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
*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
| Brand | 10Gtek |
|---|---|
| Color | X1 |
| Weight | 2.5g |
| Unit Count | 1.0 Count |
| Model Number | RTL8125-2.5G-1T-X1 |
| Compatibility | Linux |
| Mfr Part Number | RTL8125-2.5G-1T-X1 |
| Number of Items | 1 |
| Compatible Devices | Desktop |
| Data Link Protocol | Gigabit Ethernet |
| Data Transfer Rate | 100 Megabits Per Second |
| Hardware Interface | Ethernet |
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.
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
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