Full Details from Amazon.com : http://www.amazon.com/gp/product/B008BYTP9E?tag=onigi-20
8GB DDR3 Memory RAM Kit (2 x 4GB) for HP Pavilion dv6-1334us dv5-2080br
Memory Size 8GB Kit 2 x 4GB There are two 2 4GB DDR3 memory modules in this kit
Memory Type DDR3 SDRAM
Number of Pins 204
Memory Speed PC3-8500 DDR3-1066 1066MHz 1067MHz
LIFETIME WARRANTY and free Tech Support