Hardware Spec Index

Altrix PX-3944 Ultra Thunderbolt 5 NVMe Enclosure

PCIe Cards & NVMe Enclosures · Altrix · SKU PX3944-ULTRA · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index4,197 (PCIe Cards & NVMe Enclosures scale)
Category rank#41,637
Street price$239
Power8 W
Performance per dollar17.56
Released2026

Specifications

BrandAltrix
ModelAltrix PX-3944 Ultra
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

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

Similar PCIe Cards & NVMe Enclosures

ModelBenchmarkPriceCompare
Altrix PX-7133 Max PCIe 5.0 x16 Riser Cable2,394$99Compare
Tessarix PX-8825 SE Quad M.2 PCIe 5.0 x16 Card5,403$329Compare
Altrix PX-5665 Max PCIe 4.0 x16 Riser Cable4,205$259Compare
Veltrix PX-3964 Prime USB4 40Gbps NVMe Enclosure4,212$229Compare
Veltrix PX-5503 Max M.2 NVMe to PCIe 4.0 x4 Adapter1,742$59Compare
Altrix PX-9200 Max Quad M.2 PCIe 5.0 x16 Card5,600$339Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Altrix PX-3944 Ultra Thunderbolt 5 NVMe Enclosure”, https://vextor7.com/item/85538757 (accessed 2026-10-21).