Music Server format?


I want to acquire a music server. No experience. What format should I use for storing music? WAV, FLAC, AIFF?
Looking at Sony HAP-Z1ES? Any thoughts?
Do I need to convert CD files to different format to copy to computer?
Web site to learn?

Thanks

Awooof
awooof
Just read the Crutchfield reviews about Bluesound.  I only saw 1 bad one and am guessing that person received a defective unit.  Nothing is perfect but I think it is a high quality product that takes the PC out of the picture 
A Bluesound Node 2 replaced my well-appointed Mac mini back in April. I don't miss it one bit (pun?) in my audio system. 
DB power amp IMO is thd best for burning yo a HD and allows a very high quality uncompressed #8 flac file. Very close to wav without all the space .
This is several years old, but I think the advice is still valid.

http://www.computeraudiophile.com/content/309-computer-audiophile-cd-ripping-strategy-and-methodolog...

The TL;DR is use dBpoweramp or some other ripper with AccurateRIP support and rip to FLAC for your archive copy. Feel free to convert to other formats (like MP3, DSD, etc.) in another directory as needed to support your various playback devices.