Hardware Spec Index

Altrix PX-9975 Pro Dual M.2 PCIe Switch Card

PCIe Cards & NVMe Enclosures · Altrix · SKU PX9975-PRO · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index4,923 (PCIe Cards & NVMe Enclosures scale)
Category rank#38,078
Street price$339
Power6 W
Performance per dollar14.52
Released2021

Specifications

BrandAltrix
ModelAltrix PX-9975 Pro
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
CoolingHeatsink + 40 mm fan
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
Veltrix PX-6802 Pro Dual M.2 PCIe Switch Card4,192$259Compare
Veltrix PX-7106 Ti PCIe 5.0 x16 Riser Cable2,097$69Compare
Strivon PX-1697 Edge USB 3.2 Gen 2x2 NVMe Enclosure4,621$319Compare
Veltrix PX-7221 Plus PCIe 4.0 x16 Riser Cable2,614$109Compare
Strivon PX-1911 Ultra Quad M.2 PCIe 4.0 x16 Card2,454$89Compare
Altrix PX-9152 Ultra M.2 NVMe to PCIe 4.0 x4 Adapter1,288$29Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Altrix PX-9975 Pro Dual M.2 PCIe Switch Card”, https://vextor7.com/item/6977977 (accessed 2026-10-20).