Xenforo CMM + Xenforo

Currently, I have three Vultr Cloud Compute instances running CMM in Tokyo (closest to my demographic that reduces lag).

• File(s): 80gb 2 CPU 4gb memory ($20)
• Database: 55gb 1 CPU 2gb memory ($10)
• File(s) for misc websites: 55gb 1 CPU 2gb memory ($10) -- rarely used for anything at all but random testing and personal photo storage. (Ignore this one for now)

I don't know why I selected to have a database separate from the files, as I take regular backups, or if it increases performance or not. My thinking behind it was 135gb / 3vcpu for a reasonable amount of $30/mo. Though my files are more on the heavy side as I want to store 12+ megapixels to even RAW photos (30mb+ each) so it'd be more beneficial to me if I could get at least 25gb from my database over to my file server (and about 45gb from my other file server for a total of 150gb).

They just recently came back online with High Frequency in Tokyo. And from what I've read about the execution times and whatnot from @eva2000 's analyses, they're almost 2x better in some cases than Cloud Compute.

1. To stay in the same general price range, but the forum as the chunk of my resources, should I get 1 High Frequency of 128gb 2vcpu with 4gb and combine the database and files of Xenforo but keep the misc websites separate?
   
   $28.80 (High for XF/DB) + $12 (Cloud for misc websites)
   
   
2. Get the 1 High-Frequency 256gb 3 CPU 8gb for all 3 servers, or 128gb 2 CPU 4gb? (I said to ignore that earlier as the other one runs WordPress sites and I was just scared of WP vulnerabilities leaking into XF through potential exploits)
   
   $28.80/mo & $57.60/mo respectively for this setup

I'm at a loss whether having a separate database on Cloud vs. combining on High Frequency would improve speed or not. And, of course, about WP exploits ruining the bread & butter of what I'm doing.

For $17 more, I would get way more space, but "lack" 1 CPU / 2gb memory if I combine all 3 instances...

Thanks for your input in advance!

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(I pay for separate IPs and backups too)