Hardware Spec Index

Quorvex NX-4491 Ultra 25GbE SFP28 PCIe Network Card

Network Cards · Quorvex · SKU NX4491-ULTRA · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index4,594 (Network Cards scale)
Category rank#14,696
Street price$319
Power6 W
Performance per dollar14.40
Released2020

Specifications

BrandQuorvex
ModelQuorvex NX-4491 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

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Cite this page: Hardware Spec Index, “Quorvex NX-4491 Ultra 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/7939667 (accessed 2026-10-21).