Hardware Spec Index

Tessarix NX-1256 Pro 25GbE SFP28 PCIe Network Card

Network Cards · Tessarix · SKU NX1256-PRO · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index4,325 (Network Cards scale)
Category rank#49,654
Street price$299
Power6 W
Performance per dollar14.46
Released2025

Specifications

BrandTessarix
ModelTessarix NX-1256 Pro
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
Vantrel NX-5965 Ti 25GbE SFP28 PCIe Network Card4,785$309Compare
Tessarix NX-2145 Prime 25GbE SFP28 PCIe Network Card6,085$479Compare
Quorvex NX-3381 Edge 2.5GbE RJ45 USB Adapter3,288$159Compare
Tessarix NX-6659 Prime 5GbE RJ45 PCIe Network Card3,628$209Compare
Tessarix NX-9763 Ultra 10GbE SFP+ PCIe Network Card3,497$199Compare
Vantrel NX-6936 Ultra Dual-Port 10GbE RJ45 PCIe Network Card5,226$379Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-1256 Pro 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/144577 (accessed 2026-10-23).