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Crucial Technology 16GB (2 x 8G) 204-Pin DDR3 SO-DIMM PC3-12800 Memory Module

The Crucial 16GB (2 x 8G) 204-Pin DDR3 SO-DIMM PC3-12800 Memory Module is the form factor used to provide DDR3 memory modules for notebook computers and other small form factor computing platforms. 204-pin SODIMMs are currently available in PC3-8500 (DDR3 1066MHz) and PC3-10600 (DDR3 1333MHz) speeds.

To use DDR3 memory, your system must have both a 204-pin SODIMM slot and a chipset that supports DDR3 memory. A DDR3 SODIMM will not fit into DDR2 or DDR memory sockets. SODIMMs are smaller and thinner than regular DIMMs and the 204-pin SODIMM PCBs are always -2.6 inches long and are usually around 1.18 inches high (though the heights can vary slightly).

They consist of a number of memory components (usually black) that are attached to a printed circuit board (usually green). The number of memory components on a 204-pin SODIMM's printed circuit board (PCB) can vary, but the PCB will always have 102 pins on the front and the back both, for a total of 204 pins. The gold pins on the bottom of the SODIMM provide the connection between the memory module and the memory socket.