There are plenty of computers at Newegg.com or at Micro Center that are comparable.
However, I just want to point out one thing. The hard drives get slower and slower as their storage capacity increases. That means everything you do including booting up will get slower and slower the more size is in your main hard drive.
These computers have 2 TB hard drives, that will have quite a large impact on boot performance and other stuff.
If you instead buy a computer with a 7200 RPM drive with 500 GBs of space boot drive and then just buy a second larger one and add it in as a data storage drive, then you can store all the data you want (still slow) but it won't kill your regular performance at the same time.
These are some pretty good...