Computer Memory Solutions guarantees compatibility with models provided in description. Memory Type: SODIMM, 204-Pin Speed: DDR3-10600, 1333 MHz 2 Piece Kit Product appearance may vary. Picture for reference only. limited lifetime warranty when bought directly from computer memory solutions 2pc of 4GB PC3-10600 CL9 16c 256x8 DDR3-1333 204pin SODIMM. Genuine CMS brand, CMS is one of the most trusted names in the Computer Memory industry and this product carries a Lifetime Warranty from CMS. Compatible with: Compatible with Dell Inspiron Inspiron 15R (N5110) Maximum Memory: 8 GB SOCKETS: 2 MODULES MUST BE ORDERED AND INSTALLED IN PAIRS for Dual Channel mode, if supported. If 4GB is installed, the recognized memory may be reduced to 3.5GB or less (depending on system configuration and memory allocation). Maximum configurations require a 64-bit operating system.