Hardware Spec Index

Altrix PX-8791 Prime USB4 40Gbps NVMe Enclosure

PCIe Cards & NVMe Enclosures · Altrix · SKU PX8791-PRIME · Released 2026 · Updated 2026-10-26

Key facts

Benchmark index3,004 (PCIe Cards & NVMe Enclosures scale)
Category rank#18,736
Street price$139
Power8 W
Performance per dollar21.61
Released2026

Specifications

BrandAltrix
ModelAltrix PX-8791 Prime
TypeUSB4 40Gbps NVMe Enclosure
Host interfaceUSB4 (40Gbps), Thunderbolt 3/4 compatible
ThroughputUp to 3,800 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-8791 Prime USB4 40Gbps NVMe Enclosure”, https://vextor7.com/item/1892391 (accessed 2026-10-26).