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StarTech US2GC30 USB-C to 2.5GbE Ethernet Adapter, NBASE-T, Realtek RTL8156BG, Thunderbolt 3 Compatible

Price:

$ 76.81


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StarTech US2GC30 USB-C to 2.5GbE Ethernet Adapter, NBASE-T, Realtek RTL8156BG, Thunderbolt 3 Compatible

https://arcip.com.au/web/image/product.template/17440/image_1920?unique=ea2f4e7

The StarTech US2GC30 is a USB-C (5Gbps) to 2.5GbE Ethernet adapter that connects a laptop to 2.5G, 1G or 100 Mbps networks, using NBASE-T for 2.5 Gbps over existing Cat5e cabling. It uses the Realtek RTL8156BG chipset, is bus-powered and works with USB-C and Thunderbolt 3 ports. USB-C 3.2 Gen 1 (5Gbps) to one RJ45 port; Thunderbolt 3 compatible. 2.5Gbps multi-gigabit with 3-speed 2.5G/1G/100 Mbps auto-negotiation; NBASE-T and 2.5GBASE-T. NBASE-T gives 2.5 Gbps over existing Cat5e cables without upgrading to Cat6A or fibre. Realtek RTL8156BG; 9K jumbo frames (no longer supported in macOS), Wake-on-LAN, VLAN; bus-powered. Windows 7 and up, Windows Server 2008 R2 and up, Linux LTS kernel 4.19+, macOS 10.11 to 11, iOS (iPhone 15 and up). 2-year warranty. Genuine StarTech from ARC IP Networks, authorised StarTech reseller with Australian stock.

$ 76.81 76.81 AUD $ 76.81 incl. GST

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    Authorised Australian Reseller | Australian Stock | Genuine Local Warranty

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  • [Warranty Information] Warranty
    Manufacturer Warranty 
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Estimate delivery times: 3-7 business days 
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SKU
US2GC30
Barcode
065030867818

StarTech US2GC30 at a glance

The StarTech US2GC30 is a USB-C (5Gbps) to 2.5GbE Ethernet adapter that connects a laptop to 2.5G, 1G or 100 Mbps networks, using NBASE-T for 2.5 Gbps over existing Cat5e cabling. It uses the Realtek RTL8156BG chipset, is bus-powered and works with USB-C and Thunderbolt 3 ports.

ARC IP Networks is an authorised StarTech reseller in Australia. We supply the StarTech US2GC30 from Australian stock.

HostUSB-C 5Gbps
Speed2.5G/1G/100M
Port1x RJ45
PowerBus powered

Best for

  • Laptops on 2.5G switches or NAS
  • Content creators moving large files
  • Faster wired links over existing Cat5e

Key features

USB-C 3.2 Gen 1 (5Gbps) to one RJ45 port; Thunderbolt 3 compatible.

2.5Gbps multi-gigabit with 3-speed 2.5G/1G/100 Mbps auto-negotiation; NBASE-T and 2.5GBASE-T.

NBASE-T gives 2.5 Gbps over existing Cat5e cables without upgrading to Cat6A or fibre.

Realtek RTL8156BG; 9K jumbo frames (no longer supported in macOS), Wake-on-LAN, VLAN; bus-powered.

Windows 7 and up, Windows Server 2008 R2 and up, Linux LTS kernel 4.19+, macOS 10.11 to 11, iOS (iPhone 15 and up).

2-year warranty.

