Hardware Spec Index

Tessarix NX-6191 SE 25GbE SFP28 PCIe Network Card

Network Cards · Tessarix · SKU NX6191-SE · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index4,923 (Network Cards scale)
Category rank#39,020
Street price$329
Power6 W
Performance per dollar14.96
Released2019

Specifications

BrandTessarix
ModelTessarix NX-6191 SE
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

Related guides

2.5GbE, 5GbE and 10GbE NetworkingPCIe Lanes Explained

Similar Network Cards

ModelBenchmarkPriceCompare
Tessarix NX-8107 Prime 5GbE RJ45 PCIe Network Card3,818$199Compare
Vantrel NX-4629 XT Dual-Port 25GbE SFP28 PCIe Network Card6,100$499Compare
Vantrel NX-2060 SE 5GbE RJ45 USB Adapter1,756$59Compare
Quorvex NX-7804 Ultra 10GbE RJ45 PCIe Network Card5,547$399Compare
Tessarix NX-6216 Plus 5GbE RJ45 USB Adapter2,104$69Compare
Tessarix NX-7942 Plus 10GbE SFP+ PCIe Network Card4,148$239Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-6191 SE 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/149058 (accessed 2026-10-23).