IMac Late 2009 27 shipping inch

Product Name: IMac Late 2009 27 shipping inch
iMac (27-inch, Late 2009) - Technical Specifications Processor and memory 3.06GHz Intel Core 2 Duo processor with 3MB shared L2 cache 3.33GHz Intel Core 2 Duo processor with 6MB shared L2 cache 2.66GHz quad-core Intel Core i5 processor with 8MB shared L3 cache; Turbo Boost dynamic performance up to 3.2GHz 2.8GHz quad-core Intel Core i7 processor with 8MB shared L3 cache; Turbo Boost dynamic performance up to 3.46GHz; Hyper-Threading for up to eight virtual cores 4GB (two shipping 2GB SO-DIMMs) of 1066MHz DDR3 SDRAM; four SO-DIMM slots support up to 16GB. ***These computers have been wiped, so unless you know how to reinstall the original OS, then these aren't for you!*** ****Does not come with mouse &/or keyboard!***.