Hardware Spec Index

Tessarix NX-4201 Ultra 2.5GbE RJ45 PCIe Network Card

Network Cards · Tessarix · SKU NX4201-ULTRA · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index2,822 (Network Cards scale)
Category rank#47,133
Street price$119
Power3 W
Performance per dollar23.71
Released2023

Specifications

BrandTessarix
ModelTessarix NX-4201 Ultra
Speed2.5GbE (2.5G/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

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Cite this page: Hardware Spec Index, “Tessarix NX-4201 Ultra 2.5GbE RJ45 PCIe Network Card”, https://vextor7.com/item/73671100 (accessed 2026-10-24).