550 Watt Power Supply for the ColecoVision Between the years of 2010-2014 Logisys made ATX power supplies with the -5 volts DC feature. Now they have either removed the -5 volts DC feature from their power supplies manufactured around 2015-2018+ or they have completely discontinued those -5 volts DC models. On my shelf I had stored away new in the retail box the Logisys PS550A-BK (UPC code 862626001563). This power supply has a MTBF of 100,000 hours. It offers the -5 volts DC feature at up