Hardware Spec Index

Tessarix NX-7439 Ultra 25GbE SFP28 PCIe Network Card

Network Cards · Tessarix · SKU NX7439-ULTRA · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index6,007 (Network Cards scale)
Category rank#44,184
Street price$489
Power6 W
Performance per dollar12.28
Released2019

Specifications

BrandTessarix
ModelTessarix NX-7439 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
Tessarix NX-3339 Prime 2.5GbE RJ45 PCIe Network Card771$19Compare
Strivon NX-9586 Pro 10GbE SFP+ PCIe Network Card5,525$409Compare
Quorvex NX-6341 Ultra 2.5GbE RJ45 USB Adapter3,334$149Compare
Vantrel NX-7448 Plus 5GbE RJ45 USB Adapter2,708$119Compare
Quorvex NX-9491 Edge 25GbE SFP28 PCIe Network Card5,971$439Compare
Quorvex NX-9149 Core Dual-Port 10GbE RJ45 PCIe Network Card3,215$149Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-7439 Ultra 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/15059645 (accessed 2026-10-19).