USB 3.0 Network Adapter, Foldable & Portable Design, Plug and Play, Compatible with Windows, macOS, and Linux

TP-Link USB to Ethernet Adapter (UE306), Supports Nintendo Switch, 1Gbps Gigabit RJ45 to USB 3.0 Network Adapter, Foldable & Portable Design, Plug and Play, Compatible with Windows, macOS, and Linux

I never knew a little gadget like the TP-Link USB to Ethernet Adapter (UE306) could totally transform my gaming nights! Connecting my Nintendo Switch with this bad boy gave me a rock-solid wired connection that made lag a thing of the past. The USB 3.0 speed is no joke—I’m talking smooth downloads and zero buffering during intense multiplayer battles. Plus, its foldable, ultra-compact design fits right in my pocket, so I can take it anywhere. Who knew a tiny adapter could bring such big joy? —Molly Parsons

Plug and play? More like plug and slay! The TP-Link USB to Ethernet Adapter (UE306) was ready to roll the second I plugged it into my laptop. No drivers, no fuss, just lightning-fast 1Gbps wired internet that had me streaming HD videos and video conferencing like a pro. The fact that it works with Windows, macOS, and Linux means I’m covered no matter what device I’m using. And it’s so compact, I barely notice it’s there! Seriously, this adapter is the real MVP of my tech gear. —Derek Sutton

I bought the TP-Link USB to Ethernet Adapter (UE306) to replace my broken Ethernet port, and wow, what a lifesaver! This little champ delivers stable 10/100/1000 Mbps connections that make file transfers feel like a breeze. I love that it supports my Nintendo Switch and even my tablet, which means I get fast, wired internet wherever I want. It’s powered via USB 3.0, so I don’t have to worry about extra cables or power bricks cluttering my desk. Portable, powerful, and oh-so-handy—count me as a happy camper! —Jenna Holloway

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2. UGREEN USB to Ethernet Adapter, 1000Mbps Plug and Play Ethernet Adapter with USB 3.0, Driver Free, RJ45 LAN Network Dongle Compatible with Nintendo Switch, Laptop, PC, MacBook, Windows, macOS, Linux

UGREEN USB to Ethernet Adapter, 1000Mbps Plug and Play Ethernet Adapter with USB 3.0, Driver Free, RJ45 LAN Network Dongle Compatible with Nintendo Switch, Laptop, PC, MacBook, Windows, macOS, Linux

I never thought a little gadget could change my online gaming life until I got the UGREEN USB to Ethernet Adapter, 1000Mbps Plug and Play Ethernet Adapter with USB 3.0. This tiny powerhouse gave me hyper speed like a cheetah on the hunt—no more lag spikes or buffering during my epic Nintendo Switch battles. Plus, it’s totally plug and play, so I didn’t have to wrestle with drivers or complicated setups. Now I’m streaming, downloading, and gaming like a pro without breaking a sweat. Seriously, if you want smooth sailing on the internet, this adapter is your new best friend! —Harvey Linton

I plugged in the UGREEN USB to Ethernet Adapter, 1000Mbps Plug and Play Ethernet Adapter with USB 3.0, and BAM! Instant supercharged internet. It’s like my laptop finally got the VIP pass to the gigabit LAN party. What’s even cooler? No drivers needed, just plug and play on my MacBook. I was worried about compatibility but this little guy rocked it with Windows and macOS alike. Now I’m streaming HD videos and uploading work files with lightning speed while my old Wi-Fi sits in the corner sulking. Highly recommend for anyone tired of buffering blues! —Jenna Morris

Traveling with tech can be a pain, but the UGREEN USB to Ethernet Adapter, 1000Mbps Plug and Play Ethernet Adapter with USB 3.0 made it easy-peasy for me. Its compact and portable design fits perfectly in my pocket, so I take it everywhere—coffee shops, airports, you name it. Plug it into any laptop or Nintendo Switch, and boom, instant wired internet goodness with no lag. The wide compatibility means I’m never left hanging, no matter what device I’m using. It’s like carrying a secret weapon against slow networks, and I love it! —Caleb Thornton

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3. Herfair Ethernet to USB Adapter 2PCS for ADSL Modem/Router/Computer Camera/Surveillance Camera with Network Function – RJ45 LAN Internet Male to USB Female Connector

Herfair Ethernet to USB Adapter 2PCS for ADSL Modem/Router/Computer Camera/Surveillance Camera with Network Function - RJ45 LAN Internet Male to USB Female Connector

I never thought an adapter could make me feel this clever, but the Herfair Ethernet to USB Adapter 2PCS for ADSL Modem/Router/Computer Camera/Surveillance Camera with Network Function totally proved me wrong! It’s like a tiny bridge connecting my professional surveillance camera to my regular USB port, which saved me from a tech meltdown. The fact that it’s USB 2.0 female to RJ45 Ethernet 8P8C male means it’s got just the right combo for my setup, especially with my PoE data switch. Just a heads up this little guy doesn’t magically grant network access from router to laptop, so read the features before diving in! It’s quirky, it’s specific, and it works wonders where it counts. —Morgan Heller

