Hardware Spec Index

Tessarix NX-3903 Plus 2.5GbE RJ45 PCIe Network Card

Network Cards · Tessarix · SKU NX3903-PLUS · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index1,570 (Network Cards scale)
Category rank#43,878
Street price$39
Power2 W
Performance per dollar40.26
Released2020

Specifications

BrandTessarix
ModelTessarix NX-3903 Plus
Speed2.5GbE (2.5G/1G/100M)
Ports1× RJ45
Host interfacePCIe 3.0 x1
CablingCat5e or better (100 m)
StandardIEEE 802.3bz (2.5G/5GBASE-T)
Jumbo framesUp to 9 KB
OffloadsTSO, checksum offload
Wake-on-LANYes
VLANIEEE 802.1Q
OS supportWindows 11, Linux, FreeBSD

Related guides

2.5GbE, 5GbE and 10GbE NetworkingPCIe Lanes Explained

Similar Network Cards

ModelBenchmarkPriceCompare
Quorvex NX-5830 Ti 10GbE RJ45 Thunderbolt Adapter2,816$129Compare
Quorvex NX-6716 Pro 2.5GbE RJ45 PCIe Network Card1,153$29Compare
Quorvex NX-7293 SE Dual-Port 10GbE RJ45 PCIe Network Card3,692$209Compare
Tessarix NX-6403 Core 2.5GbE RJ45 USB Adapter3,218$129Compare
Quorvex NX-6641 Plus 10GbE RJ45 PCIe Network Card5,836$429Compare
Quorvex NX-1567 Prime Dual-Port 25GbE SFP28 PCIe Network Card5,545$439Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-3903 Plus 2.5GbE RJ45 PCIe Network Card”, https://vextor7.com/item/3540435 (accessed 2026-10-21).