Specifications:
Memory Size : 4GB
Memory Technology : DDR SDRAM
Number of Modules : 2 x 2 GB
Memory Speed : 400 MHz
Memory Standard : DDR400/PC-3200
Signal Processing : Registered
Number of Pins : 184-pin DIMM
Dimensions : 5.9 x 5.9 x 0.8 inches
Weight : 14.1 ounces