Hardware Spec Index

Tessarix NX-7139 Prime 5GbE RJ45 USB Adapter

Network Cards · Tessarix · SKU NX7139-PRIME · Released 2026 · Updated 2026-10-26

Key facts

Benchmark index3,929 (Network Cards scale)
Category rank#43,348
Street price$209
Power3 W
Performance per dollar18.80
Released2026

Specifications

BrandTessarix
ModelTessarix NX-7139 Prime
Speed5GbE (5G/1G/100M)
Ports1× RJ45
Host interfaceUSB 3.2 Gen 2 (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
Tessarix NX-2094 Max 10GbE SFP+ PCIe Network Card4,210$259Compare
Tessarix NX-4925 Ultra Dual-Port 25GbE SFP28 PCIe Network Card5,493$459Compare
Quorvex NX-6871 Ultra Dual-Port 25GbE SFP28 PCIe Network Card5,876$449Compare
Vantrel NX-3250 SE Dual-Port 10GbE SFP+ PCIe Network Card4,508$339Compare
Vantrel NX-4316 Ultra 5GbE RJ45 USB Adapter3,413$189Compare
Tessarix NX-2397 Edge 2.5GbE RJ45 PCIe Network Card799$29Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-7139 Prime 5GbE RJ45 USB Adapter”, https://vextor7.com/item/21921009 (accessed 2026-10-26).