Hardware Spec Index

Tessarix NX-1840 Pro 25GbE SFP28 PCIe Network Card

Network Cards · Tessarix · SKU NX1840-PRO · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index4,581 (Network Cards scale)
Category rank#36,765
Street price$259
Power6 W
Performance per dollar17.69
Released2021

Specifications

BrandTessarix
ModelTessarix NX-1840 Pro
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
Vantrel NX-7977 Prime 5GbE RJ45 PCIe Network Card2,524$99Compare
Tessarix NX-1334 XT 2.5GbE RJ45 USB Adapter1,495$39Compare
Quorvex NX-4528 Edge 25GbE SFP28 PCIe Network Card5,237$449Compare
Strivon NX-8560 Ti 2.5GbE RJ45 PCIe Network Card1,115$29Compare
Strivon NX-3313 Ti 5GbE RJ45 USB Adapter2,397$89Compare
Quorvex NX-4017 Prime 5GbE RJ45 PCIe Network Card4,410$259Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-1840 Pro 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/1348074 (accessed 2026-10-23).