My set up:

Case: Corsair Carbide Series Air 540
Hard Drive: 1TB SSD, 3TB HDD, 6TB HDD
Motherboard: Asus Z370-E
CPU: Intel i7 8700K 3.8Ghz
RAM: 16GB DDR4
GPU: Nvidia GTX 1080 TI 11GB DDR5
OS: Windows 10

Case: Corsair Graphite 760T
Hard Drive: 256GB SSD, 240GB SSD, 3TB HDD, 1.5TB HDD
Motherboard: Gigabyte GA-Z87X-UD3H
CPU: Intel i5 4690K 4.4GHZ (O.C.)
RAM: 16GB DDR3
GPU: Nvidia GTX 980 4GB DDR5
OS: Windows 10

Case: Corsair Crystal 280X
Hard Drive: 480GB SSD, 3TB HDD
Motherboard: Gigabyte Z270MX-Gaming 5
CPU: Intel i7 7700K 4.2GHZ
RAM: 16GB DDR4
GPU: Nvidia GTX 1080 TI 11GB DDR5
OS: Windows 10