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Now Available: Promise Technology Pegasus R4i and J2i for Apple Mac Pro

MILPITAS, Calif./ HSINCHU, Taiwan – December 10, 2019 – Promise Technology Inc., leader in providing cutting-edge storage solutions for a variety of markets, today announces the availability of its custom storage solutions – Pegasus R4i and Pegasus J2i – designed for the all-new Mac Pro. These solutions are now available for purchase on and will be available soon through the Promise global network of distributors and value-added resellers.

 “Promise Technology is very proud to deliver these elegant and robust solutions for the all-new Mac Pro,” said Edward Lin, Chairman, Promise Technology. “These products deliver the performance, reliability and value of the vaunted Pegasus line to the new Mac Pro and bring even greater storage solutions to Mac Pro customers”

Product highlights for the Pegasus R4i, include:

  • Elegant and rugged chassis designed uniquely to fit into Mac Pro’s MPX slots
  • Plug & Play with built in driver in macOS
  • Four swappable modules with 8TB 7200rpm SATA HDDs- pre-formatted and pre-installed
  • Best-in-class Pegasus hardware RAID - an optimal combination of capacity, redundancy and performance with up to 680 MB/s in RAID5
  • Promise Pegasus Utility for simple-to-use but powerful storage management and monitoring


Product highlights for the Pegasus J2i, include:

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


These custom-designed systems allow for easy installation and work flawlessly within the new Mac Pro and macOS Catalina. They come with a 3-year hardware warranty and are supported by Promise’s dedicated global support team. Additional capacities and configurations should be available soon. Those interested in learning more about the new products or purchasing them, please visit, or

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About Promise Technology

Promise Technology is a recognized global leader with over 30 years of experience in the storage industry. Promise creates innovative solutions tailored to the unique needs of the Surveillance, Rich Media, IT and Cloud markets. From custom-designed storage devices, to scalable enterprise IT Infrastructure, blazingly fast post-production tools, and video security solutions, Promise adapts its products to meet the real-world challenges customers face every day. Promise’s highly experienced sales and engineering teams are strategically located throughout the Americas, Europe, Middle East, JAPAC, and China regions to provide unparalleled services and support to its customers around the globe. For more information, visit:     

Media Contacts


Ya-Ping Hsu
+1 (408) 645-3499

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