Hardware Spec Index

Tessarix NX-8291 Ultra 5GbE RJ45 USB Adapter

Network Cards · Tessarix · SKU NX8291-ULTRA · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index2,615 (Network Cards scale)
Category rank#2,100
Street price$99
Power3 W
Performance per dollar26.41
Released2021

Specifications

BrandTessarix
ModelTessarix NX-8291 Ultra
Speed5GbE (5G/1G/100M)
Ports1× RJ45
Host interfaceUSB 3.2 Gen 2 (Type-C)
CablingCat5e or better (100 m)
StandardIEEE 802.3bz (2.5G/5GBASE-T)
Jumbo framesUp to 9 KB
OffloadsTSO, checksum offload
Wake-on-LANNo
VLANIEEE 802.1Q
OS supportWindows 11, Linux, FreeBSD

Related guides

2.5GbE, 5GbE and 10GbE NetworkingPCIe Lanes Explained

Similar Network Cards

ModelBenchmarkPriceCompare
Quorvex NX-1321 Max 10GbE RJ45 PCIe Network Card3,364$159Compare
Quorvex NX-3730 Max 2.5GbE RJ45 PCIe Network Card1,626$39Compare
Vantrel NX-9272 SE 10GbE SFP+ PCIe Network Card3,191$169Compare
Strivon NX-5988 Plus 10GbE RJ45 PCIe Network Card3,147$119Compare
Vantrel NX-6603 Core 2.5GbE RJ45 PCIe Network Card2,513$99Compare
Tessarix NX-3504 Ti 2.5GbE RJ45 PCIe Network Card854$19Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-8291 Ultra 5GbE RJ45 USB Adapter”, https://vextor7.com/item/20051315 (accessed 2026-10-20).