This is because the pin configuration for a DDR3 RAM is different from that of DDR2 or DDR4, this is why you need to make sure that the RAM you buy must be compatible with your computer.

The emerging DDR3 memory standard will extend the performance range of DDR memories considerably, while maintaining some amount of backwards compatibility with the existing DDR2 memory standard. It is ...

Synopsys offers a complete system-level memory interface IP portfolio for SoCs requiring an interface to one or a range of high-performance DDR5, DDR4, DDR3/3L, DDR2, LPDDR5X/5, LPDDR4/4X, LPDDR3, ...

DDR2 533 and DDR2 800 memory types are on the market DDR3 SDRAM(Double Data Rate Three SDRAM) DDR3 memory reduces 40% power consumption compared to current DDR2 modules, allowing for lower ...