Hardware Spec Index

Altrix PX-9558 Pro M.2 NVMe to PCIe 4.0 x4 Adapter

PCIe Cards & NVMe Enclosures · Altrix · SKU PX9558-PRO · Released 2020 · Updated 2026-10-18

Key facts

Benchmark index1,067 (PCIe Cards & NVMe Enclosures scale)
Category rank#20,679
Street price$29
Power6 W
Performance per dollar36.79
Released2020

Specifications

BrandAltrix
ModelAltrix PX-9558 Pro
TypeM.2 NVMe to PCIe 4.0 x4 Adapter
Host interfacePCIe 4.0 x4 (passive)
ThroughputUp to 7,500 MB/s (drive-limited)
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
Veltrix PX-5148 Ultra USB 3.2 Gen 2x2 NVMe Enclosure3,197$139Compare
Altrix PX-3652 Edge USB 3.2 Gen 2 NVMe Enclosure3,143$129Compare
Strivon PX-3041 Max Quad M.2 PCIe 5.0 x16 Card5,322$299Compare
Veltrix PX-2984 Pro Dual M.2 PCIe Switch Card3,964$209Compare
Altrix PX-8784 Pro USB 3.2 Gen 2 NVMe Enclosure2,238$89Compare
Strivon PX-7917 Ultra Quad M.2 PCIe 4.0 x16 Card5,458$389Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Altrix PX-9558 Pro M.2 NVMe to PCIe 4.0 x4 Adapter”, https://vextor7.com/item/59474 (accessed 2026-10-18).