Hardware Spec Index

Tessarix NX-6636 Ultra 2.5GbE RJ45 USB Adapter

Network Cards · Tessarix · SKU NX6636-ULTRA · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index1,108 (Network Cards scale)
Category rank#33,455
Street price$29
Power2 W
Performance per dollar38.21
Released2021

Specifications

BrandTessarix
ModelTessarix NX-6636 Ultra
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
Tessarix NX-2369 Max Dual-Port 25GbE SFP28 PCIe Network Card6,100$469Compare
Vantrel NX-3005 Max 25GbE SFP28 PCIe Network Card5,852$479Compare
Strivon NX-2973 Max 10GbE RJ45 PCIe Network Card4,248$259Compare
Quorvex NX-8543 Core 10GbE RJ45 PCIe Network Card4,233$229Compare
Quorvex NX-4721 Prime 2.5GbE RJ45 PCIe Network Card3,006$119Compare
Quorvex NX-6192 Prime 25GbE SFP28 PCIe Network Card5,246$349Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-6636 Ultra 2.5GbE RJ45 USB Adapter”, https://vextor7.com/item/21879172 (accessed 2026-10-25).