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ASUS XG-C100C 10G Network Adapter PCI-E x4 Card with Single RJ-45 Port and Built-in QoS for use with Windows 10/8.1/8/7 and Linux Kernel 4.4/4.2/3.6/3.2, TAA Compliant (XG-C100C)

ASUS XG-C100C 10G Network Adapter PCI-E x4 Card

Bottom line: The ASUS XG-C100C 10G Network Adapter PCI-E x4 Card: 10Gbps over RJ-45 copper, up to 10x faster than standard Gigabit Ethernet; main trade-off: single RJ-45 port only; no SFP+ fiber option.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ 10Gbps over RJ-45 copper, up to 10x faster than standard Gigabit Ethernet
  • ✓ Backward compatible with 5/2.5/1Gbps and 100Mbps networks
  • ✓ Built-in QoS prioritizes bandwidth for smoother online traffic
  • ✓ Works with Windows 10/8.1/8/7 and Linux kernels 3.2-4.4
  • ✓ Uses a standard PCIe x4 slot and copper Cat6 cabling; TAA compliant

Cons

  • ✗ Single RJ-45 port only; no SFP+ fiber option
  • ✗ Needs an open PCIe x4 slot, ruling out some compact builds
  • ✗ 10GBase-T needs Cat6a for full 10G at distance and runs warm

Manufacturer description

The ASUS XG-C100C uses fully backwards compatible, next-generation 10GBase-T (10G) networking technology to deliver speeds of up to 10Gbps –10x faster than standard Gigabit Ethernet. It enables ultra-fast 10Gbps network access for desktop PCs, so you can easily handle the most data-intensive tasks in your office or at home. Disclaimer: Actual data throughput and WiFi coverage will vary from network conditions and environmental factors, including the volume of network traffic, building material and construction, and network overhead, result in lower actual data throughput and wireless coverage.

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SpecPicks Verdict

SpecPicks scored ASUS XG-C100C 10G Network Adapter PCI-E x4 Card using a rating × review-volume × price-fit model applied to published specs and reviews across the retro networking cards category. Compare with similarly-priced alternatives in the retro networking cards category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for retro networking cards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • Hyper-fast 10Gbps networking delivers up to 10X-faster data-transfer speeds for bandwidth-demanding tasks
  • Full compatibility with current network standards, including 10/5/2.5/1Gbps and 100Mbps, for seamless backward compatibility
  • Windows and Linux support for flexible OS integration with Windows 10/8.1/8/7 and Linux Kernel 4.4/4.2/3.6/3.2
  • RJ45 port easily upgrades your desktop to 10Gbps networking using standard copper network Cables
  • Prioritize your data with built-in Quality-of-Service (QoS) technology, allowing you to prioritize bandwidth and supported data packets for a smooth online experience

Full Specifications

BrandASUS
ColorClear
Weight10g
Unit Count1 Count
Model NumberXG-C100C
CompatibilityLinux
Built-In MediaQuick start guide, Warranty card, XG-C100C 10G PCI_E Network Adapter, support CD (user manual and ultility)
Item Type NameASUS XG-C100C 10G Network Adapter PCI-E x4 Card with Single RJ-45 Port (XG-C100C)
Mfr Part NumberXG-C100C
Number of Items1
Compatible DevicesComputers
Data Transfer Rate10000 megabits_per_second
Hardware InterfaceEthernet
Warranty Description2 years warranty
Item Dimensions L x W x H4.73"L x 3.33"W x 0.81"H
Global Trade Identification Number00889349620045, 04712900620078
Full listing titleASUS XG-C100C 10G Network Adapter PCI-E x4 Card with Single RJ-45 Port and Built-in QoS for use with Windows 10/8.1/8/7 and Linux Kernel 4.4/4.2/3.6/3.2, TAA Compliant (XG-C100C)

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ASUS XG-C100C 10G Network Adapter PCI-E x4 Card with Single RJ-45 Port and Built-in QoS for use with Windows 10/8.1/8/7 and Linux Kernel 4.4/4.2/3.6/3.2, TAA Compliant (XG-C100C) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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ASUS XG-C100C 10G Network Adapter PCI-E x4 Card with Single RJ-45 Port and Built-in QoS for use with Windows 10/8.1/8/7 and Linux Kernel 4.4/4.2/3.6/3.2, TAA Compliant (XG-C100C)
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