2026年 June

10 Best usb network adapters in 日本

Last Updated - 02/06/2026

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Best Choice
01

Planex Comm

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Planex USB-Type A Multi-Gigabit (Supports 2.5Gbps) Wired LAN Adapter USB-LAN2500R3
9.8

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

The REALTEK RTL8156 family is widely used as a 2.5Gbps LAN controller via USB. The RTL8156B is a second generation designed to reduce power consumption and reduce heat generation
Supports multi-Gigabit communication with transfer rate of 2.5Gbps (theoretical value) and provides a significant increase in speed compared to traditional Gigabit (1Gbps/theoretical value). Allows you to transfer high volume data, stream high-resolution videos, use NAS and cloud services with low latency
Simply plug into the USB 3.2 Gen1 Type-A port to connect your laptop, desktop or USB Type-A tablet to your wired LAN. Compact design with integrated cable makes it easy to carry. Easily ensure stable and high-speed communication even in Wi-Fi unstable environments
Fits 16KBytes Jumbo Frames By reducing the number of frames, it improves communication efficiency and reduces CPU load. You can feel comfortable in high-impact situations such as high capacity data transmission, video editing and cloud syncing
Adopts mesh cable which is more durable than ordinary cables. Resistant to external shocks and pulls, while remaining flexible and reduces the risk of disconnection and damage Whether stored in your bag or in daily use, the cable will last for a long time without worry

￥3,980
Best Value
02

UGREEN

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UGREEN Wired LAN Adapter 2.5Gbps Super High-Speed Communication USB Type C to RJ45 2500Mbps USB LAN Conversion Adapter Ethernet Adapter Gigabit LAN Cable Compatible with iPhone Series/MacBook Pro/iPad
9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

【Significantly improved ping values with a wired connection】When playing online games, using this product can greatly improve the ping value, which is the speed of data transmission and reception Compared to wireless WiFi networks, it offers significant numerical improvements, and even in a 1 Gigabit environment, optimization of the IC controller promises improvements (We recommend not to use it in environments with strong interference as the network signal may deteriorate )
【Please note】If the product is not usable or has poor connectivity when connected to a PC, please try the following steps: ① For Windows: Check if "Realtek Gaming USB 2.5GbE Family Controller" is recognized in "Device Manager" → "Network" If recognized, run [Network Troubleshooter] or download and install the driver for this product ② For macOS: Check if "USB 10/100/1G/2.5G LAN" is recognized under "USB" in the System Report If recognized, check if "USB 10/100/1G/2.5G LAN" is connected in the network environment settings If not displayed, check the connection of the LAN port, LAN adapter, and LAN cable ③If the problem still persists, it is recommended to replace the LAN cable, router port, or PC
【Lightweight & Compact】With a lightweight and compact design that fits in the palm of your hand, it is convenient to use as a desktop accessory or as an accessory for a laptop Additionally, a soft cable is used, considering ease of handling Since power is directly drawn from the host USB port, there is no need to carry a power adapter If you use a LAN cable, do not use a cable that is too long, as it may weaken the network or prevent it from connecting to the network )
【High-Speed Communication Compatible with 2.5Gbps】This product is a LAN adapter that connects to a PC with a USB Type-C port at high speed, supporting a LAN port of 2.5Gbps (theoretical value) and a USB 3.2 (Gen1) of 5Gbps (theoretical value) This allows for download speeds of up to 2366 Mbps and stable high-speed communication of up to 2.5 Gbps (standard value) Enjoy smooth transfers of large files, video conferencing, video streaming, and online gaming (Note: To use 2.5Gbps communication, devices on the network route must support 2.5GbE )
【Equipped with the latest Realtek chip that excels in heat dissipation】The Realtek smart chip is built in, which can suppress heat generation compared to previous chips, so there is little change in temperature from the start of use and it can be used safely even for long periods It also features an aluminum alloy shell, preventing oxidation and rust
【24-Month Warranty Period】Products purchased from our store come with a 24-month warranty service We provide a warranty from the date the customer purchased the product up until 24 months from that date Please note: If intentional damage by the customer or a third party is found, it will not be covered by the warranty
Compatible with both Windows and Mac: When you plug it into a USB port on your Windows 11 or Mac OS PC, it will automatically recognize it and begin high-speed communication immediately Please note: When using with Windows 10 or earlier, or with other OS, please download and install the RTL8156B driver for each OS before use )

