This lot includes two Dell PowerEdge D550E-S1 0X185V R420 power supplies, each with a maximum output power of 550W and an 80+ Platinum rating for energy efficiency. Ideal for use in server components and enterprise networking, these power supplies are compatible with Dell products. Whether you're building a new server or replacing a faulty power supply, this lot of Dell PowerEdge D550E-S1 0X185V R420 550W power supplies is a great choice. With their high efficiency and reliable performance, you can count on these power supplies to keep your server running smoothly.