I have an iMac early 2009 20 inch and just installed 2x4 GB 1333mhz sticks and its noticeably faster. How can I tell if these sticks are under clocked to 1066mhz or running at full 1333mhz?
Also, is it OK to continue using these sticks or take them back and get 1066mhz?
Also, is it OK to continue using these sticks or take them back and get 1066mhz?