￥3,299
03

UGREEN

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UGREEN USB LAN Wired LAN Adapter Switch Wired LAN USB 3.0 to RJ45 Gigabit Ethernet 10/100/1000Mbps Super High Speed Switch Operation Confirmed Black
9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Wide Compatibility: Compatible with Switch, Windows 11/10/8/8.1 & Chrome OS systems. No need to install drivers, just plug and play Note: Drivers required for Win 7/XP, Linux systems; not compatible with Windows RT and Android, Wii, Wii U
USB to RJ45 Wired LAN Adapter: This LAN adapter converts USB ports on Switch or PC to Gigabit RJ45 ports Provides a comfortable net environment for internet gaming, video conferencing, file transfer, etc
Gigabit Ethernet: UGREEN USB LAN converter adapter utilizes the performance of USB 3.0 and fully supports Gigabit bandwidth You can access large files with 1000 Mbps network speed
Compact size: It is small enough to fit in your bag and can be used easily even when you're on the go It also comes with LED lights, making the operating status easy to see at a glance
24 MONTHS WARRANTY: We offer 24 months warranty for products purchased from our store We provide a warranty from the date the customer purchased the product up to 24 months Please note: If intentional damage by the customer or a third party is confirmed, it will not be covered by the warranty

￥1,726
04

UGREEN

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UGREEN Wired LAN Adapter 2.5Gbps USB LAN Converter Adapter USB A 3.2 Gen 1 2500Mbps Ethernet Adapter Gigabit Ethernet Compatible with Windows/Mac OS
9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

【Wide Compatibility】Wired LAN adapter suitable for high-performance laptops such as Mac Pro/Mac Book Pro/Surface Book/HP Z book/Dell Precision/Lenovo P series Enjoy fast & high-quality play in a stable environment, even faster than WiFi connection!
【Powerful 2.5G network connection】This compact USB network adapter supports NBASE-T with existing Category 5e cables, achieving 2.5G speeds without using Category 6a or optical cables Auto-negotiation function provides maximum bandwidth at all times Note: To use 2.5Gbps communication, devices on network routes must support 2.5GbE
【Portable and lightweight design suitable for mobile use】The compact USB Type A NIC adapter is convenient for use as both a desktop and a laptop accessory Since power is directly drawn from the host USB port, there is no need to carry a power adapter
【Plug & Play】Simply plug it in to start using it immediately, so there is no need to manually install drivers You can easily see the network status with the LED indicator Plug & Play is available for Windows 11/10/8.1 and Mac OS
【High-performance Chip Installed・Significantly Improved Performance】: This 2.5Gbps USB LAN conversion adapter features the Realtek RTL8156BG chipset, supporting driver-free operation on both Mac and Windows Adopts aluminum material for good heat dissipation and low power consumption, fully utilizing product performance ⚠️When using with Windows 7/8.x/10, please download and install the RTL8156B driver for each OS from Realtek before use
【24-month warranty period】Products purchased from our store come with a 24-month warranty service We provide a warranty from the date the customer purchased the product up to 24 months from that date Please note: If intentional damage by the customer or a third party is confirmed, it will not be covered by the warranty

￥3,180
05

UGREEN

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UGREEN USB LAN Adapter 1000Mbps High Speed Switch Wired LAN USB3.0 to RJ45 for Windows and Mac OS Gigabit Ethernet Aluminum Case for Gaming and Internet Conferencing (Black)
9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

WIDE COMPATIBILITY: Switch and Windows 11/10/8/8.1 & Chrome OS system, no driver required, just plug and play. Driver installation is required for Windows 7/XP, Linux system. Note: Not compatible with Windows RT and Android, Wii, Wii U
USB to RJ45 Wired LAN Adapter: This LAN adapter converts a switch or PC USB port to a Gigabit RJ45 port. Directly solves the problem of WIFI erratic or no wired connection when playing competitions or cooperation. Provides a comfortable environment for internet gaming, video conferencing, file transfer, etc
Gigabit Ethernet: UGREEN USB LAN Converter Adapter utilizes USB 3.0 performance to enjoy ultra-fast networks up to 1000 Mbps. Backwards compatible with 10/100Mbps
Compact Size: Small, lightweight and portable, so you can easily use it during business trips or travel. The luxurious aluminum case is compatible with many devices. It also has an LED indicator so you can see the working status at a glance
24 Month Warranty: The products you buy from our store provide 24 months warranty service. We guarantee your product from the moment you purchase it until the date of application 24 months. Please note: Any intentional damage to the customer or a third party is not covered under warranty

