Hardware Spec Index

Tessarix NX-4945 XT Dual-Port 25GbE SFP28 PCIe Network Card

Network Cards · Tessarix · SKU NX4945-XT · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index5,984 (Network Cards scale)
Category rank#807
Street price$499
Power8 W
Performance per dollar11.99
Released2025

Specifications

BrandTessarix
ModelTessarix NX-4945 XT
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
Vantrel NX-5340 Prime 5GbE RJ45 USB Adapter3,218$139Compare
Strivon NX-9828 Edge Dual-Port 10GbE RJ45 PCIe Network Card4,321$239Compare
Strivon NX-2177 Ti 2.5GbE RJ45 PCIe Network Card816$19Compare
Tessarix NX-8673 SE 2.5GbE RJ45 PCIe Network Card815$19Compare
Tessarix NX-2711 Ultra 2.5GbE RJ45 PCIe Network Card2,019$69Compare
Tessarix NX-3889 Ultra 5GbE RJ45 PCIe Network Card1,719$59Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-4945 XT Dual-Port 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/89080602 (accessed 2026-10-23).