Hard Drive Carrier or Sled 922-0621 Apple Rescue of Denver » Products Page » Macintosh to PowerPC » Case & Internal Parts (Macintosh) » Hard Drive Carrier or Sled 922-0621 To mount an internal hard drive Apple hard drive carrier or sled, 922-0621, stamped 815-0446. Carrier used in PowerMac 6100, 7300,7500,7600, 8100. LC / Performa 520, 550, 560, 575, 577, 578. Performa 611x series. Quadra 840AV, Beige G3 Desktop and more. Product in stock Price: $10.00 Updating cart... Updating...