StarTech US2GC30 specifications

StarTech US2GC30 technical specifications
SpecificationValue
General
ModelUS2GC30
UPC065030867818
ColourSpace Grey
Warranty2 Years
Industry StandardsIEEE 802.3i 10BASE-T; IEEE 802.3ab 1000BASE-T; IEEE 802.1q VLAN Tagging; IEEE 802.3x; IEEE 802.3u 100Base-TX; IEEE 802.3bz 2.5GBase-T
Specifications
Input Voltage5V DC
Network Adapter Form FactorAttached Cable
Compatible Networks2.5G/1G/100Mbps/10Mbps
Jumbo Frame Support9K max.
Wake-On-LAN (WOL)Yes
ChipsetRealtek RTL8156BG
Connectors
Connector 1 (Quantity)1
Connector 1USB-C (5Gbps, 4.5W)
Connector 2 (Quantity)1
Connector 2RJ-45
Power
Power SourceUSB-Powered
Cable
Cable Length13.5 cm
Environmental
Operating Temperature0 to 70°C
Humidity5% to 90 % RH (no condensation)
Physical
Product Length24.5 cm
Product Width27.0 mm
Product Height17 mm
Weight of Product41 g
Packaging
Package Width16.2 cm
Package Depth12.2 cm
Package Height33 mm
Shipping (Package) Weight94 g

Figures from StarTech's official product information.

What's in the box

  • 1 x USB-C Network Adapter
  • 1 x Quick-Start Guide

The StarTech US2GC30 in depth

2.5G from a USB-C port

The US2GC30 more than doubles Gigabit throughput for laptops connected to 2.5G switches or NAS units, and falls back to 1G or 100 Mbps on older networks.

Frequently asked questions

Straight answers about the StarTech US2GC30 from the ARC IP Networks team. Last reviewed October 2026.

2.5 Gbps, 1 Gbps and 100 Mbps with auto-negotiation.

No. StarTech says NBASE-T delivers 2.5 Gbps over existing Cat5e cables.

Yes. It is a USB-C adapter that is Thunderbolt 3 compatible.

No. It is bus-powered.

StarTech lists a 2-year warranty.

ARC IP Networks is an authorised StarTech reseller and supplies the US2GC30 from Australian stock.

Explore more StarTech: Network Cables & Adapters

Buy the StarTech US2GC30 in Australia

ARC IP Networks is an authorised StarTech reseller, supplying StarTech products to homes, businesses and integrators across Australia.

  • Genuine StarTech with the full manufacturer's warranty.
  • Australian stock, shipped Australia-wide.
  • Local pre-sales help choosing the right model.
  • Trade and project pricing available.

Need help choosing StarTech?

Ask ARC IP Networks for project pricing or a quote, or call us to check the right StarTech model for your site.

Brand StarTech

Accurate Shipping Costs

Our online shipping calculator is designed to provide a final, accurate shipping cost based on the items in your cart and your delivery postcode. Shipping costs are calculated at checkout based on your order and delivery postcode. The final cost is calculated based on several factors which are automatically accounted for by our system, including:

  • The stock location of the item(s) across our warehouses.
  • Orders with multiple items that may require special packaging.
  • The weight and dimensions of the order (including heavy or oversized items).
  • The delivery courier servicing your specific region.

Delivery Times


 

Standard Processing


Most orders placed by 2pm AEDT are dispatched for next working day delivery. Larger orders may require 1-2 additional business days for processing. If timing is critical, please contact us to discuss expedited options (additional charges may apply).


Delivery Timeframes


Region

Processing Time

Express Delivery

Standard Delivery

VIC, NSW, SA, QLD Metro, TAS

1-2 business days

1-2 business days

2-4 business days

NT, WA, QLD Rural

1-2 business days

1-2 business days

3-5 business days

New Zealand

1-2 business days

2-3 business days

4-10 business days

Please note: Processing times may extend during peak periods such as Christmas and end of financial year.

Free Warehouse Pickup



Save on shipping costs with free pickup from our ARC IP Networks Blackburn warehouse. Simply place your order online or by phone, and collect during business hours (Monday to Friday). Please allow time for picking and packing. For urgent orders, call 1300 100 440 to confirm your order is ready.

ARC IP Networks Pickup Address: 6 George Street, Blackburn, VIC 3130


Insurance & Tracking



All ARC IP Networks shipments are fully insured and trackable. Once dispatched, you'll receive an email with your tracking number and courier website details. If your item is confirmed lost or damaged by our courier, we'll arrange a replacement in consultation with you.


