Dell - 575-BCHI mounting kit

Dell A/C Adapter Sleeve Mount lets you have a clean desk look, while securely holding (180W, 240W) AC adapter off the back of a desk. It attaches to the Monitor Base Extender and suspends the AC adapter sleeve on the back of a deck, below the surface leaving the desk uncluttered. The distance from the Base Extender to the AC adapter is adjustable to a limited degree.