Hardware Spec Index

Tessarix NX-5559 Ultra 25GbE SFP28 PCIe Network Card

Network Cards · Tessarix · SKU NX5559-ULTRA · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index5,744 (Network Cards scale)
Category rank#34,662
Street price$489
Power6 W
Performance per dollar11.75
Released2023

Specifications

BrandTessarix
ModelTessarix NX-5559 Ultra
Speed25GbE (25G)
Ports1× SFP28
Host interfacePCIe 4.0 x8
CablingDAC or optical transceiver
StandardIEEE 802.3by (25GBASE-R)
Jumbo framesUp to 9 KB
OffloadsTSO, LRO, RSS, SR-IOV
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-6949 Core 2.5GbE RJ45 PCIe Network Card2,660$119Compare
Tessarix NX-7193 XT Dual-Port 10GbE SFP+ PCIe Network Card5,117$329Compare
Quorvex NX-2045 Ti Dual-Port 25GbE SFP28 PCIe Network Card5,720$489Compare
Quorvex NX-8536 Edge 2.5GbE RJ45 PCIe Network Card1,704$49Compare
Vantrel NX-5206 SE Dual-Port 10GbE RJ45 PCIe Network Card4,466$239Compare
Tessarix NX-9384 Core 10GbE RJ45 PCIe Network Card4,586$289Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-5559 Ultra 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/51455091 (accessed 2026-10-20).