Storage: Choose between 4GB or 8GM memory, complete with a 500GB hard drive. Operating System: Find more information on the operating system and latest version available on your product with our refurbished tech guide page. Dimensions: 17.75cm x 20.8cm x 7.42cm. Electronics: Get a refurbished Apple Mac. Includes: The computer comes with a power lead, mouse and keyboard. Processor: Core i5. | Apple 21.5" Core i5 iMac 500GB & 4GB OR 8GB RAM | Wowcher