The Ideal Server Memory Upgrade Bundle This quad rank 256GB PC4-1700PL server memory upgrade bundle (8x32GB), with a speed of 2133MT/s and a 17000MB/s data rate, is a great way to give a performance boost to your HP ProLiant Gen9 / Apollo server. Introduced in 2014, DDR4 is the most advanced memory format currently available. It delivers 50% more bandwidth than its DDR predecessor, which enables the CPU to complete more tasks, as well as 40% more energy efficiency which reduces the costs of running your server. Increased Reliability and Performance This server memory module bundle features an ECC (error-correcting code) which discovers and corrects the most common kinds of internal data corruption, which prevents negative impacts such as system crashes or downtime. The modules supplied in this upgrade bundle are LRDIMM (Load Reduced Dimm). By using a buffer chip, LRDIMM is able to increase server capacity and speed for enhanced server performance. Wondering if your HP ProLiant server is compatible with this product? Just get in touch and well be happy to help! This HP Memory Bundle is compatible with the HP DL360, HP DL380, HP BL460c and the HP ML50 Gen 9.