What are computer ram ddr1, ddr2, ddr3… and how to identify them?

Identifying the Random Access Memory is not difficult. In general, there are three common types: DDR1, DDR2, and DDR3. To identify them physically is not difficult. You simply need to define the distance of Notch, as well as the intergrated chip (IC) type. But first, you need to confirm that is indeed DDR1, DDR2, or DDR3 and not one of the SDRAM. Keep the chip’s front facing you and look at the DDR Notch. The notch will vary in the DRR. (more…)

By Jack F., ago