That is a smallish SSD which is similar to my setup...I don't mind downloading games as I have a decent internet connection, so I only keep maybe one or two games installed at any time. The Seagate HDD is good...but if you load games onto the SSD you WILL notice faster loading times.
The only drawback is you can only keep a couple installed at a time. Like I said, not a big deal for me, but if you don't have a good connection or prefer to keep many games installed, you'll have to use the HDD.