Hardware Spec Index

Tessarix NX-3421 Plus 5GbE RJ45 PCIe Network Card

Network Cards · Tessarix · SKU NX3421-PLUS · Released 2026 · Updated 2026-10-24

Key facts

Benchmark index2,818 (Network Cards scale)
Category rank#19,297
Street price$129
Power3 W
Performance per dollar21.84
Released2026

Specifications

BrandTessarix
ModelTessarix NX-3421 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

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Cite this page: Hardware Spec Index, “Tessarix NX-3421 Plus 5GbE RJ45 PCIe Network Card”, https://vextor7.com/item/3577849 (accessed 2026-10-24).