Skip to main content
10Gtek 5Gb/s PCIe Network Card, 100M/2.5G/5G auto-Negotiation, for Windows 8/10/11, Windows Server 2016/2019/2022, Centos 7/8/9, VMware ESXi 6, Ubuntu 20/22, Freebsd 13/14
10Gtek

10Gtek 5Gb/s PCIe Network Card

Bottom line: The 10Gtek 5Gb/s PCIe Network Card is a specs-and-price decision rather than a crowd-consensus one in the retro networking cards category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

Check price on Amazon

As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →

Check price on Amazon → Compare to similar retro networking cards

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

  • ✓ Interface: PCIe x1 lane, operable in PCIe X1, X4, X8 and X16 slots, not for PCI slots.
  • ✓ Backed by 10Gtek's warranty and support channels

Cons

  • ✗ Check the listed dimensions, connectors and platform compatibility against your setup before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Related Products

Other products in this category you may like:

SpecPicks Verdict

SpecPicks scored 10Gtek 5Gb/s PCIe Network Card using a rating × review-volume × price-fit model applied to published specs and reviews across the retro networking cards category. 10Gtek's retro networking cards lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. 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

  • Note: Compatible with low-profile bracket only. Included full-height bracket is not compatible — please disregard.
  • Controller: Realtek RTL8126 controller, equipped with RealWoW technology, supports wake-up and diagnostics, enhancing data stability, Scan the QR code on the NIC to download and install the driver.
  • Interface: PCIe x1 lane, operable in PCIe X1, X4, X8 and X16 slots, not for PCI slots.
  • System: Windows 8/10/11, Windows Server 2016/2019/2022, CentOS7/8/9, VMware ESXi 6, Ubuntu20/22, FreeBSD 13/14.
  • Protocol: PXE, DPDK, WOL, iSCSI, Jumbo Frames, Auto MDIX, IEEE 802.1Q VLAN tagging, IEEE802.3bz (2.5G/5G BASE-T), Full Duplex flow control (IEEE 802.3x), NOT support FCoE.
  • Spec.: Single RJ45 ports, working with 5G/2.5G/1G/100Mbps, up to 100m @Cat.5e.

Full Specifications

NoteCompatible with low-profile bracket only. Included full-height bracket is not compatible — please disregard.
Brand10Gtek
ColorX1
Spec.Single RJ45 ports, working with 5G/2.5G/1G/100Mbps, up to 100m @Cat.5e.
SystemWindows 8/10/11, Windows Server 2016/2019/2022, CentOS7/8/9, VMware ESXi 6, Ubuntu20/22, FreeBSD 13/14.
Weight2.5g
InterfacePCIe x1 lane, operable in PCIe X1, X4, X8 and X16 slots, not for PCI slots.
Unit Count1 Count
Mfr Part NumberRTL8126-5G-1T-X1(1pc)
Compatible DevicesDesktop, Laptop, Server
Data Link ProtocolIEEE 802.3bz, Ethernet
Data Transfer Rate5000 megabits_per_second
Hardware InterfacePCI Express x1
Full listing title10Gtek 5Gb/s PCIe Network Card, 100M/2.5G/5G auto-Negotiation, for Windows 8/10/11, Windows Server 2016/2019/2022, Centos 7/8/9, VMware ESXi 6, Ubuntu 20/22, Freebsd 13/14

Ready to buy?

10Gtek 5Gb/s PCIe Network Card, 100M/2.5G/5G auto-Negotiation, for Windows 8/10/11, Windows Server 2016/2019/2022, Centos 7/8/9, VMware ESXi 6, Ubuntu 20/22, Freebsd 13/14 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.

Check price on Amazon →

Related Retro Networking Cards

Keep exploring SpecPicks

Other buying guides

Browse the catalog

Editorial

More guides & deep dives from the SpecPicks archive

Browse all articles & guides →

More reviews from the SpecPicks archive

Browse all reviews →

Earliest SpecPicks reviews

Browse full archive →
10Gtek 5Gb/s PCIe Network Card, 100M/2.5G/5G auto-Negotiation, for Windows 8/10/11, Windows Server 2016/2019/2022, Centos 7/8/9, VMware ESXi 6, Ubuntu 20/22, Freebsd 13/14
View on Amazon →