I currently have 1TB Seagate Barracuda and a 250GB HDD. I run this setup because I had a very low budget when I bought my PC, so I bought the cheapest 1TB drive I could find and salvaged the 250GB drive from a malfunctioning laptop I had.
Twitter: @Rynoxx95 https://twitter.com/Rynoxx95/statuses/377802610331246593