Hardware Spec Index

Quorvex NX-4391 Prime 2.5GbE RJ45 USB Adapter

Network Cards · Quorvex · SKU NX4391-PRIME · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index1,344 (Network Cards scale)
Category rank#39,685
Street price$39
Power2 W
Performance per dollar34.46
Released2025

Specifications

BrandQuorvex
ModelQuorvex NX-4391 Prime
Speed2.5GbE (2.5G/1G/100M)
Ports1× RJ45
Host interfaceUSB 3.2 Gen 1 (Type-C)
CablingCat5e or better (100 m)
StandardIEEE 802.3bz (2.5G/5GBASE-T)
Jumbo framesUp to 9 KB
OffloadsTSO, checksum offload
Wake-on-LANNo
VLANIEEE 802.1Q
OS supportWindows 11, Linux, FreeBSD

Related guides

2.5GbE, 5GbE and 10GbE NetworkingPCIe Lanes Explained

Similar Network Cards

ModelBenchmarkPriceCompare
Vantrel NX-8017 Edge 2.5GbE RJ45 PCIe Network Card836$19Compare
Vantrel NX-8252 Ultra 2.5GbE RJ45 USB Adapter942$29Compare
Strivon NX-5667 Prime Dual-Port 10GbE RJ45 PCIe Network Card4,075$269Compare
Quorvex NX-6959 Edge 2.5GbE RJ45 PCIe Network Card2,594$89Compare
Quorvex NX-7389 Edge Dual-Port 25GbE SFP28 PCIe Network Card5,320$389Compare
Tessarix NX-7454 Edge 10GbE RJ45 Thunderbolt Adapter4,406$279Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Quorvex NX-4391 Prime 2.5GbE RJ45 USB Adapter”, https://vextor7.com/item/44550245 (accessed 2026-10-23).