Hardware Spec Index

Tessarix NX-1638 Prime 2.5GbE RJ45 USB Adapter

Network Cards · Tessarix · SKU NX1638-PRIME · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index2,854 (Network Cards scale)
Category rank#39,413
Street price$129
Power3 W
Performance per dollar22.12
Released2020

Specifications

BrandTessarix
ModelTessarix NX-1638 Prime
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
Vantrel NX-2291 Core 5GbE RJ45 PCIe Network Card2,704$109Compare
Quorvex NX-4750 Ultra 5GbE RJ45 USB Adapter4,249$289Compare
Tessarix NX-3184 Ti 5GbE RJ45 PCIe Network Card2,045$69Compare
Quorvex NX-6790 Ti 2.5GbE RJ45 PCIe Network Card1,107$29Compare
Strivon NX-6086 XT 10GbE RJ45 PCIe Network Card2,760$109Compare
Quorvex NX-6468 Prime 10GbE SFP+ PCIe Network Card4,952$359Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-1638 Prime 2.5GbE RJ45 USB Adapter”, https://vextor7.com/item/33033734 (accessed 2026-10-25).