I just received crucial ram for my 2012 mini today found here: http://www.newegg.com/Product/Product.aspx?Item=N82E16820148614#top I installed it and started it and it started beeping and wouldn't boot. I tried each one with one of the stock and same thing happened. The ram is rated at 1.35v and looking at the slot on the mini it states 1.5v. Could that be the issue or did I just get unlucky with 2 bad modules? I also had some issue getting the top slot of the stock to work afterwards. I had to put it in several times before it would work. Could it be an issue with the slot?. I tried the new memory in both slots and neither worked. I made sure I grounded myself before touching them and was careful.