Hardware Spec Index

Quorvex NX-5666 Core 2.5GbE RJ45 PCIe Network Card

Network Cards · Quorvex · SKU NX5666-CORE · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index900 (Network Cards scale)
Category rank#37,404
Street price$29
Power2 W
Performance per dollar31.03
Released2023

Specifications

BrandQuorvex
ModelQuorvex NX-5666 Core
Speed2.5GbE (2.5G/1G/100M)
Ports1× RJ45
Host interfacePCIe 3.0 x1
CablingCat5e or better (100 m)
StandardIEEE 802.3bz (2.5G/5GBASE-T)
Jumbo framesUp to 9 KB
OffloadsTSO, checksum offload
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
Quorvex NX-6948 Max 2.5GbE RJ45 USB Adapter1,293$29Compare
Vantrel NX-2665 Ti Dual-Port 10GbE RJ45 PCIe Network Card4,400$339Compare
Quorvex NX-8147 Ultra 5GbE RJ45 USB Adapter3,123$139Compare
Quorvex NX-9286 Ti 5GbE RJ45 PCIe Network Card3,508$179Compare
Quorvex NX-9339 Pro Dual-Port 10GbE RJ45 PCIe Network Card4,591$299Compare
Vantrel NX-2988 Edge 2.5GbE RJ45 PCIe Network Card863$19Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Quorvex NX-5666 Core 2.5GbE RJ45 PCIe Network Card”, https://vextor7.com/item/3274500 (accessed 2026-10-25).