Hardware Spec Index

Tessarix NX-8249 Plus 2.5GbE RJ45 USB Adapter

Network Cards · Tessarix · SKU NX8249-PLUS · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index1,978 (Network Cards scale)
Category rank#26,961
Street price$59
Power2 W
Performance per dollar33.53
Released2021

Specifications

BrandTessarix
ModelTessarix NX-8249 Plus
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-5528 XT 2.5GbE RJ45 PCIe Network Card2,680$109Compare
Vantrel NX-6400 Pro 2.5GbE RJ45 PCIe Network Card1,190$29Compare
Quorvex NX-6387 Plus Dual-Port 25GbE SFP28 PCIe Network Card5,122$329Compare
Quorvex NX-9714 XT 25GbE SFP28 PCIe Network Card5,081$349Compare
Vantrel NX-2728 Prime Dual-Port 25GbE SFP28 PCIe Network Card5,447$499Compare
Quorvex NX-8543 Max Dual-Port 10GbE SFP+ PCIe Network Card3,938$209Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-8249 Plus 2.5GbE RJ45 USB Adapter”, https://vextor7.com/item/92710831 (accessed 2026-10-25).