Hardware Spec Index

Tessarix NX-2021 Max 2.5GbE RJ45 USB Adapter

Network Cards · Tessarix · SKU NX2021-MAX · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index914 (Network Cards scale)
Category rank#42,608
Street price$19
Power2 W
Performance per dollar48.11
Released2021

Specifications

BrandTessarix
ModelTessarix NX-2021 Max
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
Strivon NX-6397 Ti Dual-Port 25GbE SFP28 PCIe Network Card5,837$449Compare
Strivon NX-6812 Core Dual-Port 10GbE RJ45 PCIe Network Card5,069$349Compare
Vantrel NX-5773 Edge 2.5GbE RJ45 PCIe Network Card2,457$79Compare
Tessarix NX-4574 Core 2.5GbE RJ45 PCIe Network Card1,562$49Compare
Strivon NX-2898 Max 5GbE RJ45 PCIe Network Card1,760$49Compare
Vantrel NX-8889 XT 25GbE SFP28 PCIe Network Card4,531$299Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-2021 Max 2.5GbE RJ45 USB Adapter”, https://vextor7.com/item/3013079 (accessed 2026-10-26).