vogo
Not true. The PSU has a standard ATX 10-pin connector. Reference is available on page A-8, http://h20000.www2.hp.com/bizsupport/TechSupport/CoreRedirect.jsp?redirectReason=DocIndexPDF&prodSeriesId=316713&targetPage=http%3A%2F%2Fbizsupport1.austin.hp.com%2Fbc%2Fdocs%2Fsupport%2FSupportManual%2Fc00072736%2Fc00072736.pdf