Hardware Specifications and Configurations 1-5Hardware Specifications and ConfigurationsFeatures 0The following is a summary of the computer’s many features:Operating System 0Genuine Windows ® 7 Professional 64-bitGenuine Windows ® 7 Professional 32-bitGenuine Windows ® 7 Home Premium 64-bitGenuine Windows ® 7 Home Basic 64-bitCPU and Chipset 0Intel ® Core™ i5-2410M/i5-2520M/i5-2540M processor (3 MB L3 cache, 2.30/2.50/2.60GHz with Turbo Boost up to 2.90/3.20/3.30 GHz, DDR3 1333 MHz, 35 W), supportingIntel ® 64 architecture, Intel ® Smart CacheIntel ® Core™ i3-2310M processor (3 MB L3 cache, 2.10 GHz, DDR3 1333 MHz, 35W), supporting Intel ® 64 architecture, Intel ® Smart CacheMobile Intel® HM65 Express ChipsetMemory 0Dual-channel DDR3 SDRAM support:Up to 4 GB of DDR3 system memory, upgradable to 8 GB using two soDIMM modules(for 64-bit OS)Up to 2 GB of DDR3 system memory, upgradable to 4 GB using two soDIMM modules(for 32-bit OS)Display 015.6" HD 1366 x 768 resolution, Acer CineCrystal™ LED-backlit TFT LCD15.6" HD 1366 x 768 resolution, Acer ComfyView LED-backlit TFT LCDAudio 0High-definition audio supportTwo built-in stereo speakersMS-Sound compatibleBuilt-in microphone