Hardware Spec Index

Tessarix NX-1251 Ultra 10GbE RJ45 PCIe Network Card

Network Cards · Tessarix · SKU NX1251-ULTRA · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index3,871 (Network Cards scale)
Category rank#9,138
Street price$209
Power9 W
Performance per dollar18.52
Released2024

Specifications

BrandTessarix
ModelTessarix NX-1251 Ultra
Speed10GbE (10G)
Ports1× RJ45
Host interfacePCIe 3.0 x4
CablingCat6a (100 m) / Cat6 (up to 55 m)
StandardIEEE 802.3an (10GBASE-T)
Jumbo framesUp to 9 KB
OffloadsTSO, LRO, RSS, SR-IOV
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-1251 Ultra 10GbE RJ45 PCIe Network Card”, https://vextor7.com/item/21527377 (accessed 2026-10-24).