This article covers プラグ可能 2.5Gbps USB C.

Overview

The Plugable 2.5Gbps USB-C & USB-A Ethernet Adapter is a dual-interface wired LAN adapter that brings 2.5Gbps connectivity to modern laptops and tablets. With both USB-A 3.0 and USB-C inputs built into a single unit, it eliminates the need for separate adapters or dongles when switching between devices. Powered by the Realtek RTL8156BG chipset, this adapter delivers up to 2.5 times the throughput of standard Gigabit Ethernet. It supports plug-and-play operation on Windows 10/11 and macOS, making it a straightforward upgrade for anyone stuck with unreliable Wi-Fi or missing Ethernet ports on thin-and-light notebooks.

Connectivity & Compatibility

Interfaces: USB-A 3.0 (5Gbps) and USB-C (compatible with Thunderbolt 4/3) Supported devices: Windows laptops, MacBook Air/Pro, iPad (USB-C models), Dell XPS, Surface Pro, iPhone 15/16 series Network standards: IEEE 802.3bz (2.5GBASE-T), 1000BASE-T, 100BASE-TX, 10BASE-T Cable requirement: Cat6 or higher Ethernet cable is recommended to achieve full 2.5Gbps speed * Infrastructure note: The router or switch must also support 2.5Gbps to unlock the maximum speed; the adapter will fall back to 1Gbps in a Gigabit-only environment

Product Info

Released in late 2025, the Plugable 2.5Gbps adapter is priced around ¥11,800 on Japan. It comes with a 2-year manufacturer warranty. The package includes only the adapter itself; an Ethernet cable must be purchased separately. Positioned in the mid-range segment, this adapter stands out from single-port competitors (such as Anker's USB-C to Ethernet adapter) by offering both USB-A and USB-C connectivity in one compact body. The aluminum housing provides effective heat dissipation, and the Realtek chipset ensures broad driverless compatibility.

Best Use Cases

Users with laptops lacking built-in Ethernet ports: Many ultrabooks and premium notebooks have dropped the RJ45 jack. This adapter instantly adds a wired connection via either USB-A or USB-C, perfect for office desks, home offices, or hotel rooms where Wi-Fi is unreliable. Creative professionals working with NAS or large file transfers: If you have a 2.5Gbps-capable NAS, this adapter can roughly double your transfer speeds compared to Gigabit Ethernet. Video editors, photographers, and backup-heavy workflows will see noticeable time savings. Online gamers seeking lower latency: Wired Ethernet eliminates Wi-Fi interference and jitter, providing a more consistent connection for competitive gaming. Titles like first-person shooters and fighting games benefit the most from reduced lag. This adapter is less suitable for: Users whose home network is limited to 1Gbps with no plans to upgrade — a cheaper Gigabit-only adapter would suffice. * Those who prioritize ultra-portability — the aluminum body adds some weight compared to tiny USB-C dongles.

Product Disclosure (Amazon)

  • Manufacturer: YUEHISY
  • Seller: Amazon US
  • Fulfilled by: Amazon US
  • ASIN: B0GS9PVVS7
  • Note: This article covers a manufacturer-made product based on Amazon listing details.