Hardware Spec Index

Tessarix NX-8140 SE 2.5GbE RJ45 USB Adapter

Network Cards · Tessarix · SKU NX8140-SE · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index849 (Network Cards scale)
Category rank#27,977
Street price$19
Power2 W
Performance per dollar44.68
Released2025

Specifications

BrandTessarix
ModelTessarix NX-8140 SE
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-7640 Ultra Dual-Port 10GbE RJ45 PCIe Network Card3,503$189Compare
Vantrel NX-3706 Plus 5GbE RJ45 PCIe Network Card3,689$199Compare
Strivon NX-5727 Plus Dual-Port 10GbE RJ45 PCIe Network Card5,467$469Compare
Tessarix NX-1657 Plus Dual-Port 10GbE SFP+ PCIe Network Card6,100$429Compare
Vantrel NX-9026 Plus 2.5GbE RJ45 PCIe Network Card810$19Compare
Strivon NX-2146 Ti 2.5GbE RJ45 USB Adapter1,239$39Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-8140 SE 2.5GbE RJ45 USB Adapter”, https://vextor7.com/item/2280407 (accessed 2026-10-21).