What are the PC system requirements for Batman: Arkham Knight?

Minimum System Requirements

OS: Win 7 SP1, Win 8.1 (64-bit Operating System Required)
Processor: Intel Core i5-750, 2.67 GHz | AMD Phenom II X4 965, 3.4 GHz
Memory: 6 GB RAM
Graphics card: NVIDIA GeForce GTX 660 (2 GB Memory Minimum) | AMD Radeon HD 7870 (2 GB Memory Minimum)
Graphics Memory: 2 GB
DirectX®: 11
Network: Broadband Internet Connection Required
Hard Drive Space: 45 GB

Recommended System Requirements

OS: Win 7 SP1, Win 8.1 (64-bit Operating System Required)
Processor: Intel Core i7-3770, 3.4 GHz | AMD FX-8350, 4.0 GHz
Memory: 8 GB RAM
Graphics Card: NVIDIA GeForce GTX 760 | AMD Radeon HD 7950
Graphics Memory: 3 GB
DirectX®: 11
Network: Broadband Internet Connection Required
Hard Drive Space: 55 GB 

Ultra System Requirements

OS: Win 7 SP1, Win 8.1 (64-bit Operating System Required)
Processor: Intel Core i7-3770, 3.4 GHz | AMD FX-8350, 4.0 GHz
Memory: 8 GB RAM
Graphics Card: NVIDIA GeForce GTX 980
Graphics Memory: 4 GB
DirectX®: 11
Network: Broadband Internet Connection Required
Hard Drive Space: 55 GB