InstAllIng dIsk drIVes
The Vess A-Series subsystems support:
• SATA hard disks
• 3.5-inch hard disk drives
For a list of supported physical drives, download the latest compatibility list from the PROMISE support website.
numBer oF drIveS requIred
The table below shows the number of drives required for each RAID level
Level Number of Drives Level Number of Drives
RAID 0 1 or more RAID 6 4 to 32
RAID 1 2 only RAID 10 4 or more*
RAID 1E 2 or more RAID 30 6 or more
RAID 3 3 to 32 RAID 50 6 or more
RAID 5 3 to 32 RAID 60 8 or more
*Must be an even number of drives.
Caution
The Vess supports disk drive hot-swapping. To avoid hand contact with an
electrical hazard, do not remove more than one drive carrier a time.
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Vess A Class NVR Storage Appliance Promise Technology