HPE 640 Redundant/External Power Supply Shelf power supply unit

Lifetime: Advance hardware replacement for as long as you own the product with next-business-day delivery (available in most countries). Limited 24x7 telephone support is available from HP for the first 3 years; limited electronic and business hours telephone support is available from HP for the entire period; to reach our support centers, refer to /networking/contact-support; for details on the duration of support provided with your product purchase, refer to /networking/summary