Full Details on Amazon.com : http://www.amazon.com/gp/product/B00EZAYMNW?tag=tsukuyomi-20
4GB DDR3 Memory Upgrade for Asus K Series Notebook K52F-BBR5 PC3-10600 204 pin 1333MHz Laptop
Capacity 4GB
Speed PC3-10600 DDR3 1333MHz
Form Factor 204 pin SODIMM
Halogen Free ROHS Warranty Lifetime