10 power 40 July 8, 2019 16 32 64 128 10 power 400 Mark 10 power armor 40k Pure power 10 400w Be quiet straight power 10 400w 10 power p 40 Straight power 10 400w 10 to 40th power 10 raise to power 40 Pure power 10 400 10 to the 400th power 10 to the 40th power called Bequiet pure power 10 400w