Hardware Spec Index

Quorvex NX-3921 SE Dual-Port 25GbE SFP28 PCIe Network Card

Network Cards · Quorvex · SKU NX3921-SE · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index5,929 (Network Cards scale)
Category rank#19,202
Street price$449
Power8 W
Performance per dollar13.20
Released2019

Specifications

BrandQuorvex
ModelQuorvex NX-3921 SE
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-4329 Pro 5GbE RJ45 PCIe Network Card1,741$49Compare
Strivon NX-6076 Edge 10GbE RJ45 Thunderbolt Adapter3,113$129Compare
Tessarix NX-1505 XT 2.5GbE RJ45 PCIe Network Card996$29Compare
Vantrel NX-8957 Core 10GbE RJ45 Thunderbolt Adapter5,011$329Compare
Quorvex NX-3911 Pro 5GbE RJ45 USB Adapter2,044$79Compare
Vantrel NX-9976 Ti Dual-Port 10GbE SFP+ PCIe Network Card4,679$299Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Quorvex NX-3921 SE Dual-Port 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/12366373 (accessed 2026-10-23).