QUICK AT FIRST THEN JUST STARTED TO SLOW.N SESSION IT JUST BECAME A BURDEN.NOW I GET TO SEND IT BACK AFTER WASTING AT A MINIMUM $2,000.00 WORTH OF MY TIME NOT INCLUDING THE TIME IT WILL TAKE TO BUILD (SOFTWARE/STUDIO INSTALL) ANOTHER MACHINE.IF IT DID NOT FAIL AND EVEN THOUGH IT WAS NOT THE MACHINE I ORDERED I WOULD OF KEPT IT JUST TO HAVE AROUND THE STUDIO.IT DID SUPPORT THREE MONITORS @1920x1080 WITHOUT FUSS AT FIRST.IT LITERALLY JUST SLOWLY STARTED TO F' EVERYTHING I WAS DOING.I WAS RUNNING THE LATEST MSOS10PRO INSIDER FAST TRACK BUILD. I/T DEVELOPER.I HAVE VIRTUAL STUDIO 2019 INSTALLED WITH FULL DIAGNOSTICS YET NOT GOING TO WASTE MY TIME AGAIN.GOOD LUCK PEOPLES ;)=PEACE