Let's talk hardware. Here's a very long and thorough review of Lenovo IdeaPad Y50-70 high-performance gaming laptop, with 15.6-inch UHD 4K (3840x2160px) display, hybrid Nvidia GTX 860M and integrated Intel 4500HD graphics, four-core eight-thread fourth-gen i7 processor, 16GB RAM, and 1TB storage, covering design, look & feel, initial setup, customization of Windows 8.1 and removal of promotional software, Classic Shell and local account setup, 4K versus 1K display considerations and real-life use, Steam and games, boot time, suspend & resume, battery life, Wireless connectivity (2.4GHz and 5GHz), peripherals, BIOS/UEFI setup with hard disk password and Secure Boot, Ubuntu 14.04 live session testing, hardware detection and resizing of partitions with GParted, imaging, backups, other tests, and more.