Hardware Spec Index

Tessarix NX-3971 Plus 5GbE RJ45 PCIe Network Card

Network Cards · Tessarix · SKU NX3971-PLUS · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index3,676 (Network Cards scale)
Category rank#24,718
Street price$219
Power3 W
Performance per dollar16.79
Released2025

Specifications

BrandTessarix
ModelTessarix NX-3971 Plus
Speed5GbE (5G/1G/100M)
Ports1× RJ45
Host interfacePCIe 3.0 x1
CablingCat5e or better (100 m)
StandardIEEE 802.3bz (2.5G/5GBASE-T)
Jumbo framesUp to 9 KB
OffloadsTSO, checksum offload
Wake-on-LANYes
VLANIEEE 802.1Q
OS supportWindows 11, Linux, FreeBSD

Related guides

2.5GbE, 5GbE and 10GbE NetworkingPCIe Lanes Explained

Similar Network Cards

ModelBenchmarkPriceCompare
Strivon NX-3016 XT 5GbE RJ45 PCIe Network Card4,474$259Compare
Quorvex NX-6433 Core Dual-Port 10GbE RJ45 PCIe Network Card3,942$239Compare
Strivon NX-3812 Pro 2.5GbE RJ45 PCIe Network Card854$19Compare
Strivon NX-1807 Ultra 5GbE RJ45 PCIe Network Card3,271$149Compare
Quorvex NX-4161 Ultra Dual-Port 25GbE SFP28 PCIe Network Card5,943$469Compare
Quorvex NX-4487 SE 2.5GbE RJ45 USB Adapter1,082$29Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-3971 Plus 5GbE RJ45 PCIe Network Card”, https://vextor7.com/item/844972 (accessed 2026-10-21).