Hardware Spec Index

Quorvex NX-4921 Max Dual-Port 25GbE SFP28 PCIe Network Card

Network Cards · Quorvex · SKU NX4921-MAX · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index5,460 (Network Cards scale)
Category rank#28,793
Street price$349
Power8 W
Performance per dollar15.64
Released2021

Specifications

BrandQuorvex
ModelQuorvex NX-4921 Max
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
Strivon NX-9911 Pro 5GbE RJ45 PCIe Network Card2,170$79Compare
Tessarix NX-5199 Ultra Dual-Port 10GbE RJ45 PCIe Network Card3,479$209Compare
Vantrel NX-8396 Edge 2.5GbE RJ45 USB Adapter1,049$29Compare
Tessarix NX-1252 Core 2.5GbE RJ45 PCIe Network Card2,959$119Compare
Quorvex NX-3108 Plus 2.5GbE RJ45 USB Adapter1,524$39Compare
Vantrel NX-4416 SE 2.5GbE RJ45 PCIe Network Card1,055$29Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Quorvex NX-4921 Max Dual-Port 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/4685756 (accessed 2026-10-25).