the power supplies is 40 usd each have 190 units of 1500 watts if take all the power supplies cost wiil be 6800 not include shipping cost
https://www.meanwell-web.com/en/product_info.php?products_id=SE-1500-12this is the prodact
sp 20 10 units 300 usd each not include shipping cost
sp30 now offered to somebody if he want take can talk abaut them again
we use escrow the shipping will pay before