Hardware Spec Index

Tessarix PX-3781 Core Dual M.2 PCIe Switch Card

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX3781-CORE · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index5,600 (PCIe Cards & NVMe Enclosures scale)
Category rank#36,181
Street price$359
Power6 W
Performance per dollar15.60
Released2021

Specifications

BrandTessarix
ModelTessarix PX-3781 Core
TypeDual M.2 PCIe Switch Card
Host interfacePCIe 4.0 x8 with onboard PCIe switch (no bifurcation needed)
ThroughputUp to 14,000 MB/s aggregate
Drive supportM.2 NVMe 2230 / 2242 / 2260 / 2280
CoolingPassive heatsink
Bus powerSlot-powered
CompatibilityUEFI boot supported; check slot bifurcation

Related guides

NVMe SSDs ExplainedPCIe Lanes ExplainedUSB4 ExplainedThunderbolt 5 ExplainedPCIe 5.0 Explained

Similar PCIe Cards & NVMe Enclosures

ModelBenchmarkPriceCompare
Tessarix PX-4600 Ti Quad M.2 PCIe 4.0 x16 Card5,600$399Compare
Veltrix PX-1717 Core Quad M.2 PCIe 4.0 x16 Card3,109$159Compare
Tessarix PX-2760 Ti Quad M.2 PCIe 4.0 x16 Card4,869$279Compare
Veltrix PX-2016 XT PCIe 4.0 x16 Riser Cable1,736$49Compare
Tessarix PX-3941 Max Dual M.2 PCIe Switch Card4,905$299Compare
Altrix PX-3470 Plus Quad M.2 PCIe 4.0 x16 Card2,964$119Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-3781 Core Dual M.2 PCIe Switch Card”, https://vextor7.com/item/71671305 (accessed 2026-10-20).