Ram memory 4GB (1 x 4GB) DDR3 PC3-12800,1600MHz, 204 PIN SODIMM for laptops at Amazon.com
parts-quick 8GB Kit 2 x 4GB Kit DDR3 Laptop Memory Upgrade for Sony VAIO E Series Sony VAIO SVE15125CXS Notebook PC3-12800S 204 pin 1600MHz SODIMM RAM Brand at Amazon.com
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CMS 4GB (1X4GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Gateway® Ne Notebook Ne56R27U, Ne56R31U, Ne56R34U - A30 at Amazon.com
Kingston Technology 4GB DDR3 1333MHZ SODIMM for HP Compaq 572294-D88 Notebook Memory (KTH-X3B/4G) at Amazon.com