TCO

abbreviation for
  1. total cost of ownership: the real cost of owning and using a piece of equipment such as a computer, taking into account the price of the hardware, software, maintenance, training, and technical support that may be needed
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012