Drive Rails PowerMac 7200-7600 Apple Rescue of Denver » Products Page » PowerMac 7200-7600 » Drive Rails PowerMac 7200-7600 Hard drive or CD Apple 922-1658, stamped 815-1954. These drive rails are used on the lower shelf of the Power Mac 7200, 7300, 7500 and 7600 for the CD-ROM drive and additional hard drive or zip drive sled or carrier to slide into. Sold by the pair. Product in stock Price: $10.00 Updating cart... Updating...