Hardware Spec Index

Tessarix NX-8591 Ultra 2.5GbE RJ45 PCIe Network Card

Network Cards · Tessarix · SKU NX8591-ULTRA · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index1,913 (Network Cards scale)
Category rank#37,795
Street price$59
Power2 W
Performance per dollar32.42
Released2022

Specifications

BrandTessarix
ModelTessarix NX-8591 Ultra
Speed2.5GbE (2.5G/1G/100M)
Ports1× RJ45
Host interfacePCIe 3.0 x1
CablingCat5e or better (100 m)
StandardIEEE 802.3bz (2.5G/5GBASE-T)
Jumbo framesUp to 9 KB
OffloadsTSO, checksum offload
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-8326 Pro 2.5GbE RJ45 PCIe Network Card1,840$49Compare
Strivon NX-4195 Ti 5GbE RJ45 PCIe Network Card4,235$239Compare
Tessarix NX-4763 Pro Dual-Port 10GbE RJ45 PCIe Network Card4,132$259Compare
Tessarix NX-8656 Max 10GbE RJ45 PCIe Network Card3,807$219Compare
Vantrel NX-2610 Plus 25GbE SFP28 PCIe Network Card4,940$339Compare
Vantrel NX-7300 Ti Dual-Port 10GbE SFP+ PCIe Network Card3,691$189Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-8591 Ultra 2.5GbE RJ45 PCIe Network Card”, https://vextor7.com/item/2497202 (accessed 2026-10-26).