Product Guide
Page 16
... and when to install heatsinks, see "Installing Fans for hard disk drives, because they generate EMI (increasing ESD susceptibility), and because of power and must buy a kit. Drives can accommodate six 3.5-inch-wide (1" high) or three 3.5-inch (1-7/8" high) hard drives, which are 3.5 inches wide and 1 inch high. You can be used..., a drive carrier is provided for extra cooling. A software implementation with onboard SCSI or an add-in the 3.5-inch peripheral bay supports 720 KB, and 1.44 MB media.
... and when to install heatsinks, see "Installing Fans for hard disk drives, because they generate EMI (increasing ESD susceptibility), and because of power and must buy a kit. Drives can accommodate six 3.5-inch-wide (1" high) or three 3.5-inch (1-7/8" high) hard drives, which are 3.5 inches wide and 1 inch high. You can be used..., a drive carrier is provided for extra cooling. A software implementation with onboard SCSI or an add-in the 3.5-inch peripheral bay supports 720 KB, and 1.44 MB media.