Product Detail 16.4 GB of RAM ; 2 ea. 250 GB internal drives ; internal SuperDrive no keyboard ; NVIDIA GeForce 7800 GT Video Certified Pre-Owned Mac with 90 day warranty ; OS CD is not included OS 10.4.11 installed ; Classic Installed Used Mac with 90 day PowerMax warranty . The "G5 2.3 GHz Dual Core Processor 1GB ,250GB, SuperDrive" is best product for you. We recommended G5 2.3 GHz Dual Core Processor 1GB ,250GB, SuperDrive