16GB (2X8GB) Memory for iMac 27" inch 2.7GHz Quad Core Intel Core i5 with Thunderbolt I/O Spring 2011 DDR3 PC3-10600 SO-DIMMs RAM (PARTS-QUICK Brand)
16GB Total. Two 8GB PC3-10600S 204 pin SODIMM DDR3 1333MHz for iMac.
ALL PRODUCTS BRANDED AS PARTS-QUICK ARE TO BE SOLD SOLELY BY PARTS-QUICK. PARTS-QUICK DOES NOT AUTHORIZE THE USE OF IT'S BRANDED PRODUCTS TO OTHER SELLERS.
LIFETIME WARRANTY.
Compatible with DDR3 versions:
iMac 27" inch 2.7GHz Quad Core Intel Core i5 MC813LL/A.