This is usually caused by defective RAM, according to Apple it means that [http://support.apple.com/kb/HT5860?viewlocale=en_US|the RAM did not pass an integrity check]. It's possible that one of the sticks of ram you bought was defective and is causing this error. You can troubleshoot further by testing each module of new RAM at a time, if it boots with just one of the sticks, then you know which one is bad. Other than that, PC3-10600 is the correct type of memory for this computer so you didn't buy the wrong part, once you figure out which one is bad, try exchanging it for a new one from wherever you bought it.