Hardware Spec Index

Tessarix NX-3557 Ultra Dual-Port 25GbE SFP28 PCIe Network Card

Network Cards · Tessarix · SKU NX3557-ULTRA · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index5,660 (Network Cards scale)
Category rank#214
Street price$419
Power8 W
Performance per dollar13.51
Released2025

Specifications

BrandTessarix
ModelTessarix NX-3557 Ultra
Speed25GbE (25G)
Ports2× 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
Quorvex NX-3998 Ultra Dual-Port 10GbE RJ45 PCIe Network Card6,051$429Compare
Vantrel NX-2333 XT Dual-Port 25GbE SFP28 PCIe Network Card5,306$339Compare
Vantrel NX-6866 Pro 5GbE RJ45 PCIe Network Card3,976$229Compare
Strivon NX-1638 Plus 2.5GbE RJ45 USB Adapter2,670$99Compare
Strivon NX-7540 Prime Dual-Port 25GbE SFP28 PCIe Network Card5,439$329Compare
Tessarix NX-8786 XT Dual-Port 10GbE RJ45 PCIe Network Card3,885$219Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-3557 Ultra Dual-Port 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/8737858 (accessed 2026-10-25).