Hardware Spec Index

Tessarix NX-5558 XT 2.5GbE RJ45 PCIe Network Card

Network Cards · Tessarix · SKU NX5558-XT · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index2,978 (Network Cards scale)
Category rank#41,078
Street price$149
Power3 W
Performance per dollar19.99
Released2025

Specifications

BrandTessarix
ModelTessarix NX-5558 XT
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
Vantrel NX-8414 Core Dual-Port 10GbE RJ45 PCIe Network Card5,011$349Compare
Tessarix NX-6931 Pro 25GbE SFP28 PCIe Network Card4,428$319Compare
Vantrel NX-6222 SE 5GbE RJ45 PCIe Network Card2,379$99Compare
Strivon NX-1436 Plus Dual-Port 10GbE SFP+ PCIe Network Card3,003$129Compare
Quorvex NX-9744 Edge 2.5GbE RJ45 USB Adapter898$19Compare
Strivon NX-6625 Core 2.5GbE RJ45 PCIe Network Card924$19Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-5558 XT 2.5GbE RJ45 PCIe Network Card”, https://vextor7.com/item/56583856 (accessed 2026-10-25).