This Cisco NXA-PAC-1100W power supply is a top-of-the-line product that will provide efficient and reliable power to your computer. It comes in a factory-sealed box and is brand new, ensuring that it will function properly for years to come. The product is specifically designed for use with Nexus systems, and the 1100W power supply is ideal for demanding applications. This product is perfect for anyone who needs a reliable and powerful power supply for their computer. This will.be shipped USPS Ground Advantage .