Sound off FanSiders! What do you make of the PC requirements for NBA 2k15? Leave your thoughts in the comment section below. PC NBA 2K15 System Requirements Minimum System Requirements: OS: Windows 7. Graphics: DirectX 11.0 compatible (2 GB) or better The lowest requirement to play this game must be 2GB of RAM.Hard Drive: 50GB or more available space.Graphics: DirectX 10.1 compatible (512 MB) or better.