5Gb Base-T Network Card, Realtek RTL8126 Controller, NICGIGA 5G PCIe Ethernet Adapter Support WOL, 5Gbe RJ45 Port NIC Card, Windows10/11/Windows Server/Linux
*Price sourced from Amazon.com. Last updated 2026-05-24. Price and availability subject to change.
SpecPicks Verdict
SpecPicks classifies 5Gb Base-T Network Card, Realtek RTL8126 Controller, NICGIGA 5G PCIe… as a solid pick with broad community endorsement in the networking cards category, based on 740 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. NICGIGA's positioning sits comfortably above the category median. 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
- ✓ Solid 4.4★ customer rating
- ✓ Backed by NICGIGA'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
- ⭐【5G Network Card 】:Adopting Realtek RTL8126 Controller, it provides up to 5Gbps of extreme speed to ensure the stability of Internet access and local data transmission, effectively preventing packet loss and making the server more stable.Supports Wake-on-LAN function.
- ⭐【Good compatibility】: seamless backward compatibility with 5Gbps/2.5Gbps/1Gbps/100Mbps can auto-negotiate between high-speed and low-speed connections, supports Windows 11/10/Windows Server and Linux.
- ⭐【PCIe to 5Gbe RJ45】: This 5G BASE-T PCIe network adapter converts PCIe slots (X1/X4/X8/16) into 5G RJ-45 Ethernet ports. Note: Only for PCIe ports, not for PCI slots.
- ⭐【Adaptability and heat dissipation】: Comes with standard brackets and slim brackets for different applications such as desktops, workstations, servers, and mini-tower computers. Excellent heat dissipation performance can quickly reduce the temperature and keep the stability of network transmission.
- ⭐【Customer service】: Every NICGIGA 5G NIC is rigorously tested for reliability, quality, and performance. We supply lifetime technical support.
Full Specifications
| Brand | NICGIGA |
|---|---|
| Color | Black |
| Weight | 5g |
| Unit Count | 1.0 Count |
| Model Number | NIC-5G |
| Compatibility | Linux |
| Built-In Media | NIC-5G |
| Mfr Part Number | NIC-5G |
| Number of Packs | 1 |
| Compatible Devices | Desktop |
| Data Link Protocol | Ethernet |
| Data Transfer Rate | 10 Gigabits Per Second |
| Hardware Interface | PCI Express x1 |
| Warranty Description | 1 Year Manufacturer |
Ready to buy?
5Gb Base-T Network Card, Realtek RTL8126 Controller, NICGIGA 5G PCIe Ethernet Adapter Support WOL, 5Gbe RJ45 Port NIC Card, Windows10/11/Windows Server/Linux 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 2026-05-24. Price and availability subject to change.