Hardware Spec Index

Quorvex NX-5981 Ultra 25GbE SFP28 PCIe Network Card

Network Cards · Quorvex · SKU NX5981-ULTRA · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index5,510 (Network Cards scale)
Category rank#16,134
Street price$439
Power6 W
Performance per dollar12.55
Released2023

Specifications

BrandQuorvex
ModelQuorvex NX-5981 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
Quorvex NX-9636 Ultra Dual-Port 25GbE SFP28 PCIe Network Card5,010$369Compare
Strivon NX-3960 Prime 10GbE RJ45 PCIe Network Card4,046$249Compare
Vantrel NX-8625 SE 10GbE SFP+ PCIe Network Card4,542$299Compare
Vantrel NX-6167 Plus 10GbE SFP+ PCIe Network Card4,212$239Compare
Quorvex NX-6286 SE 10GbE RJ45 Thunderbolt Adapter4,403$279Compare
Tessarix NX-5579 Max Dual-Port 25GbE SFP28 PCIe Network Card5,268$419Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Quorvex NX-5981 Ultra 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/43314693 (accessed 2026-10-19).