Hardware Spec Index

Tessarix PX-8158 Prime Dual M.2 PCIe Switch Card

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX8158-PRIME · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index5,107 (PCIe Cards & NVMe Enclosures scale)
Category rank#35,716
Street price$319
Power6 W
Performance per dollar16.01
Released2022

Specifications

BrandTessarix
ModelTessarix PX-8158 Prime
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

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Cite this page: Hardware Spec Index, “Tessarix PX-8158 Prime Dual M.2 PCIe Switch Card”, https://vextor7.com/item/4775161 (accessed 2026-10-22).