Hardware Spec Index

Altrix PX-4255 Ultra USB 3.2 Gen 2 NVMe Enclosure

PCIe Cards & NVMe Enclosures · Altrix · SKU PX4255-ULTRA · Released 2021 · Updated 2026-10-18

Key facts

Benchmark index3,982 (PCIe Cards & NVMe Enclosures scale)
Category rank#43,490
Street price$199
Power8 W
Performance per dollar20.01
Released2021

Specifications

BrandAltrix
ModelAltrix PX-4255 Ultra
TypeUSB 3.2 Gen 2 NVMe Enclosure
Host interfaceUSB 3.2 Gen 2 (10Gbps), USB-C
ThroughputUp to 1,050 MB/s
Drive supportM.2 NVMe 2230 / 2242 / 2260 / 2280
CoolingAluminum shell, thermal pad
Bus powerYes (bus-powered)
CompatibilityWindows, macOS, Linux; UASP

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Cite this page: Hardware Spec Index, “Altrix PX-4255 Ultra USB 3.2 Gen 2 NVMe Enclosure”, https://vextor7.com/item/78282553 (accessed 2026-10-18).