Hardware Spec Index

Tessarix NX-3661 XT 2.5GbE RJ45 PCIe Network Card

Network Cards · Tessarix · SKU NX3661-XT · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index1,760 (Network Cards scale)
Category rank#49,465
Street price$49
Power2 W
Performance per dollar35.92
Released2024

Specifications

BrandTessarix
ModelTessarix NX-3661 XT
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
Tessarix NX-3291 Plus 5GbE RJ45 USB Adapter2,151$79Compare
Strivon NX-1661 Plus 2.5GbE RJ45 PCIe Network Card1,397$39Compare
Strivon NX-3581 Ti 2.5GbE RJ45 PCIe Network Card1,086$29Compare
Tessarix NX-7199 Edge 2.5GbE RJ45 PCIe Network Card2,278$89Compare
Strivon NX-9694 SE Dual-Port 10GbE RJ45 PCIe Network Card4,438$279Compare
Strivon NX-8340 Prime 10GbE RJ45 PCIe Network Card4,518$329Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-3661 XT 2.5GbE RJ45 PCIe Network Card”, https://vextor7.com/item/6849033 (accessed 2026-10-20).