What about the biggest game you have?
Payday 2 - 22GB. I don't have GTAV. There's probably 100GB of games that I have completed. I don't delete anything until I need to make room for a new game.
i wonder what baddy's specs are?
I upgraded not too long ago:
i7-4790K @ 4GHz
16GB RAM
GTX 970
XP 941 SSD for OS (~1GB/s read)
Hilariously, the "Windows Experience Index" is stuck at 7.8 due to the CPU, despite it literally being the fastest processor you can buy for single thread performance.