NB MEMORY 4GB PC12800 DDR3/SO F3-1600C9S-4GRSL G.SKILL

Ripjaws DDR3 SO-DIMM
DDR3L-1600 CL9-9-9 1.35V
4GB (1x4GB)
The classic Ripjaws is reborn as the fastest SO-DIMM in the world! With kits available at speeds of up to DDR3-2133MHz and 1.35V of DDR3L low voltage support for the latest generation of Haswell CPUs, it's the best memory choice to realize the full potential of your laptop or portable computing system. Instantly feel the speed improve!

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The memory kit will boot at the SPD speed when BIOS settings are at default.
If XMP is supported, enable XMP/DOCP/A-XMP profile in the BIOS to reach up to the rated XMP overclock speed of the memory kit.
For XMP-enabled memory kits, reaching the rated XMP overclock speed and system stability depends on the capability of the motherboard & CPU.