Delta Electronics ADP-40DD B - 40W 12V 3.33A 5.5mm x 2.5mm Tip AC Adapter Charger for S2230MX S2330MX S2240L S2240Lc S2240M S2240Mc S2240T S2240Tb S2340M / Wyse Thin Clients and OptiPlex Micro / AIO Sale $49.00 Retail $69.00