HP 4GB DDR3-1600 (2x2GB) 1CPU RAM - 4 GB (2 x 2GB) - DDR3-1600/PC3-12800 DDR3 SDRAM - 1600 MHz
CTO ONLY 4GB DDR3-1600 1CPU RAM
Technical Specifications:
Memory Size: 4 GBMemory Technology: DDR3 SDRAMNumber of Modules: 2 x 2GBMemory Speed: 1600 MHzMemory Standard: DDR3-1600/PC3-12800