Hardware Spec Index

Tessarix NX-2939 SE Dual-Port 25GbE SFP28 PCIe Network Card

Network Cards · Tessarix · SKU NX2939-SE · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index6,047 (Network Cards scale)
Category rank#446
Street price$499
Power8 W
Performance per dollar12.12
Released2024

Specifications

BrandTessarix
ModelTessarix NX-2939 SE
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-8002 Edge 2.5GbE RJ45 PCIe Network Card1,452$39Compare
Quorvex NX-9993 XT 10GbE RJ45 PCIe Network Card5,056$359Compare
Tessarix NX-7739 Max 2.5GbE RJ45 PCIe Network Card2,143$79Compare
Strivon NX-1657 Ultra 2.5GbE RJ45 USB Adapter2,971$119Compare
Tessarix NX-9249 Max 5GbE RJ45 PCIe Network Card2,241$79Compare
Vantrel NX-4920 Ti 10GbE SFP+ PCIe Network Card3,399$169Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-2939 SE Dual-Port 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/4889993 (accessed 2026-10-21).