Hardware Spec Index

Tessarix PX-8400 Plus Dual M.2 PCIe Switch Card

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX8400-PLUS · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index4,678 (PCIe Cards & NVMe Enclosures scale)
Category rank#4,125
Street price$289
Power6 W
Performance per dollar16.19
Released2023

Specifications

BrandTessarix
ModelTessarix PX-8400 Plus
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
Altrix PX-6098 Edge M.2 NVMe to PCIe 4.0 x4 Adapter1,083$29Compare
Tessarix PX-2992 Plus Dual M.2 PCIe Switch Card4,365$289Compare
Strivon PX-9681 Edge PCIe 4.0 x16 Riser Cable1,932$69Compare
Veltrix PX-7400 Prime M.2 NVMe to PCIe 4.0 x4 Adapter910$19Compare
Tessarix PX-2591 Max M.2 NVMe to PCIe 4.0 x4 Adapter1,121$29Compare
Tessarix PX-9913 Ultra USB 3.2 Gen 2 NVMe Enclosure1,450$39Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-8400 Plus Dual M.2 PCIe Switch Card”, https://vextor7.com/item/2743538 (accessed 2026-10-19).