Hardware Spec Index

Tessarix NX-6721 SE 5GbE RJ45 PCIe Network Card

Network Cards · Tessarix · SKU NX6721-SE · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index3,443 (Network Cards scale)
Category rank#17,558
Street price$159
Power3 W
Performance per dollar21.65
Released2020

Specifications

BrandTessarix
ModelTessarix NX-6721 SE
Speed5GbE (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
Vantrel NX-4660 Plus 2.5GbE RJ45 PCIe Network Card896$19Compare
Vantrel NX-4054 Ti 5GbE RJ45 USB Adapter1,760$49Compare
Vantrel NX-2790 Edge 10GbE SFP+ PCIe Network Card5,589$429Compare
Tessarix NX-5634 Plus 2.5GbE RJ45 USB Adapter2,125$69Compare
Tessarix NX-9975 Pro 2.5GbE RJ45 PCIe Network Card1,152$29Compare
Strivon NX-5231 SE 10GbE RJ45 PCIe Network Card4,143$249Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-6721 SE 5GbE RJ45 PCIe Network Card”, https://vextor7.com/item/5756360 (accessed 2026-10-24).