Ripjaws DDR4 SO-DIMMDDR4-2666 CL18-18-18 1.20V16GB (1x16GB)G.SKILL Ripjaws DDR4 SO-DIMM kit is the ideal system upgrade and provides faster data transfer and higher energy efficiency than ever. Experience a new standard of speed with Ripjaws DDR4 SO-DIMM today! !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.Ripjaws|DDR4|16GB|Number of modules 1|2666 MHz|CL 18|Nominal voltage 1.2 V