Product Review: HP d530 Business Desktop (NewsFactor) NewsFactor - I.T. managers will appreciate the versatility of the HP (NYSE: HPQ) d530 Business Desktop, equipped with a 2.8 GHz Pentium 4 with hyperthreading technology. The small form-factor desktop targets business consumers seeking a reasonably priced, high-end PC. HP has produced a business machine that will fulfill any office task without draining your entire PC budget.