I'm planning to build a music server running MPD. My requirements are:
- includes Pi and 1TB hard drive, and a HiFi Berry analog audio output
- attractive enough to shelve in a home theater
- built-in PSU with a single IEC power cord (no transformer bricks)
At first I was looking at a Mean Well RS-15-5, which provides 3A @ 5v. Very stable, enough to power both the Pi and a 2.5" USB drive, and inexpensive. But I have a very tricky challenge of what case to use.
Today I came across this case at Microcenter called the Vantec NexStar DX. Designed for a 5.25" optical drive, it has a tiny built-in PSU, a SATA - USB adapter, and even a 3.5mm audio output jack. It looks almost perfect!
My concern is the size of the PSU. It says 1.5A @ 5v, and 1.8A @ 12v. With the Pi using up to 1000mA, there is only 500mA left on the 5v rail. I would feel safe with this only if the hard drive can be powered solely by 12v. According to the Western Digital spec sheet, the 3.5" WD Green 1TB drives use 1.2A max @ 12v, and it does not mention 5v at all. But all standard hard drive connectors have both 5v and 12v lines, so I need to somehow confirm that these drives use only 12v.
If this works, this case would be excellent for running a music server, NAS, or XBMC machine. One could even mount a front USB port in a blank 5.25" cover plate.