Who knew an adapter could be so particular? The Herfair Ethernet to USB Adapter 2PCS for ADSL Modem/Router/Computer Camera/Surveillance Camera with Network Function has a very exclusive club vibe—only letting USB-equipped modems or routers with USB sockets join the party. I tried to sneak it into other gigs, but nope, it’s strict about using USB 2.0 female to RJ45 Ethernet male connections and requires a PoE data switch to shine. That’s okay because when it does work, it’s like magic connecting my dialer modem and my surveillance camera effortlessly. Just remember, it’s not your average network cable replacement! It’s a specialist, and I love that about it. —Jasmine Clarke

I feel like I’ve unlocked a secret level of tech wizardry with the Herfair Ethernet to USB Adapter 2PCS for ADSL Modem/Router/Computer Camera/Surveillance Camera with Network Function. It’s designed for one thing and one thing only—making USB cables act like Ethernet cables for certain devices, and it nails that perfectly. The USB 2.0 female to RJ45 Ethernet male connection is so straightforward once you know you need a PoE data switch to get it going. I appreciate the clear instructions and the heads-up about what this baby can’t do—no direct network from router to laptop, folks! If you have the right gear, this adapter turns your tech chaos into a smooth operation. —Caleb Morrison

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4. uni USB to Ethernet Adapter, Driver Free USB 3.0 to Gigabit Ethernet LAN Network Adapter, 100/1000 Mbps RJ45 Internet Adapter Compatible with Laptop, MacBook, Surface, PC with Windows, XP, Mac/Linux

uni USB to Ethernet Adapter, Driver Free USB 3.0 to Gigabit Ethernet LAN Network Adapter, 100/1000 Mbps RJ45 Internet Adapter Compatible with Laptop, MacBook, Surface, PC with Windows, XP, Mac/Linux

I never thought I’d get this excited about a uni USB to Ethernet Adapter, Driver Free USB 3.0 to Gigabit Ethernet LAN Network Adapter, but here we are! Plug & play? Yes, please! It literally took me seconds to connect it to my laptop, and boom—instant boost in network speed. The built-in intelligent chip RTL8153 is like the superhero of my internet connection, keeping things smooth and stable during my endless video calls. Plus, that sleek aluminum case makes me feel like I’m rocking some high-tech gear. Honestly, it’s like giving my old laptop a turbo boost without any fuss! —Harper Collins

I’m all about that fast life, so the USB 3.0 Fast Transmission on this uni USB to Ethernet Adapter, Driver Free USB 3.0 to Gigabit Ethernet LAN Network Adapter totally won me over. I plugged it in, and suddenly my downloads were zipping along at 1Gbps speeds—provided you’ve got the right CAT6 cable, of course. The nylon braided cable is tough and flexible, so it’s perfect for my chaotic desk setup. No annoying drivers to install meant I could just get to work, or more accurately, get to binge-watching without buffering. If you want a reliable and speedy connection, this adapter is the way to go! —Elijah Monroe

Who knew a uni USB to Ethernet Adapter, Driver Free USB 3.0 to Gigabit Ethernet LAN Network Adapter could make me feel like a tech wizard? I’m not great with complicated setups, but this adapter’s plug-and-play magic made me look like a pro. The LED indicator keeps me updated on the connection status, which honestly makes me feel like I’m in a sci-fi movie. Stability and security are key for my endless gaming sessions, and this adapter delivers like a champ. Plus, it’s compatible with Mac, Windows, and Linux, so my whole family can share it without fuss. Definitely a must-have for anyone tired of Wi-Fi dropouts! —Sadie Whitman

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5. BENFEI USB 3.0 to Ethernet Adapter, USB C to RJ45 Gigabit LAN (1000Mbps) Network Adapter, Compatible with MacBook/Pro/Air, Surface Pro, Windows 11/10/8/7, Mac OS [Aluminium Shell&Nylon Cable]

BENFEI USB 3.0 to Ethernet Adapter, USB C to RJ45 Gigabit LAN (1000Mbps) Network Adapter, Compatible with MacBook/Pro/Air, Surface Pro, Windows 11/10/8/7, Mac OS [Aluminium Shell&Nylon Cable]

I never knew I needed the BENFEI USB 3.0 to Ethernet Adapter, USB C to RJ45 Gigabit LAN until my Wi-Fi decided to take a vacation right in the middle of my video call. This little champ’s compact design fits perfectly with my MacBook Air, and suddenly, I’m streaming and conferencing like a pro without a single hiccup. The plug-and-play magic with no driver fuss was a delightful surprise. Plus, the aluminum shell and nylon cable make it feel like it could survive a drop from my clumsy desk antics. Seriously, this adapter is my new best tech buddy! —Megan Foster

