https://community.hpe.com/t5/disk-enclosures/integrated-smart-array-controller/m-p/2466405#M456 Since it can ONLY support internal drives and there are only so many internal bays... But the system has 6x 1" bays, so unless you are trying to put half-height drives (there aren't any for this system), the limit is 6. Wed, 20 Dec 2000 00:00:00 GMT Ayman Altounji 2000-12-20T00:00:00Z https://community.hpe.com/t5/disk-enclosures/integrated-smart-array-controller/m-p/2466404#M455 Can the Integrated Smart Array Controller (RAID On Chip) Controller in ML 370 support more than 3 hard disk drives in an NT Environment? <BR />Secondly, does the above mentioned controller support Hot Spare Disks? Wed, 22 Nov 2000 00:00:00 GMT https://community.hpe.com/t5/disk-enclosures/integrated-smart-array-controller/m-p/2466404#M455 Ayman Altounji 2000-11-22T00:00:00Z https://community.hpe.com/t5/disk-enclosures/integrated-smart-array-controller/m-p/2466405#M456 Since it can ONLY support internal drives and there are only so many internal bays... But the system has 6x 1" bays, so unless you are trying to put half-height drives (there aren't any for this system), the limit is 6. Wed, 20 Dec 2000 00:00:00 GMT https://community.hpe.com/t5/disk-enclosures/integrated-smart-array-controller/m-p/2466405#M456 Ayman Altounji 2000-12-20T00:00:00Z