Installing More RAM

[Tenarrows]

I'm trying to buy more Ram for my Mac. According to "About my Mac" I need 1333 MHz DDR3 Ram sticks.
I have four 4GB slots. Two are filled so I would like to install two more 4GB RAM sticks.

I'm having a hard time finding the proper RAM. According to this information: https://support.apple.com/en-us/HT201191#2
I need 204 pin RAM sticks. But all I can find are 1333 MHz DDR3 memory with 240 pins.

My Mac is a 27in Mid 2011 model

 

[Lufbrarunner]

Try crucial.com. I used them to add another 16gb (2 X 8gb) to my iMac, the price was very good and the delivery was extremely quick. Use their system scanner to find the correct memory for your machine.

 

[Tenarrows]

Thank you very much. I will give crucial a try.