Bestec ATX0300D5WB Rev. X3 XW599 XW600 XW601 ATX 300w Watt Power Supply Genuine **Guaranteed Dell Genuine** Manufacturer: Bestec Model: ATX0300D5WB Compatible Product Line: Inspiron, Vostro, Precision, XPS, Optiplex **Ship within 24 hours except for holidays and weekends**