Apple iMac i5 21.5" AIO Desktop Computer Core i5 2.5GHz 8GB 500GB Sierra 2011

      Processor / Chipset CPU Intel Core i5 2.5 GHz Number of Cores Quad-Core 64-bit Computing Yes Processor Main Features Intel Turbo Boost Technology 2B Memory Max Supported Size 8 GB Form Factor SO-DIMM 204-pin Slots Qty 4 Storage Read Speed 24x (CD) / 8x (DVD) Write Speed 24x (CD) / 8x (DVD±R) / 4x (DVD±R DL) Rewrite Speed 16x (CD) / 6x (DVD-RW) / 8x (DVD+RW) RAM Installed Size 8 GB Memory Speed 1333 MHz   Hard Drive Capacity 500 GB   Communications Wireless Protocol 802.11a/b/g/n, Bluetooth 2.1 EDR   Monitor Monitor Type LCD Native Resolution 1920 x 1080 (Full HD) Diagonal Size 21.5 in   Graphics Controller Graphics Processor AMD Radeon HD 6750M Video Memory 512 MB GDDR5 SDRAM Dimensions & Weight Width 20.8 in Depth 7.4 in Height 17.8 in   Camera Form Factor integrated Video Output Graphics Processor AMD Radeon HD 6750M Graphics Processor Series ATI Radeon HD     .