Full Details on Amazon.com : http://www.amazon.com/gp/product/B008BYTNF0?tag=tsukuyomi-20<br /><br />8GB DDR3 Memory RAM kit (2 x 4GB) for Apple iMac Core 2 Duo 20 24 early-2009<br /><br />Memory Size 8GB Kit 2 x 4GB There are two 2 4GB DDR3 memory modules in this kit <br />Memory Type DDR3 SDRAM <br />Number of Pins 204 <br />Memory Speed PC3-8500 DDR3-1066 1066MHz 1067MHz <br />LIFETIME WARRANTY and free Tech Support
