Hardware Spec Index

Tessarix NX-4951 Edge 2.5GbE RJ45 USB Adapter

Network Cards · Tessarix · SKU NX4951-EDGE · Released 2021 · Updated 2026-10-27

Key facts

Benchmark index2,437 (Network Cards scale)
Category rank#1,952
Street price$89
Power3 W
Performance per dollar27.38
Released2021

Specifications

BrandTessarix
ModelTessarix NX-4951 Edge
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-5258 Pro 10GbE SFP+ PCIe Network Card4,125$259Compare
Vantrel NX-1407 Max 10GbE RJ45 PCIe Network Card3,644$159Compare
Strivon NX-1873 Edge 5GbE RJ45 PCIe Network Card2,498$99Compare
Strivon NX-2610 Edge 25GbE SFP28 PCIe Network Card6,099$499Compare
Quorvex NX-9724 Ultra Dual-Port 10GbE RJ45 PCIe Network Card5,252$379Compare
Quorvex NX-6257 SE 10GbE RJ45 PCIe Network Card3,650$209Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-4951 Edge 2.5GbE RJ45 USB Adapter”, https://vextor7.com/item/2167764 (accessed 2026-10-27).