1PC OF 8GB 204p PC3-12800 CL11 16c 256x8 DDR3-1600MHZ 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: Lenovo ThinkPad Edge E530 SERIES 3259-xxx; NZQ9VMH Maximum Memory: 16 GB Memory Technology: DDR3 SDRAM Memory Standard: DDR3-12800 or 10600 Number of Total Memory Slots: 2