If it didn't work, I could get other enclosures and connect them in some less convenient way. And I still have two 3-TB internal drives I can use to replace smaller drives in other enclosures and attach to my Time Capsule.įor $300 I felt it was worth the money to test the drives in the Pegasus. Since I made that change, I have had no problems with the Promise enclosure and I have gone from 14 TB of external storage to 18. But I decided to try using them as Pass Thru volumes and using ChronoSync to synchronize folders on the two drives for file duplication, instead of the RAID system. I thought that the drives were incompatible with the Pegasus2 and I would have to find a different way to use them. I had updated the firmware and the software. I could not access any of the drives and the Promise Utility would not even open the main window when it launched. I immediately began having freezes of the entire Pegasus2 enclosure. I initially installed the two 5-TB drives in a RAID configuration, thinking that increasing my storage from 6 total TB to 10 total TB, I could afford to lose half of the 10 to get a RAID backup of 5-TB in the two new drives. The 5-TB drives were not on Promise's compatibility list and I don't believe the 6's were either, although someone mentioned above that there is a 6-TB Toshiba listed as compatible by Promise. The 6-TB equivalent drives were also on sale, but around $200 each, more than I wanted to spend at that time. In answer to your original question, Charlie, I recently bought two 5-TB Toshiba internal drives. These also have not been tested by Promise.
If you ensure you have backups which of course you should have regardless then you should be covered.įor what its worth you can now get 10TB drives from HGST. untested drives but it will be at your own risk. I would say most of the time you can get away with using unlisted i.e. the Pegasus2 to tune their product for them, or to make them fully compatible.Ĭlearly security and reliability of data is important to nearly everyone and therefore many people would err on the side of caution. It could be that they will work perfectly it could be that they (Promise) might need to add specific settings to their RAID system e.g. Not being on the list does not necessarily mean the drive will not work, it merely means they have not tested them and therefore do not officially support them. These lists cover those make and model of drives that they have specifically tested and often might even list specific firmware releases of those drives. Most if not all RAID system suppliers including NAS systems have compatibility lists. Easy to Use: Pegasus comes pre-configured out of the box.I had a look on the Promise website and the only information I could find suggests that the only officially supported 6TB drive is the Toshiba MD04ACA600.
#REPLACE HARD DRIVE PROMISE PEGASUS R4 SERIAL#
Daisy-chain more than one Pegasus enclosures to a single Thunderbolt technology port or connect a display to Pegasus for the ultimate in convenience and interface connectivity Promise Technology : Series Pegasus 32 R4 : Item model number P32R4HD16US : Hardware Platform PC, Mac : Item Weight 19.3 pounds : Product Dimensions 9.6 x 7.3 x 7.5 inches : Item Dimensions LxWxH 9.6 x 7.3 x 7.5 inches : Color Black : Flash Memory Size 4 : Hard Drive Interface Serial ATA : Hard Drive Rotational. Flexible Connectivity: The multi-protocol support of Thunderbolt Technology enables Pegasus to deliver amazing flexibility.Lightning Fast Performance: Pegasus allows amateur professionals, audio engineers, photographers and post production engineers to unleash the raw power of Pegasus and Thunderbolt Technology.Promise Pegasus R4 – hard drive array Model: Promise Technology PR401US (PR401US)
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