so-dimms ddr2
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No DDR2 and DDR are not compatible and so you can not add DDR2 RAM module in a DDR Slot. Electrical specifications like voltage, signal pinout and even mechanical size and shape of modules are different.
The largest size DDR2 DIM sold today (2013) is a 244-pin MiniDIMM. It is used for DDR2 SDRAM. Currently, the fastest speed on a DDR2 DIM is 1066 MHz.
DDR3 (Double Data Rate, 3 channel) is the next generation of SDRAM. It has transfer rates twice as fast as DDR2 at the same clock speed. and the new technology allows for a maximum stick size of 8Gb meaning a maximum module size of 16Gb. It is not compatible with DDR2.
A type of computer memory. http://en.wikipedia.org/wiki/DDR2
There are 240 pins on DDR2 and DDR3.
No, the slots for DDR2 RAM is different from the DDR RAM. You cannot use DDR RAM with DDR2 slot.
DDR. Technically, there is no "DDR1", only "DDR" and DDR2".
DDR2 PC2-4200,DDR2 PC2-5300,DDR2 PC2-6400 with a maximum of 1GB per slot (equals 4GB max total system memory)
Memory Type: DDR2 PC2-6400, DDR2 PC2-8500, DDR2 (non-ECC)Maximum Memory: 8GBSlots: 4Each memory slot can hold DDR2 PC2-6400, DDR2 PC2-8500 with a maximum of 2GB per slot.
they are different ram generations. DDR2 is the older and slower version of DDR3. DDR2 is about 800 MHz max. and DDR3 is about 1333 MHz minimum