When are the Pegasus R4i and J2i available?

  • Both are available and shipping as of Dec 10th These solutions are now available for purchase on Apple.com and will be available soon through the Promise global network of distributors and value-added resellers.


What features does Pegasus R4i/J2i offer?

    • 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
    • Preformatted, preconfigured HW RAID5 (24TB usable)
    • 3-Year hardware warranty, global support
    • Custom 2 Bay enclosure and cable assembly
    • One 8TB 7200rpm SATA HDD pre-installed, pre-formatted
    • Bay and kit for optional additional 3.5” SATA HDD (to be installed by end-user)
    • 3-Year hardware warranty, global support



Why should you consider adding more storage to your new Mac Pro?

  • Mac Pro has many built-in flash storage options but max capacity is 4TB capacity. You will need much more capacity to store the video files you edit.
  • Promise PegasusJ2i internal storage enclosure provides simple high capacity storage. An elegant chassis to fit right into its special space with a custom cable for power and data and a 7200 rpm SATA HDD storing 8TB of data. There’s a bay and mounting hw to Add an extra device from the Promise compatibility list if you need more space later.  Price starts at $399 MSRP.
  • If you need more capacity, performance with protection then Use the Pegasus R4i MPX RAID module. The Elegant chassis fits beautifully into either MPX slot for an easy install with no cables, plug & play with a driver built into macOS Catalina and 4 swappable 7200 rpm SATA drive modules preformatted HFS+ And preconfigured HW RAID 5 for 24TB usable/32TB raw with upto 680MB/s thru-put to handle 4K streams. Your data is protected by the legendary Promise HW RAID. If a drive fails just swap out a drive module and get back up and running.  You can add another RAID MPX Module if needed to use both MPX slots.  $2299 MSRP
  • If you need even more capacity or performance then connect a Pegasus32 RAID system over a Thunderbolt3 cable with up-to 128 TB in 4/6/8 bay external tower for up-to 1800 MB/s thru-put. Enough power for handling 8K streams. Daisy chain additional Pegasus32 units for even more storage.  The included Promise Utility helps monitor and manage your Pegasus inside or outside the Mac Pro.  Get Promise worldwide tech support if needed anytime during business hours in region.  All Promise systems backed by a solid 3yr HW warranty.



When can I expect to see flash based or higher capacities of the Pegasus R4i MPX module and J2i?

  • Additional devices are coming soon in all these options With Even more capacity, or SSDs for speed. Do the math! Capacity + Performance + Protection + Peace of Mind = Promise Pegasus.
  • Purchase at Apple Store or thru Promise network of Value Added Resellers.


Where can I find knowledge base articles for the New Mac Pro?



Which slot should I install the Pegasus R4i MPX module?



How to Install the Pegasus J2i module?





What kind of performance can I expect out of the default Pegasus R4i RAID 5 configuration?



What kind of performance can I expect out of the pre-installed, pre-formatted 8TB 7200rpm SATA HDD in the Pegasus R2i?



How to install two Pegasus R4i MPX modules in the same Mac Pro and what performance can I expect?



How to connect Pegasus32 to the Mac Pro and what performance can I expect for Pegasus32 R4, R6 and R8?