￥2,154
06

BENFEI

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BENFEI Wired LAN Adapter, USB A/C to Gigabit Ethernet Adapter, USB 3.0/C -10/100/1000Mbps High Speed RJ45 Gigabit Ethernet LAN Network Adapter Compatible with MacBook Pro 2022/2021/2020, MacBook Air and More
9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

WIDE COMPATIBILITY - The USB Ethernet adapter is compatible with Windows 11/10/8.1/8/7/Vista/XP, Mac OSX 10.6/10.7/10.8/10.9/10.10/10.11/10.12, Linux Kernel 3.x/2.6. Compatible with Android, Chrome OS, IEEE 802.3, IEEE 802.3u, IEEE 802.3ab. Supports IEEE 802.3az (Energy Efficient Ethernet). Does not support Windows RT and Android. (Not compatible with Nintendo Switch). )
SUPERIOR STABILITY - Built-in advanced IC chip acts as a bridge between RJ45 Ethernet cable and USB 3.0 devices. Driver-free installation with native driver support on Chrome, Mac and Windows OS. The USB Ethernet Adapter Dongle supports key performance features such as Wake-on-Lan (WoL), Full-Duplex (FDX), Half-Duplex (HDX) Ethernet, Crossover Detection, Back Pressure Routing, Auto Correction (Auto MDIX)
Incredible Performance-Supports full 10/100/1000Mbps Gigabit Ethernet performance on USB 3.0 5Gbps bus, faster and more reliable than most wireless connections. Link and Activity LEDs No USB power, no external power needed. Backward compatible with USB 2.0 /1.1 Actual speed depends on the speed of the device and Ethernet. Always use a CAT6 or higher Ethernet cable to reach 1Gbps
COMPACT DESIGN - The portable Benfei USB to Ethernet adapter with compact design allows you to connect your computer or tablet to a router, modem, or network switch for a network connection. Add a standard RJ45 port to your Ultrabook, Notebook, or Macbook Air for file transfer, video conferencing, gaming and HD video streaming. USB ethernet adapter contains drivers inside the built-in flash, usually plug in and use. However, some OS versions may block installation for security reasons. Please install it manually
18 MONTH WARRANTY - Exclusive BENFEI unconditional 18-month warranty guarantees long-term satisfaction of your purchase. Friendly and easy-to-reach customer service to solve problems timely

￥1,499
07

TP-Link
26% Off

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TP-Link Wired LAN Adapter Gigabit Ethernet Compatible with Nintendo Switch/Windows/Linux/macOS UE306
9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

[USB 3.0 Compatible] Compatible with the latest USB 3.0 standard
[Features] Allows you to connect to a wired network via USB USB 3.0 compatible Compatible with Nintendo Switch
[Compact Design] Foldable and easy to carry
Gigabit Wired LAN Port: Equipped with a Gigabit port that supports standard values up to 1,000 Mbps
Compatible Devices: Compatible with Windows 10/8.1, Linux, Nintendo Switch

￥1,209 ￥1,628 26% Off
08

UGREEN

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UGREEN USB C Wired LAN Adapter, 6-in-1 LAN Hub with LAN Port, USB-C to RJ45 Gigabit Ethernet, 10Gbps, Ultra Fast Transfer, Type C*2 + USB A*2, Expansion, Compatible with Surface/XPS/Mac OS/Windows
8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

