Fan Included No Heat Spreader — Memory Configuration Single Module Memory Type DDR3 Package Memory Format DIMM Package Memory Pin 240 Performance Profile none Memory Size 4GB Kit (1 x 4GB) SPD Latency 9-9-9-24 SPD Speed 1333MHz SPD Voltage 1.5 Speed Rating PC3-10600 (1333MHz) Tested Latency 9-9-9-24 Tested Speed 1333Mhz Tested Voltage 1.5