Discover beautiful, high-performance all-in-one computing with the Apple iMac 21.5. OS X Mountain Lion Navigating the iMac ME087B/A is simple and enjoyable thanks to the impressive OS X Mountain Lion operating system. Based around the customisable Dock; programs, options, files and folders can be placed where you see fit, letting you access your favourite content and software in seconds. Mountain Lion adds the Notification Centre, a handy application that delivers messages and prompts from software, emails and messages regardless of what you're working on. Along with updates to performance and visuals, Mountain Lion supports all major Apple software and features, including AirPlay, iTunes and iCloud, letting you integrate all your favourite Apple devices for seamless everyday computing. Powerful performance From intensive media editing and music production to simply enjoying films and the web at its best, you can expect flawless performance thanks to Intel i5 processing. While the 2.9 GHz base clock speed is ideal for flying through everyday tasks, it can reach a rapid 3.6 GHz when required, letting you work, play, edit and create without restraint. Multitasking and demanding processes are aided by 8 GB of RAM that makes for smooth computing, regardless of how many instances of software or tabs you're working on. A large 1 TB hard drive provides files storage and is capable of securing your precious personal files along with a wealth of media and projects. Impressive graphics Prepare yourself for highly-detailed graphics as the iMac comes complete with a 1 GB NVIDIA GeForce GT 750M graphics card. Ideal for graphic design and film and photo editing, it brings impressive graphics and accurate colour depiction to media, whether you're creating your own or enjoying someone else's. Space saving design At 40% thinner than previous generations, the iMac 21.5" occupies far less space for a classic yet contemporary profile. It's not all form over function either, as the IPS panel sits flusher to the glass screen for improved clarity and reduced reflections. The all-in-one case houses all you need for high-performance modern computing, including integrated WiFi, four USB 3.0 ports and two Thunderbolt inputs. Included is a wireless keyboard and Apple's impressive Magic Mouse. Along with the time-tested computer control, the Magic Mouse supports instinctive gestures which allow you to swipe the top of the mouse to seamlessly move between screens, software and options. Enjoy the simple yet powerful world of stylish Apple computing with the Apple iMac 21.5". Ultrabook, Celeron, Celeron Inside, Core Inside, Intel, Intel Logo, Intel Atom, Intel Atom Inside, Intel Core, Intel Inside, Intel Inside Logo, Intel vPro, Itanium, Itanium Inside, Pentium, Pentium Inside, vPro Inside, Xeon, and Xeon Inside are trademarks of Intel Corporation in the U.S. and/or other countries.Only one offer can be applied per basket , so you'll be eligible for the biggest saving of all the items you buy when you reach the checkout.