Although these fanless mini PCs measure just 3.4 x 5.6 x 5.6 inches (HxWxL), they're packed with some pretty impressive hardware. The Shuttle X1 i5 and X1 i5 Pro are equipped with Intel’s four-core/thread i5-7300HQ mobile processor clocked at 2.5GHz (3.5GHz turbo). The high-end X1 i7 system sports an Intel i7-7700HQ quad-core, eight-thread CPU with a 2.8GHz base clock and up to 3.8GHz max turbo frequency. Graphics are handled by Nvidia’s GeForce GTX 1060 3GB.