IBM EM5D COMP 32GB DDR3-1333MHZ ECC QRX4 LRDIMMAddOn 32GB DDR3 SDRAM Memory Module 32 GB (1 x 32GB) DDR3 1333 PC3 10666 DDR3 SDRAM 1333 MHz Quad rank Memory CL9 1. 35 V ECC 240 pin LRDIMM Lifetime Warranty VPN: EM5D AM SKU: RSC331935 UPC: 195285053572 32 GB of memory to maintain symmetry with processor and hard drive and bring out the ultimate computing experience Up to 1333 MHz memory speed with CL9 latency for remarkable multitasking capability DDR3 1333 PC3 10666 interface synchronizes