Hardware Spec Index

Tessarix NX-8947 Ultra 25GbE SFP28 PCIe Network Card

Network Cards · Tessarix · SKU NX8947-ULTRA · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index5,028 (Network Cards scale)
Category rank#33,273
Street price$319
Power6 W
Performance per dollar15.76
Released2022

Specifications

BrandTessarix
ModelTessarix NX-8947 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
Quorvex NX-9186 Core 10GbE RJ45 PCIe Network Card4,590$289Compare
Quorvex NX-6648 Ti Dual-Port 10GbE RJ45 PCIe Network Card5,415$439Compare
Strivon NX-5823 Pro Dual-Port 25GbE SFP28 PCIe Network Card5,086$369Compare
Vantrel NX-6129 Plus 2.5GbE RJ45 PCIe Network Card1,800$49Compare
Strivon NX-9454 Ti Dual-Port 10GbE RJ45 PCIe Network Card3,575$199Compare
Strivon NX-6146 Max 10GbE SFP+ PCIe Network Card5,508$409Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-8947 Ultra 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/30004054 (accessed 2026-10-20).