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DDR3 SDRAM (Double Data Rate 3 Synchronous Dynamic Random-Access Memory) is a type of RAM (Random Access Memory) designed for laptops and introduced in 2007. It is the successor to DDR2 SDRAM and predecessor to DDR4 SDRAM. Higher data transfer rates compared to DDR2 SDRAM. DDR3 can transfer data at twice the rate (eight times the speed of its internal memory arrays), enabling higher bandwidth or peak data rates.Lower power consumption than DDR2 SDRAM. This is due to the use of a lower voltage (1.5 volts compared to 1.8 volts for DDR2).Higher capacity than DDR2 SDRAM. The DDR3 standard permits DRAM chip capacities of up to 8 gigabits (Gbit), and up to four ranks of 64 bits each for a total maximum of 16 gigabytes (GB) per DDR3 DIMM (Dual In-Line Memory Module).Small form factor called SO-DIMM (Small Outline Dual In-Line Memory Module) which is designed for laptops due to space constraints.Not backward or forward compatible with other DDR SDRAM types due to different signaling voltages, timings, and other factors.Improved system performance: DDR3 RAM can help improve the overall performance of your laptop by providing faster data transfer rates. This can be especially beneficial for tasks that require a lot of memory, such as multitasking, gaming, and video editing.Reduced power consumption: DDR3 RAM uses less power than DDR2 RAM, which can help to improve your laptop's battery life.Increased capacity: DDR3 RAM is available in higher capacities than DDR2 RAM, which means that you can upgrade your laptop with more memory if needed.