update 3/16/16: Installing a 2 TB HDD: https://gaminglatest.com/threads/the-best-option-for-upgrading-ps4-hard-drive.78519/ PS4 will be sold soon in a few days and with a default 500GB HDD in it and with game sizes ranging between 70-90GB, at best you can only install 10 or less PS4 games on your PS4. Internet pending it could make it a hassle in replying those games as you delete some to make room for new ones. Since Sony isn't allowing PS4 owners to use external memory storage, you must upgrade the internet storage and luckily the process is simple as pie. In the above video it's fully shown how to upgrade the internal memory and setting up the PS4 after it, though not mention it is recommended to be grounded (as in no static in your body) before you start handling anything so you don't damage anything. The people in the video use SSD instead of HDD and SSD shows faster loading, just keep in mind SDD is three times more expensive than HDD. If you plan to be a serious longtime PS4 fan, then the wise choice would be to use SSD than HDD. Let us know in the comments below if you will or did upgrade and say how it went.