Systems Power Density Estimating datacenter power density difficult (15+ year horizon) k Power is 40% of dc costs k Power Mechanical: 55% of cost Shell is roughly 15%of dc cost Cheaper to waste floor than power Typically 100 to 200 W/sq ft Rarely as high as 350 to 600 W/sq ft Modular DC eliminates impossible shell to po wentrade Add modules until power is absorbed 480VAC to container High efficiency DC distribution within High voltage to rack can save >5%over 208 202142/2007 11Systems & Power Density 2021/2/8 1/21/2007 11 11  Estimating datacenter power density difficult (15+ year horizon)  Power is 40% of DC costs  Power + Mechanical: 55% of cost  Shell is roughly 15% of DC cost  Cheaper to waste floor than power  Typically 100 to 200 W/sq ft  Rarely as high as 350 to 600 W/sq ft  Modular DC eliminates impossible shell to power trade-off  Add modules until power is absorbed  480VAC to container  High efficiency DC distribution within  High voltage to rack can save >5% over 208VAC