Hardware Spec Index

Tessarix NX-5243 XT 2.5GbE RJ45 USB Adapter

Network Cards · Tessarix · SKU NX5243-XT · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index2,578 (Network Cards scale)
Category rank#38,362
Street price$89
Power3 W
Performance per dollar28.97
Released2021

Specifications

BrandTessarix
ModelTessarix NX-5243 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
Vantrel NX-7310 Max 2.5GbE RJ45 PCIe Network Card3,171$129Compare
Vantrel NX-3435 SE 5GbE RJ45 PCIe Network Card2,877$129Compare
Tessarix NX-3838 Ultra Dual-Port 10GbE RJ45 PCIe Network Card3,834$199Compare
Quorvex NX-1834 Core Dual-Port 10GbE RJ45 PCIe Network Card2,629$109Compare
Quorvex NX-4439 SE 2.5GbE RJ45 PCIe Network Card2,397$79Compare
Tessarix NX-7697 Ti Dual-Port 10GbE RJ45 PCIe Network Card4,332$229Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-5243 XT 2.5GbE RJ45 USB Adapter”, https://vextor7.com/item/20025546 (accessed 2026-10-20).