Hardware Spec Index

Altrix PX-9521 Plus USB4 40Gbps NVMe Enclosure

PCIe Cards & NVMe Enclosures · Altrix · SKU PX9521-PLUS · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index3,479 (PCIe Cards & NVMe Enclosures scale)
Category rank#16,970
Street price$149
Power8 W
Performance per dollar23.35
Released2025

Specifications

BrandAltrix
ModelAltrix PX-9521 Plus
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

Related guides

NVMe SSDs ExplainedUSB4 ExplainedM.2 SSD Sizes and KeysPCIe Lanes ExplainedThunderbolt 5 ExplainedPCIe 5.0 Explained

Similar PCIe Cards & NVMe Enclosures

ModelBenchmarkPriceCompare
Veltrix PX-5241 Ultra M.2 NVMe to PCIe 4.0 x4 Adapter2,243$79Compare
Strivon PX-7533 Ti USB 3.2 Gen 2 NVMe Enclosure2,097$69Compare
Altrix PX-4404 Ultra M.2 NVMe to PCIe 4.0 x4 Adapter2,436$89Compare
Altrix PX-7884 Ti USB 3.2 Gen 2x2 NVMe Enclosure2,931$109Compare
Altrix PX-8791 Plus USB 3.2 Gen 2x2 NVMe Enclosure2,293$79Compare
Altrix PX-5428 Core USB4 40Gbps NVMe Enclosure4,855$269Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Altrix PX-9521 Plus USB4 40Gbps NVMe Enclosure”, https://vextor7.com/item/41362231 (accessed 2026-10-24).