Skip to main content
10Gtek 2.5G NIC PCIe Network Adapter 2500/1000/100Mbps PCIe Gigabit Ethernet Card, Single RJ-45 Port, with Realtek RTL8125 Controller, Support Windows Server/Ubuntu/Centos/Debian
10Gtek

2.5G NIC PCIe Network Adapter 2500/1000/100Mbps PCIe Gigabit Ethernet Card, Single RJ-45 Port, with Realtek RTL8125 Controller, Support Windows Server/Ubuntu/Centos/Debian

$14.99

*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.

Bottom line: The 2.5G NIC PCIe Network Adapter 2500/1000/100Mbps PCIe Gigabit Ethernet Card, Single RJ-45 Port, with Realtek RTL8125 Controller, Support Windows Server/Ubuntu/Centos/Debian is a niche pick — read recent reviews before buying in the networking cards category, priced around $14.99. Read recent reviews carefully before committing.

SpecPicks Verdict

SpecPicks classifies 10Gtek 2.5G NIC PCIe Network Adapter 2500/1000/100Mbps PCIe Gigabit… as a niche pick — read recent reviews before buying in the networking cards category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. 10Gtek's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for 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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

  • ✓ Controller(s):Realtek RTL8125BG + ASMedia ASM1806.
  • ✓ Backed by 10Gtek's warranty and support channels
  • ✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

  • Controller(s):Realtek RTL8125BG + ASMedia ASM1806.
  • Single RJ-45 Port.
  • PCIe2.0, x1 Lane.
  • Support PXE, VLAN, Jumbo Frames. Not-support WOL, DPDK, iSCSI, FCoE.
  • Compatible with Windows 7/8/10/11, Windows Server 2008 R2/2012/2016/2019, Linux 2.6.x to 5.x, Centos 6/7/8, Ubuntu 16/18/19/20, VMware ESXi 6. NOT SUPPORT ESXI 7/8, FREEBSD and HOT SWAPING.

Full Specifications

Brand10Gtek
ColorX1
Weight2.5g
Unit Count1.0 Count
Model NumberRTL8125-2.5G-1T-X1
CompatibilityLinux
Mfr Part NumberRTL8125-2.5G-1T-X1
Number of Items1
Compatible DevicesDesktop
Data Link ProtocolGigabit Ethernet
Data Transfer Rate100 Megabits Per Second
Hardware InterfaceEthernet

Ready to buy?

10Gtek 2.5G NIC PCIe Network Adapter 2500/1000/100Mbps PCIe Gigabit Ethernet Card, Single RJ-45 Port, with Realtek RTL8125 Controller, Support Windows Server/Ubuntu/Centos/Debian is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Check price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.

Related Networking Cards

More guides & deep dives from the SpecPicks archive

Browse all articles & guides →

More reviews from the SpecPicks archive

Browse all reviews →