Synology High Density HD6500 Fast and Scalable 4U Storage Server for Multi-Petabyte Applications - includes 40 x 12TB Synology SAS HDD; 2 x Intel Xeon Silver 4210R 10-core 2.4 GHz; Turbo Boost up to 3.2 GHz; 60 bays (scales to 300 drives with 4 x RX6022sa