My current rig is a Small Form Factor Dell Optiplex 3020, with some upgrades, 4 GB more ram (8GB total DDR3), a GT 1030 Low Profile, and an i5-4590s.
My current Hard Drive has 100GB free space, and it is a 465GB Seagate ST500DM002-1BD142 (SATA ).
I'm getting pretty horrific fps drops and...