Picture For Reference Purpose Only. Item Discription : 4GB PC3-10600S 1333MHZ • DDR3 SO-DIMM • Low density,Fully compatible • Original Chips • 204Pins, Laptop Memory • 1.5V,CL9 • Superior quality and best price • Unbuffered, Non-ECC, Non-Registered Packet Content : 16GB 4x 4GB 1333Mhz Laptop RAM Memory .