▶【Wide Compatibility】: This USB C LAN hub is compatible with Windows 11/10/8.1/8, Linux, Mac OS, and iOS, with no driver required for plug & play operation, super easy! Has wide compatibility and is compatible with most Type-C devices such as MacBook Pro/Air, Dell XPS 17/15/13, Mac Mini 2023, iPhone 15/15 Plus/15 Pro/15 Pro Max, etc ※⚠️You need to install the driver for Windows XP/7/Vista and Linux, so please follow our instructions to install it before use
▶【LAN Port Not Recognized Even When Connected】 1. When connecting numerous external devices to the lower ports, it is recommended to use a 5V/2A USB-C power adapter in conjunction 2. The lower ports have over-current protection Up to 2 2.5-inch SSDs can be connected simultaneously to the USB ports Exceeding this will activate the over-current protection, causing the device to disconnect and become unrecognizable 3. Disconnect all external devices connected to the wired adapter and connect only the USB port or RJ45 port to check if it works properly 4. If you can verify it in another environment on a different computer, please do so as well
▶【Ensure stable operation】: UGREEN's PC network adapter features a USB Type C 5V 3A power port Even with all ports loaded, the product can be powered and achieve stable performance (Note: The built-in USB charging port cannot charge host devices such as laptops, smartphones, etc )
▶【Attention to detail】: This Ethernet adapter is made of robust aluminum alloy, ensuring durability Smooth to use with excellent protection Weighing only 74g, it is easy to carry and convenient for various locations such as business trips, home, office, and travel
▶【6-in-1 USB Hub LAN Adapter】: UGREEN USB C Wired LAN Adapter has a powerful array of ports for connecting high-speed peripherals With 2* USB-C 3.2, 1* USB-A 3.2, 1* USB-A 2.0, 1Gbps Ethernet port, it realizes high-speed wired network so you can get the job done easily and efficiently
▶【24-Month Warranty Period】Products purchased from our store come with a 24-month warranty service We offer a 24-month warranty from the date of purchase of the product to the date of the incident Please note: If intentional damage by the customer or a third party is found, it will not be covered by the warranty
▶【10Gbps Ultra-High Speed Transfer Rate】: Compatible with USB 3.2 Gen 2 connection, data transfer speed is 2x faster compared to USB 3.0, achieving a transfer speed of up to 10Gbps (theoretical value)! Copy high resolution photos and large capacity video data at high speed! ※The speed notations mentioned are theoretical values based on specifications or measured values in our test environment
Note: The USB C Wired LAN Adapter is equipped with a USB C power port, but please note that this product can only power the LAN adapter and cannot supply power to the connected device

￥2,899
09

BENFEI
15% Off

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BENFEI Wired LAN Adapter USB-C to Ethernet Adapter, USB Type-C (Thunderbolt 3/4) - 10/100/1000Mbps High-Speed RJ45 Gigabit Ethernet LAN Network Adapter Compatible with iPhone 15 Pro/Max, MacBook Pro
8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

【Wide Compatibility】Compatible with iPhone 15 series, MacBook Pro 16 inch/15 inch (2023/2022/2021/2020/2019/2018/2017), MacBook (2019/2018/2017), MacBook Air 13 inch (2022/2018), iPad Pro (2022/2020/2018); XPS 13/15/17; Surface Book 2; Google Pixelbook, Chromebook, Pixel, Pixel 2; ASUS ZenBook Compatible with Samsung S20/S10/S9/S8/S8+, Note 8/9, Galaxy Tablet Tab A 10.5 and many other USB-C laptops, tablets and smartphones (❗Not compatible with Nintendo Switch )
【Surfing at Full Speed】Provides stable connection speeds of up to 1Gbps Backward compatible with 100 Mbps/10 Mbps networks Our Type-C to LAN Gigabit Ethernet (RJ45) network adapter supports massive downloads at maximum speed without interruption (Please use CAT6 or higher Ethernet cables to get stable speeds of up to 1Gbps )
【Reliable and Durable Connectivity】Specially designed for plug-and-play connections between USB-C (❗not Lightning interface) devices and wired networks, providing Gigabit Ethernet connection even when wireless connections are unstable or over-extended
【Compact & Friendly Design】Compact and lightweight, the user-friendly anti-slip design makes plugging and unplugging easy Braided nylon cable for enhanced durability Premium aluminum case that achieves excellent insulation Fits perfectly into the USB-C port of your device, enhancing signal transmission protection
【18-Month Warranty】: BENFEI offers a unique unconditional 18-month warranty to ensure long-term satisfaction with your purchase Friendly and accessible customer service to resolve issues in a timely manner

