A run-of-the-mill quad-core Xeon E3 with some SATA SSDs. Even that is overkill as the CPU usage never goes above 1 core. You could probably get the same job don

A run-of-the-mill quad-core Xeon E3 with some SATA SSDs. Even that is overkill as the CPU usage never goes above 1 core. You could probably get the same job done with a $20 droplet if you're frugal, or $40 with room to spare.