Upgrade your home office with this 20-Inch Apple iMac A1224 With Accessories  Choose from 4GB and 8GB RAM  Choose from 160GB, 250GB and 500GB HDD Powered by an Intel Core 2 Duo processor Preinstalled with OS X El Capitan and Microsoft Office. Comes with a keyboard and mouse 12-month warranty included Features a 20-inch glossy screen with TFT Active Matrix LCD display (1680x1050 native) Vertically-mounted slot-loading DVD "SuperDrive" Built-in iSight video camera Built-in stereo speakers underneath the screen Grade B refurbished - in fully functional condition showing signs of wear and tear    Buying Options:  First 5. 99.99 pounds instead of 9.9 pounds for the 160GB HDD and 4GB RAM - save 90%  139.99 pounds instead of 9.9 pounds for the 160GB HDD and 4GB RAM - save 86%  169.99 pounds instead of 9.9 pounds for the 250GB HDD and 4GB RAM - save 84%  219.99 pounds instead of 9.9 pounds for the 500GB HDD and 8GB RAM - save 80%