￥1,359 ￥1,599 15% Off
10

MSL　FORCE

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Reliable Japanese Corporation USB-C Magnetic Adapter RJ45 Wired LAN 1000Mbps Gigabit Ethernet Adapter USB 3.1 Type-C Network Converter (37 Series [E] LAN Port to USB-C, Nickel Plated Connectors)
8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

【注意事項】※We cannot be held responsible for any damage or accidents that may occur while using the product ※Depending on the time of purchase, there may be slight discrepancies in size, weight, color, and design Thank you for ※The product image may appear slightly different in color due to the monitor, screen environment, lighting, etc., that the customer is viewing it on In the unlikely event of a quality issue due to manufacturing, we will replace it with an equivalent item. Please note that we cannot be held responsible for any other issues ※Please note that this product is primarily compatible with PCs and monitors. If connected to a car navigation system or other car devices, it may result in an error
【Power Efficient & Wide Compatibility】Compact bus-powered design, no external power supply required Compatible with all USB-C power-saving models Additionally, it supports Wake-On-LAN functionality and Green Ethernet
【Latest standard compliance & high-efficiency processing】Complies with IEEE 802.3AZ (Energy Efficient Ethernet) to reduce power consumption Equipped with an IPv4/IPv6 packet checksum offload engine (COE) to reduce CPU load
【High-speed & stable wired network connection】Instant access to 10/100/1000Mbps Gigabit wired network from the USB-C port Complies with USB-C standard, ensuring stable and high-speed communication

￥1,680

10 Best usb network adapters in 日本

Planex USB-Type A Multi-Gigabit (Supports 2.5Gbps) Wired LAN Adapter USB-LAN2500R3

UGREEN Wired LAN Adapter 2.5Gbps Super High-Speed Communication USB Type C to RJ45 2500Mbps USB LAN Conversion Adapter Ethernet Adapter Gigabit LAN Cable Compatible with iPhone Series/MacBook Pro/iPad

UGREEN USB LAN Wired LAN Adapter Switch Wired LAN USB 3.0 to RJ45 Gigabit Ethernet 10/100/1000Mbps Super High Speed Switch Operation Confirmed Black

UGREEN Wired LAN Adapter 2.5Gbps USB LAN Converter Adapter USB A 3.2 Gen 1 2500Mbps Ethernet Adapter Gigabit Ethernet Compatible with Windows/Mac OS

UGREEN USB LAN Adapter 1000Mbps High Speed Switch Wired LAN USB3.0 to RJ45 for Windows and Mac OS Gigabit Ethernet Aluminum Case for Gaming and Internet Conferencing (Black)

BENFEI Wired LAN Adapter, USB A/C to Gigabit Ethernet Adapter, USB 3.0/C -10/100/1000Mbps High Speed RJ45 Gigabit Ethernet LAN Network Adapter Compatible with MacBook Pro 2022/2021/2020, MacBook Air and More

TP-Link Wired LAN Adapter Gigabit Ethernet Compatible with Nintendo Switch/Windows/Linux/macOS UE306

UGREEN USB C Wired LAN Adapter, 6-in-1 LAN Hub with LAN Port, USB-C to RJ45 Gigabit Ethernet, 10Gbps, Ultra Fast Transfer, Type C*2 + USB A*2, Expansion, Compatible with Surface/XPS/Mac OS/Windows

BENFEI Wired LAN Adapter USB-C to Ethernet Adapter, USB Type-C (Thunderbolt 3/4) - 10/100/1000Mbps High-Speed RJ45 Gigabit Ethernet LAN Network Adapter Compatible with iPhone 15 Pro/Max, MacBook Pro

Reliable Japanese Corporation USB-C Magnetic Adapter RJ45 Wired LAN 1000Mbps Gigabit Ethernet Adapter USB 3.1 Type-C Network Converter (37 Series [E] LAN Port to USB-C, Nickel Plated Connectors)

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UGREEN USB C Wired LAN Adapter, 6-in-1 LAN Hub with LAN Port, USB-C to RJ45 Gigabit Ethernet, 10Gbps, Ultra Fast Transfer, Type C2 + USB A2, Expansion, Compatible with Surface/XPS/Mac OS/Windows