Memory Types

Question 1

DIMM (Dual lnline Memory Module)

Answer 1

Electrical contacts are different on each side
• SDRAM - 168 pins
• DDR SDRAM - 184 pins
• DDR2 and DDR3 SDRAM - 240 pins

Question 2

SO-DIMM (Small Outline Dual lnline Memory Module)

Answer 2

Used in laptops and mobile devices
• DDR and DDR2 SDRAM - 200 pins
• DDR3 SDRAM - 204 pins

Question 3

Micro-DIMM (Micro Dual lnline Memory Module)

Answer 3

Electrical contacts are different on each side
• DDR SDRAM - 172 pins
• DDR2 and DDR3 SDRAM - 214 pins