Small Outline DIMM

storage (SO-DIMM) A smaller kind of DIMM with 72 pins

(supporting 32-bit transfers) or 144 pins (64-bit transfers).

Regular DIMMs have 168 pins and support 64-bit transfers.

Being roughly half the size of the regular DIMM, SO-DIMMs are

often used in notebook computers.

Kingston Memory Guide.

(2001-02-16)