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Small black USB-C dongle with attached USB-A adapter and RJ45 port

Plugable Technologies

Plugable Technologies USBC-E2500 2.5G USB-C USB 3.0 Ethernet adapter

SKU CH-WRP5-D7021 MPN USBC-E2500

Adds 2.5 Gigabit Ethernet over USB-C or USB 3.0 with an attached hybrid cable, using existing Cat 5e cabling and Realtek RTL8156 chipset

  • TypeUSB C, USB 3.0, RJ45
  • Changer TypeUSB C or USB 3.0 to Ethernet
  • Thunderbolt 3Yes
  • ColorBlack
  • Connector StyleUSB C Male, USB 3.0 Male, RJ45 Female
  • 5 Gbps link doubles local network speed using existing Cat 5e cables
  • Hybrid USB-C and USB-A connector fits both port types without extra dongles
  • Realtek RTL8156 chipset delivers 2500 Mbps auto-negotiated rates with 9k jumbo frames
  • Works on Windows 7 through 11, macOS 10.7+, Linux kernel 3.2+ and iPhone 15 models
  • Thunderbolt 3 compatible for high-bandwidth docking and adapter chaining

Faster Than Gigabit Ethernet

This 2.5 Gigabit USB Ethernet adapter doubles traditional Gigabit performance when paired with 2.5Gbps-capable switches or routers. The hybrid 2-in-1 cable converts from USB-C to USB-A, providing the right connection for any system with an available USB 3.0 or USB-C port. It leverages existing Cat 5e cabling for a cost-effective network upgrade.

Check Port And Driver Requirements

Verify your system has a USB 3.0 or USB-C port; USB 3.0 is required for full 2.5Gbps performance. Driver download and installation may be necessary on older operating systems or Linux kernels earlier than 3.2. Some core features on macOS also require a driver install, while most modern operating systems offer plug-and-play functionality.

Sustained Load With Jumbo Frame Support

The Realtek RTL8156 chipset supports 9k Jumbo Frames, Auto MDI-X, and IEEE 802.1Q VLAN support depending on the operating system. Link rates include 100Mbps, 1000Mbps, and 2500Mbps with auto-negotiation for stable throughput during extended file transfers and streaming. Power and activity LEDs provide visual link status confirmation.

Highlights

  • 5 Gbps link doubles local network speed using existing Cat 5e cables
  • Hybrid USB-C and USB-A connector fits both port types without extra dongles
  • Realtek RTL8156 chipset delivers 2500 Mbps auto-negotiated rates with 9k jumbo frames
  • Works on Windows 7 through 11, macOS 10.7+, Linux kernel 3.2+ and iPhone 15 models
  • Thunderbolt 3 compatible for high-bandwidth docking and adapter chaining

Specifications

BrandPlugable Technologies
ModelUSBC-E2500
Part NumberUSBC-E2500
TypeUSB C, USB 3.0, RJ45
Changer TypeUSB C or USB 3.0 to Ethernet
Thunderbolt 3Yes
ColorBlack
Connector StyleUSB C Male, USB 3.0 Male, RJ45 Female
Shipping weight0.10 kg
Package size173 × 110 × 25 mm

Questions about this item

Does the USBC-E2500 come with both USB-C and USB-A connectors, or do I need a separate adapter?

The adapter has an attached USB-C to USB-A converter, so it plugs directly into either a USB-C or USB 3.0 port without buying anything extra.

Should I choose this 2.5G model over a standard Gigabit adapter for my Cat 5e wiring?

Yes, the USBC-E2500 runs at 2500mbps on existing Cat 5e cabling when paired with a 2.5Gbps-capable switch or router, doubling traditional Gigabit speeds.

What real-world throughput can I expect from the 2.5Gbps rating on a Windows 11 laptop?

With the Realtek RTL8156 chipset and USB 3.0 bandwidth, the adapter negotiates at 2500mbps and supports 9k jumbo frames, delivering near-line-rate transfers on a 2.5Gbps network.

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