A good Power Supply Unit (or “PSU”) provides enough power to run a compatible device but won’t overload its sensitive electronics.?The?HP JF429A Power Supply?is specially designed to complement your?HP 12500 Switch?configuration, delivering?2000 W?of reliable power. This?HP JF429A Power Supply?has been removed from a working unit, tested for complete functionality by our expert in-house?HP-Certified Technician, and is ready to ship today! Purchase with confidence, as the photos above represent the exact quality of your items, and come bundled with our?90 Day Warranty. *Please note, we have additional Refurbished Power Supply Units in stock; feel free to send a message and we will update the quantity to suit your specific needs.* Thank you for choosing AltaTech for all of your lightning-fast IT needs!