Full Details from Amazon.com : http://www.amazon.com/gp/product/B00C11S14S?tag=onigi-204GB (1X4GB) RAM MEMORY cms FOR HP/Compaq Presario Notebook CQ62-219WM CQ62-210US200PIN SO-DIMM DDR2 SDRAM 800MHZ 1PC SINGLE MODULE 16 CHIPS LOW DENSITY