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R.I.P STEVE JOBS 1955-FOREVER [PHYSICALLY GONE, MENTALLY STAYED.] THANK YOU STEVE FOR BRINGING THOSE GENIUS iDEVICES AND TURNING THE WORLD INTO THE COLORFUL GLOBE AND YOU'RE FOREVER MISSED.

Friday, April 19, 2013

The differences of RAM DDR1, DDR2, DDR3

Speed : DDR3 > DDR2 > DDR
DDR2: 100MHZ - 133MHZ  1600MB/s - 2133MB/s
DDR3 : 133MHZ 2666MB/s

Power consuming : DDR > DDR2 > DDR3
DDR1 : 2.5 V
DDR2 : 1.8 V
DDR3 : 1.5 V

Price : DDR > DDR2 > DDR3
because of its availability.

Size : the 3 RAMs have the same size but different notch position, take a look at the picture.

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