These two Dual Drives would have been used in HP G1 and G2 Desktop Minis when the drive screws used for those systems destroyed the drives' logic board. When power was applied, both had a capacitor and a controller chip go up in smoke, rendering the drives useless. Since they are now bricks, they are being sold for parts.You may use them as props, a decoration, salvage them for parts, or extract metals such as gold from them.Final Sales Policy for Nonfunctional or Defective Parts - Unless the item in question is damaged or lost during shipping, no refunds nor a replacement item will be issued for any reason.