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Plugable USBC-E2500

Plugable USBC-E2500 2.5G USB-C and USB-A Ethernet adapter, black, on a white background

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USBC-E2500 single-unit, USB-C with USB-A conversion, black

Ethernet port:
1x 2.5GBASE-T RJ45 (2.5 Gbps; also works at 1 Gbps and lower)
Chipset:
Realtek RTL8156B USB Multi-Gig Ethernet
Host connection:
Hybrid 2-in-1 USB-C connector that converts to USB 3.0 (5 Gbps) USB-A; also works over Thunderbolt 3/4. USB 3.0 required for full 2.5G performance; USB 2.0 runs at reduced speed

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Package details

Model: USBC-E2500

Single USB-C 2.5GbE adapter that converts to USB-A; no charging passthrough.

Condition:
Confirm new or reconditioned on the listing
Quantity:
1 unit
Included essentials:
1x USB 2.5Gbps Ethernet adapter with USB-C to USB-A adapter

Important limit: Needs USB 3.0 or better for full 2.5 Gbps; on USB 2.0 it runs at reduced speed

How many units?

Confirm condition, quantity and included accessories on the retailer’s listing.

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Specifications checked November 5, 2026. Full product details

Size and package

Size and placement

Dimensions
0.6 x 1.4 x 3 in (1.5 x 3.5 x 7.5 cm), 1.5 oz (42 g)

In the box

1x USB 2.5Gbps Ethernet adapter with USB-C to USB-A adapter

Manufacturer specifications

Plugable 2.5G USB-C and USB to Ethernet Adapter (USBC-E2500)

A bus-powered USB 2.5GbE adapter with a hybrid USB-C/USB-A connector and a Realtek RTL8156B chipset that works on existing Cat 5e cabling.

Which version should you buy?

Selected package: USBC-E2500 single-unit, USB-C with USB-A conversion, black.

Selected package

  • USBC-E2500 (this adapter)

    This page

    Model: USBC-E2500

    What differs
    Single USB-C 2.5GbE adapter that converts to USB-A; no charging passthrough.
    Best for
    Adding 2.5GbE to a laptop or desktop over USB-C or USB-A.
    Check price on Amazon

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Watch out

  • Plugable also sells a USB-C 2.5GbE adapter with 100W charging passthrough and a USB-C 5Gbps adapter; those are different models.
  • Plugable's USB-C 1Gbps adapters (ASIX and Realtek versions) top out at Gigabit, not 2.5 Gbps.

Why people pick it

  • 2.5 Gbps over existing Cat 5e cabling, so a network can be upgraded without new cable runs
  • Hybrid USB-C/USB-A connector fits USB-C laptops and older USB 3.0 ports without a separate dongle
  • Broad OS support: Windows, macOS, ChromeOS, Linux and USB-C iPhones (iOS 17+)
  • Plug-and-play on modern Windows and macOS, with Wake-on-LAN, EEE and 9K jumbo frames (Windows)

Know before you buy

  • Needs USB 3.0 or better for full 2.5 Gbps; on USB 2.0 it runs at reduced speed
  • Full 2.5Gbps speed also requires 2.5Gbps-capable switches or routers and a fast host
  • Jumbo frames are not supported on macOS
  • Linux kernels before 5.x need a driver install for full support

Full specifications

Ethernet port1x 2.5GBASE-T RJ45 (2.5 Gbps; also works at 1 Gbps and lower)
ChipsetRealtek RTL8156B USB Multi-Gig Ethernet
Host connectionHybrid 2-in-1 USB-C connector that converts to USB 3.0 (5 Gbps) USB-A; also works over Thunderbolt 3/4. USB 3.0 required for full 2.5G performance; USB 2.0 runs at reduced speed
Cabling2.5 Gigabit Ethernet designed to work on Cat 5e cabling or better, so existing cables can be kept when upgrading switches or routers
FeaturesWake-on-LAN (WoL), Energy-Efficient Ethernet (EEE), 9K jumbo frames (jumbo frames on Windows only; not supported on macOS)
LEDsOrange solid link LED, white blinking activity LED
PowerBus powered via USB; 5V, 190mA, 0.95W (no power adapter)
Compatible operating systemsWindows 7 and above, macOS 10.7 and above, ChromeOS (up to date), Linux kernel 3.2 and newer (basic; install driver or use 5.x kernel for full support), iPhone 15/16/17/17e Air and Pro models with iOS 17 or newer
DriversWindows 10/11 installs drivers automatically via Windows Update; macOS 11+ uses the built-in NCM driver with no install
Dimensions0.6 x 1.4 x 3 in (1.5 x 3.5 x 7.5 cm), 1.5 oz (42 g)
In the box1x USB 2.5Gbps Ethernet adapter with USB-C to USB-A adapter
Warranty2-year coverage against defects, with lifetime technical support from Plugable's North American-based team

From manufacturer documentation, checked November 5, 2026. Spotted an error? Tell us.

Alternatives to consider

D-Link DUB-E250 USB-C to 2.5G Ethernet Adapter

D-Link DUB-E250

Fastest wired port
2.5 Gbps

A compact USB-C adapter that adds a 2.5 GbE Ethernet port to laptops and desktops, with bus power and plug-and-play driver setup.

  • Multi-gig internet
  • Home office
  • Budget
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