Introducing #ExpertMode, a 6-episode look at extreme PCs and the passionate artists who build them. To kick things off, PC modder Travis Jank invites us into his Idaho, USA workshop to see the blazingly fast, freezing cold computer that utilizes two separate window air conditioning units modified to fit into his case.

Introducing #ExpertMode, a 6-episode look at extreme PCs and the passionate artists who build them. In episode 2 of #ExpertMode, Washington-based modders Bob Stewart and Rod Rosenberg pay tribute to the post-apocalyptic video game "Fallout 4" with this rusty, custom PC.

Sleek, smart, simple. Simplicity isn't just the name of the rig in this episode it's the philosophy that PC modder Lee Harrington employs when designing his custom liquid-cooling systems. Watch as he shows how complicated it can actually be to achieve #ExpertMode simplicity.

Modder Brittany Carroll nods her head to one of the greatest WWII icons of all time with a new build based on Rosie the Riveter. Watch her rewire Rosie for the 21st century as she discusses PC design philosophy, high performance and finding her voice as a modder.

Modders, assemble! Our all-star team of PC builders join forces to take on their biggest challenge yet: Build a custom PC in just one day, inspired by new 6th Gen Intel Core processors, codename: "Skylake."

It's all been building to this – our #ExpertMode team battles against the clock and unexpected snags to assemble a custom PC featuring our brand new 6th Gen Core "Skylake" Processor. Will it live up to the standards of our fastest CPU ever, or will the team break under the stress of a last-second hurdle?