HP 641369-002 - 4GB, 1600MHz, 240-pin, PC3-12800, shared DDR3 SDRAM Small Outline Dual In-Line Memory Module (SODIMM) Retail
HP 652972-002 - 2GB, 1600MHz, 240-pin, PC3-12800, shared DDR3 SDRAM Small Outline Dual In-Line Memory Module (SODIMM) Retail