Hardware Spec Index

Tessarix NX-3781 Plus 25GbE SFP28 PCIe Network Card

Network Cards · Tessarix · SKU NX3781-PLUS · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index4,448 (Network Cards scale)
Category rank#4,681
Street price$339
Power6 W
Performance per dollar13.12
Released2026

Specifications

BrandTessarix
ModelTessarix NX-3781 Plus
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
Quorvex NX-8132 SE Dual-Port 10GbE SFP+ PCIe Network Card5,690$429Compare
Vantrel NX-5056 Prime 10GbE RJ45 PCIe Network Card5,384$399Compare
Tessarix NX-5414 Edge 2.5GbE RJ45 USB Adapter1,550$39Compare
Quorvex NX-7891 Ultra 10GbE SFP+ PCIe Network Card4,273$299Compare
Vantrel NX-2210 Core 10GbE RJ45 PCIe Network Card3,702$179Compare
Vantrel NX-6043 SE 2.5GbE RJ45 PCIe Network Card1,017$29Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-3781 Plus 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/355974 (accessed 2026-10-21).