Hardware Spec Index

Tessarix NX-2503 Core 2.5GbE RJ45 PCIe Network Card

Network Cards · Tessarix · SKU NX2503-CORE · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index1,820 (Network Cards scale)
Category rank#11,355
Street price$49
Power2 W
Performance per dollar37.14
Released2019

Specifications

BrandTessarix
ModelTessarix NX-2503 Core
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
Tessarix NX-7827 Ultra 5GbE RJ45 PCIe Network Card1,760$39Compare
Tessarix NX-9805 Pro 2.5GbE RJ45 USB Adapter1,333$29Compare
Vantrel NX-3700 Edge 2.5GbE RJ45 PCIe Network Card991$19Compare
Quorvex NX-4823 Edge 10GbE SFP+ PCIe Network Card3,561$189Compare
Quorvex NX-8898 Plus 25GbE SFP28 PCIe Network Card5,856$499Compare
Strivon NX-1253 Ultra Dual-Port 10GbE SFP+ PCIe Network Card3,533$189Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-2503 Core 2.5GbE RJ45 PCIe Network Card”, https://vextor7.com/item/20059322 (accessed 2026-10-20).