IntroductionBolton-based Scan is one of the UK's premier PC builders, so it's no surprise that the $1,444 (about £1,090, AU$1,907) 3XS Z170 Performance GTK4 makes an impressive start.It uses the new AMD Radeon RX 480, which is one of the market's best mid-range cards, and the GPU is paired with an overclocked Core i5 processor. Scan reckons it's ideal...