Hardware Spec Index

Altrix PX-9956 Pro Dual M.2 PCIe Switch Card

PCIe Cards & NVMe Enclosures · Altrix · SKU PX9956-PRO · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index3,986 (PCIe Cards & NVMe Enclosures scale)
Category rank#34,102
Street price$189
Power6 W
Performance per dollar21.09
Released2021

Specifications

BrandAltrix
ModelAltrix PX-9956 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
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-9412 Prime USB 3.2 Gen 2x2 NVMe Enclosure1,477$39Compare
Tessarix PX-3558 Max Quad M.2 PCIe 4.0 x16 Card2,666$99Compare
Strivon PX-2539 Prime USB 3.2 Gen 2 NVMe Enclosure1,536$39Compare
Tessarix PX-1047 Pro USB 3.2 Gen 2 NVMe Enclosure4,070$229Compare
Altrix PX-1199 Ti M.2 NVMe to PCIe 4.0 x4 Adapter817$19Compare
Tessarix PX-1991 Edge Quad M.2 PCIe 4.0 x16 Card3,396$139Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Altrix PX-9956 Pro Dual M.2 PCIe Switch Card”, https://vextor7.com/item/20114620 (accessed 2026-10-21).