Product Detail Samsung Original; Halogen Free; ROHS Speed: PC3-10600S DDR3 1333MHz Form Factor: 204 pin SODIMM Capacity: 8GB 2 x 4GB Kit Warranty: Lifetime . The "8GB 2x 4GB Apple iMac Core i3 i5 i7 Mid 2010 DDR3 PC3-10600 204 pin 1333MHz SODIMM Memory RAM" is best product for you. We recommended 8GB 2x 4GB Apple iMac Core i3 i5 i7 Mid 2010 DDR3 PC3-10600 204 pin 1333MHz SODIMM Memory RAM