iMac G3 (Slot) Hard Drive Optical Drive Carrier $5.00 All Slot Loading iMacs iMac G3 (Slot) Hard Drive Optical Drive Carrier quantity Add to cart Add to Quote Continue Shopping Category: M5521 iMac G3 (Slot Load) Description Apple 922-4040, 4950TKK162, 4950TKK163. For all Slot Loading G3 iMacs through 2001. Hard Drive, CD, CD-RW, DVD Carrier.