[NAME] , It will be an easy and simple enough job.  To start, head to SK Hynix partner site, Macrium, and download the clone tool, it's free and easy data migration tool.  Next, connecting your new SSD to the remaining SATA port on your PC.  And then, run the cloning software, follow the screens and it will do the rest.  It will even resize your new drive for you too.  When the cloning is complete, it will give you instruction to swap the new drive into place.  Read the user guide if you want to before running the upgrade.    
I've been gifted an 500gb SK hynix Gold S31 SSD and wondering if it would a big project to use it as a replacement for the existing 240gb SSD. Will it be a basic swap after I've cloned the 240 to the 500 or will I have to jump through hoops to make it work?
Upgrading a 240gb SSD in a 9010 SFF to a 500GB SSD.