STC US2GC30 - Startech .com USB 3.0 Type-C to 2.5 Gigabit | Aztek Computers
29+Years
SKU: DWN59SY751 |  Mfg. Part: STC US2GC30  | UPC: 065030867818  |  0 Reviews  |     Share

STC US2GC30 - Startech .com USB 3.0 Type-C to 2.5 Gigabit Ethernet Adapter - 2.5GBase-T - USB 3.0 Type C - Realtek RTL81

31 Available
Condition: New

$62.77  $84.74
Free Shipping for this Item

Product Overview

2.5 GIGABIT NBASE-T NETWORK DONGLE

Expert Overview

The StarTech.com USB 3.0 Type-C to 2.5 Gigabit Ethernet Adapter provides wired network connectivity for devices lacking an integrated Ethernet port. This portable adapter is designed for business and IT professionals who require reliable, high-speed network access, particularly in environments where wireless connectivity is unstable or insufficient for bandwidth-intensive tasks. Utilizing a USB 3.0 Type-C connection, it offers 2.5GBase-T Ethernet capabilities, supporting data rates of 2.5 Gbps, 1 Gbps, and 100 Mbps through auto-negotiation. It integrates the Realtek RTL8156BG chipset for stable performance. This adapter is suitable for laptops or other compatible devices that need to connect to a wired network via a standard RJ45 LAN cable, such as CAT 5E. The STC US2GC30 part number identifies this specific model, a practical solution for enhancing network throughput and stability.

Technical Specifications

R CAT 5E/RJ45/LAN CABLE - 3 SPEED 2.5G/1G/100 MBPS - AUTO-NEGOTIATION FOR MAX BA

Product Details

  • Manufacturer:
  • Model Number:
  • UPC:
  • Condition:
  • Weight:
  • Dimensions:
  • Updated:
  • Added:
  • STARTECH
  • STC US2GC30
  • 065030867818
  • New
  • 3.22 lbs
  • 6 X 1 X 5
  • Today - Aug 14, 2026
  • Aug 08, 2026
Product Identifiers: Brand: Startech • Part #: STC US2GC30 • UPC: 065030867818 • Category: Laptop Network Cards

Frequently Asked Questions

What type of network cable is compatible with this adapter?

This adapter is compatible with standard RJ45 LAN cables, specifically recommending CAT 5E for optimal performance.

What network speeds does this adapter support?

The adapter supports three network speeds: 2.5 Gigabit (2.5G), 1 Gigabit (1G), and 100 Mbps. It features auto-negotiation to achieve the maximum available bandwidth.

What is the primary use case for this adapter?

This adapter is designed for users who need to add a wired 2.5 Gigabit Ethernet port to a device that only has a USB 3.0 Type-C port, such as a laptop. It is suitable for scenarios requiring stable, high-speed network access.

What chipset does this adapter use?

The adapter utilizes the Realtek RTL8156BG chipset for its Ethernet functionality.

STC US2GC30 - Startech .com USB 3.0 Type-C to 2.5 Gigabit Ethernet Adapter - 2.5GBase-T - USB 3.0 Type C - Realtek RTL81

Confirm you're human, then submit:

Reviews for Startech STC US2GC30

$62.77