Hardware Spec Index

Tessarix NX-5638 XT 2.5GbE RJ45 USB Adapter

Network Cards · Tessarix · SKU NX5638-XT · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index2,414 (Network Cards scale)
Category rank#16,206
Street price$89
Power3 W
Performance per dollar27.12
Released2021

Specifications

BrandTessarix
ModelTessarix NX-5638 XT
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-5625 Max 5GbE RJ45 PCIe Network Card2,581$99Compare
Vantrel NX-6915 Plus 2.5GbE RJ45 USB Adapter2,372$79Compare
Vantrel NX-8705 SE 10GbE SFP+ PCIe Network Card2,928$109Compare
Quorvex NX-7545 XT Dual-Port 10GbE RJ45 PCIe Network Card4,303$239Compare
Tessarix NX-3153 Plus Dual-Port 25GbE SFP28 PCIe Network Card5,767$499Compare
Quorvex NX-8230 Ultra 5GbE RJ45 USB Adapter2,595$89Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-5638 XT 2.5GbE RJ45 USB Adapter”, https://vextor7.com/item/19199680 (accessed 2026-10-19).