IBM 46W0761 COMP 32GB DDR3-1866MHZ ECC QRX4 LRDIMMAddOn 32GB DDR3 SDRAM Memory Module 32 GB (1 x 32GB) DDR3 1866 PC3 14900 DDR3 SDRAM 1866 MHz Quad rank Memory CL13 1. 50 V ECC 240 pin LRDIMM Lifetime Warranty VPN: 46W0761 AM SKU: RSC814731 UPC: 821455278826 Whether you are playing games, using heavy loaded OS or video editing software, the LRDIMM 32 GB of memory will make them run in a flash 1866 MHz of memory speed skillfully manages the variety of apps and computational tasks 240 pin pin DDR3