Patriot Signature DDR3 16GB (2 x 8GB) 1600MHz CL11 (PC3 12800) SODIMM Memory Module Kit PSD316G1600SK PC3-12800 (1600MHz) Data Rate 204-Pin dual in-line memory module Non-ECC Unbuffered SODIMM Kit 2 Rank Double-sided module 7.8US Refresh Interval (8192 CYCLES/64MS) 1.5V Power Requirement Auto and self refresh capability PCB height: 1181(mil)