Ubisoft has shared the system requirements for Rainbow Six Siege.
Minimum requirement:
- Supported OS – Windows 7, Windows 8.1, Windows 10 (64bit versions required)
- Processor – Intel Core i3 560 @ 3.3 GHz or AMD Phenom II X4 945 @ 3.0 GHz
- RAM – 6GB
- Video Card – NVIDIA GeForce GTX 460 or AMD Radeon HD 5870 (DirectX-11 compliant with 1GB of VRAM)
- DVD ROM Drive – DVD-ROM Dual Layer
- Sound – DirectX® 9.0c compatible sound card with latest drivers
- Hard Drive – 30GB
- Multiplayer – Broadband connection with 256kbps upstream or faster
Recommended spec:
- Supported OS – Windows 7 SP1, Windows 8.1, Windows 10 (64bit versions required)
- Processor – Intel Core i5-2500K @ 3.3 GHz or better or AMD FX-8120 @ 3.1 Ghz or better
- RAM – 8GB
- Video Card – NVIDIA GeForce GTX 670 (or GTX760 / GTX960) or AMD Radeon HD 7970 (or R9 280x [2GB VRAM] / R9 380 / Fury X)
- DVD ROM Drive – DVD-ROM Dual Layer
- Sound – DirectX® 9.0c compatible sound card 5.1 with latest drivers
- Hard Drive – 47GB
- Multiplayer – Broadband connection with 512kbps upstream or faster
Ubisoft also revealed the specific chipsets that will be supported. Bear in mind that this does not include the laptop versions. If your laptop has one of these chipsets, they may work, and they may not. Ubisoft fell short of 100 % confirming they would add more chipsets.
- NVIDIA – GeForce GTX460 or better, GTX560 or better, GTX650 or better, GTX750 or better, or any card from the GT900 and Titan Series
- AMD – Radeon HD5870 or better, HD6870 or better, HD7770 or better, R7 260X or better, or any card from the R-300 series and Fury X
FWIW, minimum requirements are not too high, so chances are good your setup will be able to play it.