LISTED FOR PARTS BECAUSE WE HAVE NO WAY OF TESTING. Looks new ( see photos) nothing broken or missing. Buyer does not get refund because they did not read description. We do not know the state of them, we cannot test. Only our observation. They looks great and new/ newish very little scratches plugs looks clean and good no bends. Dell P/N: MH596 Model: L280P-01 P/N: PS-5281-5DF-LF Wattage: 280W Condition: Grade A- to B This is a genuine Dell power supply pulled from working system and we test the power supply minimum 2 hours with Dell system before we ship. We ship exact part number MH596 (L280P-01) Compatible with the following DT (Desktop) computer systems including: Dell OptiPlex GX520 , GX620 , 745, 755?etc. (DESKTOP SYSTEM ONLY) Dell Dimension C521 DT, Open Box - Products in Excellent condition looks brand new with little or no physical flaws, scratches or scuffs. - Item has been handled for inspection - Please anticipate signs of handling (fingerprints, lint, etc.) - Please view ALL pictures. Items packaging may have cosmetic damage - does not affect the item. Includes all items seen in pictures ONLY. - Actual item pictured. ITEMS USED OR SEALS BROKEN ARE NOT ELIGIBLE FOR RETURN OR REFUND (read return policy) Attention VeRO members: We're not affiliated with or endorsed by the companies mentioned in this listing, All trademarks and copyrights are acknowiedged, they are only used for informative description of the items offered for sale, All items are authentic as evidenced in photos, legally acquired and owned, and hence covered under First Sale Doctrine, Unlawful VeRO removal of this listing will constitute perjury and result in legal action