To avoid confusion with the hardware listed in your PC Specs, please provide a detailed hardware list in your forum signature.
Include the full model name and motherboard revision number information.
Will your 890-GPA system have additional hard drives?
Will you be installing an operating system or using an existing o/s boot drive?
Will your 40GB ssd be used for the operating system?
I installed a 60GB ssd almost two years ago for my operating system and installing win7 required 20GB .
My ssd now has only 10GB of free space and will be replaced next week with a 128GB ssd.