1tb or 2tb HDD for gaming with ssd

Howdy, i am wondering if using a 2tb HDD (WD Caviar Black) is going to slow down my computer compared to a 1tb (WD Caviar Black). I am going to use the samsung 840 pro 256gb version as my boot drive and install main programs and favorite games on it and on the 1 or 2 TB HDD for other programs and rest of games and nothing else i will use other HDD's for storage.

Also i need help for a guide as to how i make both SSD and HDD for work together as in drive 1 (SSD) and drive 2 (HDD) and install whatever program/game to whatever drive i want to.