EMC Retrospect® for Macintosh Desktop Edition Upgrade License, Backup / Recovery, Upgrade, 1 license(s), English, PowerPC, 256 MB EMC Retrospect® for Macintosh Desktop Edition Upgrade License. Type: Backup / Recovery, Software type: Upgrade, License quantity: 1 license(s). Minimum processor: PowerPC, Minimum RAM: 256 MB, Minimum storage drive space: 500 MB. Media types supported: CD. Platform: MAC