Drobo Storage system Manual page 25

Buying Drives for Drobo
Drobo uses any SATA hard drive, from any manufacturer, of any capacity, and of
any spindle speed (5400 RPM, 7200 RPM, etc). You are able to mix and match
hard drives in Drobo and it will take full advantage of the capacity on the hard
drives you add to the system.
Drobo has been successfully tested with the most popular hard drives on the
market. However, in the event that we should discover any particular issue with a
specific brand of drive, these will be listed on the support website:
www.drobo.com/support/aspx.
Tip: To help you determine what hard drive size you need to add in order to
reach a specific total storage capacity, use Drobolator. It's an online Drobo
simulator that lets you drag and drop imaginary hard drives into a virtual Drobo. It
will tell you what hard drive sizes you need to reach an overall total storage
capacity.
Warning: Drobo cannot use PATA and SCSI hard drives.
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