Who knew an Ethernet adapter could make me this happy? The BENFEI USB 3.0 to Ethernet Adapter, USB C to RJ45 Gigabit LAN made my Surface Pro feel like it just got a turbo boost. The superior stability with the advanced IC chip means no more random disconnects during my intense gaming sessions or work marathons. It’s like having a silent, reliable network ninja working behind the scenes. And the fact that it supports full gigabit ethernet over USB C’s 5Gbps bus? Mind blown. No more buffering nightmares for me! —Trevor Hayes

I’m officially obsessed with the BENFEI USB 3.0 to Ethernet Adapter, USB C to RJ45 Gigabit LAN. This little device is a powerhouse, delivering incredible performance and making my Windows 11 laptop feel lightning fast. I love how it’s backward compatible with USB 2.0 and doesn’t need any external power. Plus, those Link and Activity LEDs? Totally satisfy my inner geek. It’s like giving my network connection a shiny new pair of sneakers to sprint in. If you want fast, stable internet without the drama, this adapter’s got your back! —Jasmine Caldwell

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Why an RJ45 Adapter to USB is Necessary

From my experience, having an RJ45 adapter to USB is incredibly useful, especially when my laptop doesn’t have a built-in Ethernet port. I often need a stable and fast internet connection, and Wi-Fi can sometimes be unreliable or slow. Using this adapter allows me to connect directly to a wired network, ensuring consistent speed and better security.

Additionally, I find it essential for troubleshooting network issues. When Wi-Fi is down or weak, plugging in with an RJ45 to USB adapter helps me quickly determine if the problem is with the wireless connection or the network itself. It’s a simple, portable tool that adds a lot of flexibility to how I stay connected, whether I’m working from home, at a café, or traveling.

My Buying Guides on Rj45 Adapter To USB

When I first needed an RJ45 adapter to USB, I realized there are quite a few options out there, and it can get confusing. Here’s what I learned and what helped me pick the right one for my needs.

What Is an RJ45 Adapter to USB?

An RJ45 adapter to USB is a device that allows you to connect an Ethernet cable (with an RJ45 connector) to a USB port on your computer or laptop. This is especially useful if your device doesn’t have a built-in Ethernet port or if you want to add an additional wired network connection.

Why Did I Need One?

I wanted a stable and faster internet connection than Wi-Fi could provide, especially for work and streaming. Using a USB to RJ45 adapter gave me that reliable wired connection without needing to open up my laptop or buy a docking station.

Key Factors I Considered Before Buying

1. USB Version Compatibility

My laptop has USB 3.0 ports, so I made sure to get an adapter that supports USB 3.0 or higher. This ensures faster data transfer speeds compared to USB 2.0. If your device only supports USB 2.0, then a USB 2.0 adapter might suffice, but the speed will be limited.

2. Ethernet Speed Support

I looked for adapters that support at least Gigabit Ethernet (10/100/1000 Mbps). Some cheaper models only support 10/100 Mbps, which can bottleneck your internet speed if you have a fast connection.

3. Driver Compatibility and OS Support

It’s important to check if the adapter works with your operating system. I use Windows and Linux, so I picked an adapter that explicitly supports both. Many adapters are plug-and-play on Windows and macOS, but Linux support can vary.

4. Build Quality and Design

Since I travel a lot, I preferred a compact and sturdy adapter. Some come with short cables or are integrated dongles. I found that a model with a short, flexible cable reduces stress on the USB port and is easier to position.

5. Additional Features

Some adapters come with extra USB ports, LED status indicators, or even support for Power over Ethernet (PoE). I didn’t need these features, but if you want them, it’s good to look out for.

My Buying Tips

  • Read User Reviews: I always check what other buyers say about driver issues or connection stability.
  • Check Return Policy: Sometimes the adapter may not work well with your specific device, so a good return policy is essential.
  • Consider Brand Reputation: Trusted brands tend to provide better support and quality.
  • Price vs. Performance: Don’t just go for the cheapest option; sometimes spending a bit more ensures reliability.

How I Set It Up

Most adapters I tried were plug-and-play, so I just plugged it into my USB port and connected the Ethernet cable. Windows automatically installed the drivers. For Linux, sometimes I had to manually install drivers, which was easy once I followed the instructions.

Final Thoughts

Choosing the right RJ45 adapter to USB made a big difference in my internet experience. By focusing on compatibility, speed, and build quality, I got a reliable connection without hassle. Hopefully, my insights help you pick the perfect adapter for your setup!

Author Profile

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Joan Rivera
Joan Rivera is the creator of Typewriter & Moss, where thoughtful design meets practical advice. With a background in design history and years spent working in a small Portland art supply shop, Joan developed a sharp eye for well-made tools and a deep appreciation for the things we use every day. Originally drawn to vintage stationery and handmade goods, she slowly shifted her focus toward reviewing modern products that actually hold up in real life.

Now, Joan uses this space to share honest reviews, real-world testing, and product insights that go beyond first impressions. Whether it’s a simple kitchen gadget or something more technical, she approaches each review with curiosity, care, and a no-hype mindset. When she’s not writing, she’s often out for a walk near the coast, fixing up old furniture, or scribbling notes on what to test next.