International Shipping



ARC IP Networks ships to New Zealand. Please note:


  • Import duties and taxes vary by country
  • Buyers are responsible for all customs charges
  • Contact your local customs authority before ordering
  • We'll provide required documentation for smooth customs clearance
  • Buyers cover all shipping costs for returns due to refused duties/taxes


Delivery Requirements


Signature Required


All deliveries must be signed for. If you won't be home, contact our Sales Support team to arrange Authority to Leave. Important: Authority to Leave voids shipping insurance if parcels are lost or stolen.


Delivery Restrictions


We do not deliver to PO Boxes or Parcel Lockers as our couriers cannot access them. Orders sent to these addresses will be returned, incurring redelivery fees.


Shipping Issue Resolution


ARC IP Networks works closely with our shipping partners to resolve any delivery issues quickly and fairly:


  1. Confirmation: We verify expected delivery dates with our shipping partners
  2. Investigation: Issues outside normal timeframes trigger formal investigations
  3. Communication: We keep you updated throughout the resolution process
  4. Resolution: Confirmed lost items are replaced or refunded after investigation completion


Please note: Refunds for lost, missing, or delayed orders cannot be processed until shipping partner investigations are complete. This does not affect your rights under the Australian Consumer Law, and refunds or replacements will be provided where required once loss or damage is confirmed.

Warranty & Faulty Products

ARC IP Networks complies with the Australian Consumer Law (ACL).

If a product is faulty, damaged, not of acceptable quality, or does not perform as advertised, you are entitled to a repair, replacement, or refund in accordance with ACL.

Manufacturer Warranty Returns

For faults developing after 14 days within the warranty period:

  • Contact ARC IP Networks first at info@arcip.com.au or 1300 100 440
  • We will assess the issue and coordinate with manufacturers, authorised service centres, or distributors on your behalf
  • Where required, a manufacturer RMA may be arranged
  • ARC IP Networks manages the return process and next steps

Dead on Arrival (DOA)

Products that arrive faulty or damaged must be reported within 14 days of delivery.

ARC IP Networks will arrange assessment, replacement, or refund as appropriate.

Change of Mind & Non-Faulty Returns

Change-of-mind returns must be requested within 14 days of delivery. For change-of-mind returns, the product must be unused, unopened, in its original packaging, and returned with all accessories and documentation. These conditions apply only to change-of-mind returns and do not limit or exclude your rights under the Australian Consumer Law. Some products are not eligible for change-of-mind returns, including:

  • Ex-demo products
  • Clearance or markdown items
  • Special-order items
  • Products clearly marked “No Change-of-Mind Returns”

Important

This does not affect your rights under Australian Consumer Law.

If a product is faulty, not of acceptable quality, or does not meet advertised specifications, it remains eligible for return regardless of category.

Refunds & Processing Timeframes

  • Approved refunds are processed within 7 business days of receiving returned goods
  • Refunds are issued to the original payment method, unless otherwise agreed
  • Replacement or repair may be offered where appropriate
  • Store credit may be offered only with customer consent

Handling fees and non-returnable service charges may not be refundable where permitted by law.


Restocking Fees

For approved change-of-mind or non-faulty returns, a 15% restocking fee applies.

  • Any applicable restocking fee will be clearly communicated prior to return approval
  • The fee will be deducted from the refund amount
  • Restocking fees do not apply to returns made under the Australian Consumer Law, including faulty, damaged, or misrepresented goods.

Return Shipping Costs

  • Change-of-mind returns: The customer is responsible for return shipping costs.
  • Faulty or defective products: ARC IP Networks covers return shipping under Australian Consumer Law.

Non-Warranty Repairs

For issues not covered by warranty:

  • ARC IP Networks will provide a quote before proceeding
  • Customers are responsible for all shipping and service costs
  • No repairs are undertaken without customer approval

Return Methods

Returns may be made:

  • In-store at ARC IP Networks – 6 George Street, Blackburn VIC 3130
  • Or by shipment as instructed by our support team

Proof of purchase is required for all returns.

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