Promise Internal Pegasus Storage Custom-Designed for New Mac Pro

Apple Mac Pro Promise 2

Fresh off the heels of the big Apple Mac Pro announcement from WWDC on Tuesday Promise Technology Inc., today announced new internal storage options for the Mac Pro. The Promise Pegasus R4i and Pegasus J2i.

These two MPX modules simply slide into the MPX slot of the Mac Pro for seamless integration.

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Pegasus R4i: 4-bay PCIe RAID Storage for the new Mac Pro

  • Elegant and rugged chassis designed uniquely to fit into the new Mac Pro’s PCIe slots
  • Four swappable modules with 8TB 7200rpm SATA HDDs- pre-formatted and pre-installed
  • Best-in-class Pegasus hardware RAID5 for an optimal combination of performance, capacity, and redundancy
  • Use the latest Promise Pegasus Utility for simple-to-use but powerful storage management and monitoring

Promise Pegasus J2i: 2-bay Internal Storage Enclosure for the new Mac Pro

  • One 8TB 7200 rpm SATA HDD pre-installed, pre-formatted
  • Bay for an optional additional HDD (to be installed by customers)
  • Custom internal cable assembly


These systems, co-designed to allow easy installation into and work flawlessly within the Mac Pro and macOS Bothe come with a 3-year hardware warranty and are supported by Promise’s global team.

Pegasus R4i and Pegasus J2i will be available later this year for purchase worldwide at the Apple Store, at Apple Premium Resellers and through the Promise global network of distributors. Pricing has not been announced.

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