Exact Compatibility; Perfect fit for HP ProDesk Mini 600 G3 / 400 G3 mini PC; replaces OEM part numbers BUC0712HB00914266001.; DC 12V 4Pin Connector; Standard 4pin power interface, DC 12V; plugandplay, no drivers needed.; Efficient & Quiet Cooling; Highquality fan blades and bearings; strong airflow to cool CPU effectively; low noise for quiet office use.; Durable & Reliable; Brand new replacement; 100% tested before shipping; builttolast performance for longterm use.; Easy Installation; Precision molded to match original chassis; direct swap, no modifications; saves time and cost.