Apple iMac Core i3-550 Dual-Core 3.2GHz All-in-One System Form Factor: All-in-One Graphics: ATI Radeon HD 5670 graphics processing unit Part Number: MC509LLA Processor: Core i3-550 Dual-Core 3.2GHz processor Cache Per Processor: 4MB shared L2 cache Memory: 4 GB DDR3 SDRAM (16 GB maximum supported) Storage: 1 TB Serial ATA hard drive Optical Drive: Slot-loading 8x DVD±RW DL SuperDrive
