Ubisoft has shared an official set of minimal and recommended system specs.
We are sure you were waiting for the official information and with the beta coming really soon we won’t keep you waiting:
MINIMUM
- OS: Windows 7, Windows 8.1, Windows 10 (64-bit versions only)
- PROCESSOR: Intel Core i3-550 | AMD Phenom II X4 955 or equivalent
- VIDEO CARD: NVIDIA GeForce GTX660/GTX750ti/GTX950/GTX1050 with 2 GB VRAM or more | AMD Radeon HD6970/HD7870/R9 270/R9 370/RX460 with 2 GB VRAM or more – See supported List */**
- SYSTEM RAM: 4GB
- Resolution: 720p@30FPS
- Video Preset: Low
- VSync: Off
RECOMMENDED
- Resolution: 1080p@ ~60FPS
- Video Preset: High
- VSync: Off
- OS: Windows 7, Windows 8.1, Windows 10 (64-bit versions only)
- PROCESSOR: Intel Core i5-2500K | AMD FX-6350 or equivalent
- VIDEO CARD: NVIDIA GeForce GTX680/GTX760/GTX970/GTX1060 with 2 GB VRAM or more | AMD Radeon R9 280X/R9 380/RX470 with 2 GB VRAM or more – See supported List */**
- SYSTEM RAM: 8GB
Gamepad Support
- Mouse and Keyboard
- Microsoft Xbox 360
- Microsoft Xbox One
- Microsoft Xbox One Elite
- PlayStation 4 (Original/Pro)
Partially Supported Gamepads (May Require Third-Party Drivers)
- Any third-party Xbox-compatible controller
- Logitech Chillstream
- OUYA controller
- Steam controller
- PlayStation 3 controller
(Source)