Hardware Spec Index

Altrix PX-1255 Ultra USB4 40Gbps NVMe Enclosure

PCIe Cards & NVMe Enclosures · Altrix · SKU PX1255-ULTRA · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index4,598 (PCIe Cards & NVMe Enclosures scale)
Category rank#15,965
Street price$249
Power8 W
Performance per dollar18.47
Released2026

Specifications

BrandAltrix
ModelAltrix PX-1255 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

Related guides

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

Similar PCIe Cards & NVMe Enclosures

ModelBenchmarkPriceCompare
Altrix PX-1212 Plus Thunderbolt 5 NVMe Enclosure3,941$249Compare
Strivon PX-4009 Ultra PCIe 5.0 x16 Riser Cable2,788$109Compare
Veltrix PX-9226 Plus USB 3.2 Gen 2 NVMe Enclosure1,237$29Compare
Altrix PX-4042 Pro PCIe 5.0 x16 Riser Cable3,173$159Compare
Altrix PX-3394 Plus USB 3.2 Gen 2 NVMe Enclosure1,093$29Compare
Veltrix PX-5507 Ti Quad M.2 PCIe 4.0 x16 Card4,875$339Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Altrix PX-1255 Ultra USB4 40Gbps NVMe Enclosure”, https://vextor7.com/item/2805071 (accessed 2026-10-20).