Hardware Spec Index

Altrix PX-8581 Pro USB4 40Gbps NVMe Enclosure

PCIe Cards & NVMe Enclosures · Altrix · SKU PX8581-PRO · Released 2026 · Updated 2026-10-26

Key facts

Benchmark index3,730 (PCIe Cards & NVMe Enclosures scale)
Category rank#42,668
Street price$169
Power8 W
Performance per dollar22.07
Released2026

Specifications

BrandAltrix
ModelAltrix PX-8581 Pro
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
Strivon PX-1108 Max M.2 NVMe to PCIe 4.0 x4 Adapter3,801$199Compare
Tessarix PX-8110 Core M.2 NVMe to PCIe 4.0 x4 Adapter5,276$329Compare
Veltrix PX-9249 Ti USB 3.2 Gen 2 NVMe Enclosure3,676$189Compare
Tessarix PX-6411 Plus PCIe 5.0 x16 Riser Cable3,864$219Compare
Veltrix PX-3227 Ultra M.2 NVMe to PCIe 4.0 x4 Adapter730$19Compare
Veltrix PX-2099 Ti M.2 NVMe to PCIe 4.0 x4 Adapter4,154$259Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Altrix PX-8581 Pro USB4 40Gbps NVMe Enclosure”, https://vextor7.com/item/8037029 (accessed 2026-10-26).