Hardware Spec Index

Altrix PX-3999 XT Thunderbolt 5 NVMe Enclosure

PCIe Cards & NVMe Enclosures · Altrix · SKU PX3999-XT · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index4,340 (PCIe Cards & NVMe Enclosures scale)
Category rank#10,222
Street price$259
Power8 W
Performance per dollar16.76
Released2025

Specifications

BrandAltrix
ModelAltrix PX-3999 XT
TypeThunderbolt 5 NVMe Enclosure
Host interfaceThunderbolt 5 (80Gbps), USB4 compatible
ThroughputUp to 6,000 MB/s
Drive supportM.2 NVMe 2230 / 2242 / 2260 / 2280
CoolingAluminum shell, thermal pad
Bus powerYes (bus-powered)
CompatibilityWindows, macOS, Linux; UASP

Related guides

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Cite this page: Hardware Spec Index, “Altrix PX-3999 XT Thunderbolt 5 NVMe Enclosure”, https://vextor7.com/item/16636258 (accessed 2026-10-21).