Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.

Cave Man

macrumors 604
Original poster
The ones you highlighted are 1066 rather than 1333 but they are certainly compatible (the key parts are ECC and temp sensor). Fitting an extra 2x4Gb of the ones you have shown will drop the memory speed to 1066 across all the memory (think lowest common denominator).
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.