Hardware Spec Index

Tessarix NX-6903 Ultra Dual-Port 25GbE SFP28 PCIe Network Card

Network Cards · Tessarix · SKU NX6903-ULTRA · Released 2021 · Updated 2026-10-18

Key facts

Benchmark index5,118 (Network Cards scale)
Category rank#38,994
Street price$359
Power8 W
Performance per dollar14.26
Released2021

Specifications

BrandTessarix
ModelTessarix NX-6903 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-1976 Prime 2.5GbE RJ45 PCIe Network Card869$29Compare
Tessarix NX-7506 Ultra 10GbE SFP+ PCIe Network Card5,591$439Compare
Strivon NX-5490 Ultra 2.5GbE RJ45 PCIe Network Card3,003$149Compare
Strivon NX-9087 Ti 10GbE RJ45 PCIe Network Card3,426$159Compare
Tessarix NX-5126 Ti 5GbE RJ45 PCIe Network Card4,377$269Compare
Vantrel NX-7967 Ti 25GbE SFP28 PCIe Network Card5,706$469Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-6903 Ultra Dual-Port 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/4052006 (accessed 2026-10-18).