Hardware Spec Index

Quorvex NX-8421 Ultra Dual-Port 25GbE SFP28 PCIe Network Card

Network Cards · Quorvex · SKU NX8421-ULTRA · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index5,271 (Network Cards scale)
Category rank#33,559
Street price$399
Power8 W
Performance per dollar13.21
Released2026

Specifications

BrandQuorvex
ModelQuorvex NX-8421 Ultra
Speed25GbE (25G)
Ports2× 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-8946 SE 5GbE RJ45 PCIe Network Card1,879$59Compare
Strivon NX-8531 Pro 2.5GbE RJ45 PCIe Network Card2,917$119Compare
Strivon NX-3866 Max 10GbE RJ45 PCIe Network Card2,873$129Compare
Tessarix NX-9671 Ti 2.5GbE RJ45 USB Adapter1,617$49Compare
Tessarix NX-6936 XT 2.5GbE RJ45 PCIe Network Card2,606$109Compare
Strivon NX-9879 Prime 25GbE SFP28 PCIe Network Card5,796$449Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Quorvex NX-8421 Ultra Dual-Port 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/6072996 (accessed 2026-10-21).