Hardware Spec Index

Tessarix NX-4791 Ultra 25GbE SFP28 PCIe Network Card

Network Cards · Tessarix · SKU NX4791-ULTRA · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index4,583 (Network Cards scale)
Category rank#24,449
Street price$329
Power6 W
Performance per dollar13.93
Released2021

Specifications

BrandTessarix
ModelTessarix NX-4791 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

Related guides

2.5GbE, 5GbE and 10GbE NetworkingPCIe Lanes Explained

Similar Network Cards

ModelBenchmarkPriceCompare
Strivon NX-4205 Core 2.5GbE RJ45 USB Adapter1,582$39Compare
Strivon NX-8470 XT 5GbE RJ45 PCIe Network Card3,376$139Compare
Quorvex NX-5939 Max 25GbE SFP28 PCIe Network Card5,539$389Compare
Vantrel NX-8816 Edge 10GbE RJ45 PCIe Network Card2,715$99Compare
Strivon NX-6668 Plus 5GbE RJ45 PCIe Network Card2,576$99Compare
Vantrel NX-8560 Prime 10GbE RJ45 PCIe Network Card4,090$239Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-4791 Ultra 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/652765 (accessed 2026-10-23).