8GB Total memory using 1pc of 8GB PC3-12800, ddr3-1600mhz sodimm Genuine CMS brand, CMS is one of the most trusted names in the Computer Memory industry and this product carries a Lifetime Warranty from CMS. MAX MEMORY 16GB SOCKETS 2 Features Compatible with HP Pavilion Envy dv7-7333cl, m6-1262sf, m6-1261sf