As an Amazon Associate, we earn from qualifying purchases. Home » Power-One » QHS50ZY-N Power-One . QHS50ZY-N Power-One . QHS50ZY-N Attributes Brand name, Manufacturer name, ManufacturerPower-One Distributor offers SellerSKUMOQIn stockMultiplePrices QuestQHS50ZY-N361 @ $130.00, 5 @ $125.00, 9 @ $120.00, 18 @ $115.00, 36 @ $110.00