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Overview

The Anker PowerExpand USB-C to 2.5GbE Ethernet Adapter brings a fast and stable wired network connection to any USB-C laptop or desktop. With support for 2.5Gbps speeds, it offers up to 2.5 times the bandwidth of standard Gigabit Ethernet, making it ideal for NAS transfers, online gaming, and large file downloads. The adapter uses a Realtek RTL8156BG controller and works plug-and-play on Windows, macOS, and Chrome OS without driver installation. Its aluminum-alloy body helps dissipate heat during extended use, and the short 15cm cable keeps the adapter close to your laptop without adding clutter.

Connectivity & Compatibility

Interface: USB-C (USB 3.2 Gen1 / USB 3.0 / USB 2.0 backward compatible) Network standards: IEEE 802.3bz (2.5GBASE-T), IEEE 802.3ab (1000BASE-T), IEEE 802.3u (100BASE-TX) OS support: Windows 10/11, macOS 10.15+, Chrome OS (driverless) Note: For full 2.5Gbps performance, a compatible 2.5GbE switch or router is required. Connecting to a USB 2.0 port will limit speed to 100Mbps.

Product Info

Released in 2023, the PowerExpand adapter sits in the mid-range price tier at around $35–$45. Anker provides an 18-month warranty (extendable via registration). The package includes only the adapter itself; a separate Ethernet cable is needed. It is widely available on and the official Anker store.

Best Use Cases

Users who experience unstable Wi-Fi on their laptop and want a reliable wired connection Professionals who frequently transfer large files to/from a NAS or file server Gamers and remote desktop users who need low latency and consistent throughput MacBook Air/Pro owners with only USB-C/Thunderbolt ports who need wired Ethernet

Product Disclosure (Amazon)

  • Manufacturer: サムスン(SAMSUNG)
  • Seller: Kk-shop
  • Fulfilled by: Kk-shop
  • ASIN: B0DX2FN49V
  • Note: This article covers a manufacturer-made product based on Amazon listing details.