what is dimm slots - SOLVED: Ram Upgrade: can I use DDR3L instead of DDR3? - MacBook Pro 13" Unibody Mid 2012 - iFixit 888slots app

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The guy you spoke too doesn't know what he's talking about. Basically you can use either. DDR3L is a dual voltage capable memory DIMM, which supports operation at both 1.5V and 1.35V. DDR3L is also pin-compatible with DDR3! DDR3 is a single voltage capable memory DIMM, which supports 1.5V... - MacBook Pro 13" Unibody Mid 2012

All I am interested in knowing is the total number of DIMM slots available, which slots are occupied, capacity per slot and total capacity for a list of computers.

Answer (1 of 2): It depends what RAM spec you’re referring to - FPM DRAM, EDO DRAM, RAMbus, SDRAM DIMM, SDRAM SO-DIMM, DDR SDRA DIMM, DDR SDRAM SO-DIMM, DDR2-SDRAM DIMM, DDR2-SDRAM SO-DIMM… Inside a single spec, all module shave the same connectors and should fit the same motherboards that match...