Hardware Spec Index

Tessarix NX-3812 SE 25GbE SFP28 PCIe Network Card

Network Cards · Tessarix · SKU NX3812-SE · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index5,701 (Network Cards scale)
Category rank#11,570
Street price$479
Power6 W
Performance per dollar11.90
Released2021

Specifications

BrandTessarix
ModelTessarix NX-3812 SE
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-8979 Edge 2.5GbE RJ45 PCIe Network Card1,114$29Compare
Tessarix NX-7789 Ti Dual-Port 10GbE SFP+ PCIe Network Card5,853$409Compare
Vantrel NX-3059 XT 10GbE SFP+ PCIe Network Card4,242$269Compare
Tessarix NX-6541 Core Dual-Port 25GbE SFP28 PCIe Network Card5,367$349Compare
Strivon NX-7065 Ultra 10GbE RJ45 Thunderbolt Adapter3,394$149Compare
Vantrel NX-4004 Max 2.5GbE RJ45 PCIe Network Card2,533$99Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-3812 SE 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/3224705 (accessed 2026-10-19).