Hardware Spec Index

Altrix PX-1256 Pro Dual M.2 PCIe Switch Card

PCIe Cards & NVMe Enclosures · Altrix · SKU PX1256-PRO · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index4,137 (PCIe Cards & NVMe Enclosures scale)
Category rank#49,895
Street price$249
Power6 W
Performance per dollar16.61
Released2021

Specifications

BrandAltrix
ModelAltrix PX-1256 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-8015 Pro M.2 NVMe to PCIe 4.0 x4 Adapter1,239$39Compare
Altrix PX-5779 Ti USB4 40Gbps NVMe Enclosure4,577$279Compare
Veltrix PX-4513 Prime Quad M.2 PCIe 4.0 x16 Card3,197$139Compare
Strivon PX-9094 SE PCIe 4.0 x16 Riser Cable2,830$119Compare
Tessarix PX-7335 Prime USB 3.2 Gen 2x2 NVMe Enclosure2,826$119Compare
Altrix PX-3080 XT M.2 NVMe to PCIe 4.0 x4 Adapter3,082$129Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Altrix PX-1256 Pro Dual M.2 PCIe Switch Card”, https://vextor7.com/item/7560835 (accessed 2026-10-23).