bought this system and no one has the right specs for upgrading the memory , i bought ddr3 240 pin 1333 mhz memory un-buffered and got no where , then saw some where it needed 1600 mhz but that didnt work , any answers ?

Hello there, Thank you for contacting us in regards to your question. Unfortunately that is not a question we can answer, but you can contact the manufacturer directly for possible assistance. Their contact information can be found under the 'Warranty & Returns' tab and will be listed below. Website: http://www.emachines.com/ec/en/US/content/home.html Support Website: http://www.emachines.com/ec/en/US/content/contact.html Thank you, Newegg Support