US Patent 8462495 Disk drive carrier and disk drive enclosure cooling system

A cooling system having a enclosure, a plurality of disk drives stored in the enclosure, a first portion of the disk drives having housings with a first form factor and a second portion of the disk drives having housings with a second form factor smaller than the first form factor, and an air baffle system for directing a flow of air internal the enclosure over portions of the housing of the second portion of the disk drives while at the same time creating a wall to maintain the flow of air over neighboring ones of the first portion of the disk drives (the external flow).