Hardware Spec Index

Quorvex NX-6665 Ultra 2.5GbE RJ45 PCIe Network Card

Network Cards · Quorvex · SKU NX6665-ULTRA · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index1,668 (Network Cards scale)
Category rank#23,462
Street price$39
Power2 W
Performance per dollar42.77
Released2020

Specifications

BrandQuorvex
ModelQuorvex NX-6665 Ultra
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-4439 Prime Dual-Port 10GbE SFP+ PCIe Network Card4,244$229Compare
Strivon NX-6293 Edge Dual-Port 10GbE RJ45 PCIe Network Card3,747$169Compare
Vantrel NX-8830 Pro 25GbE SFP28 PCIe Network Card5,816$479Compare
Tessarix NX-1204 XT 10GbE RJ45 PCIe Network Card5,381$409Compare
Quorvex NX-7042 Ti 10GbE SFP+ PCIe Network Card3,438$149Compare
Quorvex NX-9190 Prime 10GbE RJ45 PCIe Network Card4,724$369Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Quorvex NX-6665 Ultra 2.5GbE RJ45 PCIe Network Card”, https://vextor7.com/item/6019503 (accessed 2026-10-20).