Hardware Spec Index

Tessarix NX-6939 Prime 25GbE SFP28 PCIe Network Card

Network Cards · Tessarix · SKU NX6939-PRIME · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index5,647 (Network Cards scale)
Category rank#27,006
Street price$379
Power6 W
Performance per dollar14.90
Released2025

Specifications

BrandTessarix
ModelTessarix NX-6939 Prime
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
Tessarix NX-5819 Max 10GbE SFP+ PCIe Network Card5,449$419Compare
Strivon NX-2289 XT Dual-Port 10GbE RJ45 PCIe Network Card3,500$169Compare
Quorvex NX-5130 Ultra Dual-Port 25GbE SFP28 PCIe Network Card5,921$489Compare
Strivon NX-5396 Plus 2.5GbE RJ45 PCIe Network Card1,756$49Compare
Vantrel NX-9836 Ti 2.5GbE RJ45 PCIe Network Card3,023$129Compare
Tessarix NX-2957 Edge Dual-Port 10GbE RJ45 PCIe Network Card4,342$289Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-6939 Prime 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/12937408 (accessed 2026-10-23).