Hardware Spec Index

Veltrix PX-6657 Ultra USB4 40Gbps NVMe Enclosure

PCIe Cards & NVMe Enclosures · Veltrix · SKU PX6657-ULTRA · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index2,752 (PCIe Cards & NVMe Enclosures scale)
Category rank#21,654
Street price$119
Power8 W
Performance per dollar23.13
Released2022

Specifications

BrandVeltrix
ModelVeltrix PX-6657 Ultra
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, “Veltrix PX-6657 Ultra USB4 40Gbps NVMe Enclosure”, https://vextor7.com/item/342822 (accessed 2026-10-22).