HP 4GB DDR3 SDRAM Memory Module - 4 GB - DDR3-1600/PC3-12800 DDR3 SDRAM - 1600 MHz - OEM - 240-pin - DIMM
DIMM 4GB PC3-12800E 512MX8 - GE
Technical Specifications:
Memory Size: 4 GB
Memory Technology: DDR3 SDRAM
Memory Speed: 1600 MHz
Memory Standard: DDR3-1600/PC3-12800
Number of Pins: 240-pin
Form Factor: DIMM