Which achievements require a complete PC build to be awarded in PC Building Simulator 2?

The following Achievements require the PC to be complete with all parts installed including side panels, PCI lock etc., and to be booted to the OS.

• Showpiece - Build a $15k PC and have it boot
• Unlimited Power - Build a PC with 4 GPUs
• Full Throttle - Build a Throttled PC
• MOAR RGB - Build a PC with 10 RGB parts and have it boot