MULTI 1 32GB 1866MHZ LRDIMM QUAD RANKKingston 32GB DDR3 SDRAM Memory Module For Server 32 GB DDR3 1866 PC3 14900 DDR3 SDRAM 1866 MHz LRDIMM Lifetime Warranty VPN: KTD PE318LQ 32G SKU: RSC719970 UPC: 740617234206 32 GB of memory to maintain symmetry with processor and hard drive and bring out the ultimate computing experience 1866 MHz memory speed for great multitasking capability DDR3 SDRAM interface synchronizes electrical and clock signals for an efficient data transfer rate