Hardware Spec Index

Tessarix NX-4667 Ultra 25GbE SFP28 PCIe Network Card

Network Cards · Tessarix · SKU NX4667-ULTRA · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index5,535 (Network Cards scale)
Category rank#5,250
Street price$419
Power6 W
Performance per dollar13.21
Released2020

Specifications

BrandTessarix
ModelTessarix NX-4667 Ultra
Speed25GbE (25G)
Ports1× SFP28
Host interfacePCIe 4.0 x8
CablingDAC or optical transceiver
StandardIEEE 802.3by (25GBASE-R)
Jumbo framesUp to 9 KB
OffloadsTSO, LRO, RSS, SR-IOV
Wake-on-LANYes
VLANIEEE 802.1Q
OS supportWindows 11, Linux, FreeBSD

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Cite this page: Hardware Spec Index, “Tessarix NX-4667 Ultra 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/123067 (accessed 2026-10-22).