Hi @Krushal, this is the RAM we are shipping with the HL15
8G - https://www.micron.com/products/dram-modules/rdimm/part-catalog/mta9asf1g72pz-3g2
16G- https://www.micron.com/products/dram-modules/rdimm/part-catalog/mta18asf2g72pdz-3g2
I hope this clears up any questions you might have about the RAM details.