Hardware Spec Index

Tessarix PX-4491 XT USB 3.2 Gen 2x2 NVMe Enclosure

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX4491-XT · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index4,040 (PCIe Cards & NVMe Enclosures scale)
Category rank#24,841
Street price$189
Power8 W
Performance per dollar21.38
Released2022

Specifications

BrandTessarix
ModelTessarix PX-4491 XT
TypeUSB 3.2 Gen 2x2 NVMe Enclosure
Host interfaceUSB 3.2 Gen 2x2 (20Gbps), USB-C
ThroughputUp to 2,000 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, “Tessarix PX-4491 XT USB 3.2 Gen 2x2 NVMe Enclosure”, https://vextor7.com/item/6462902 (accessed 2026-10-20).