I could use some help with the details here, I've looked at a lot of low power consumption builds but I am honestly not sure what I should be looking for in the actual hardware.
Approximate Purchase Date: this week
Budget Range: <500
System Usage from Most to Least Important: storage and file serving, setup SSH connection so I can tunnel in for HTTP forwarding, play with OS installs, game host server sometimes (no actual gaming on the machine)
Parts Not Required: keyboard, mouse, monitor, mid case
Preferred Website(s) for Parts: newegg.com
Country of Origin: US
Parts Preferences: don't care about brand, but not something we know is poor quality. Video and sound can be on-board, I'm not really going to be using them much.
SLI or Crossfire: No
Monitor Resolution: Does not matter
Additional Comments: Simply need a server so I can play with some installs, serve files, maybe host some games, and want low power consumption to keep running costs low.
The AMD E350 won't be able to do too much gaming, or encoding videos but for the purposes you mentioned (OS installs, SSH encryption, File Server, and even the gaming server) the processor should be fine. Heck I even think that some crazy hardware reviewers such as Toms and Anandtech have run games on them at low graphics!