HP 6GB DDR3-1600 DIMM (4GB+2GB) RAM - 6 GB (1 x 4GB, 1 x 2GB) DDR3 SDRAM - 1600 MHz - DIMM
CTO ONLY 6GB KIT 4GB+2GB DDR3
Technical Specifications:
Memory Size: 6 GBMemory Technology: DDR3 SDRAMNumber of Modules: 1 x 4GB, 1 x 2GBMemory Speed: 1600 MHzForm Factor: DIMM