Synology DS214play), then you may be a bit disappointed.
Don't get me wrong. The PS4 is a great and powerful system, but some features users may be used to will no longer be available. Such as:
HDMI will be the ONLY means of video out. So, it may be time to upfrade some TV's or projectors!
While the HDD is upgradable, USB will not be an option, so if you want more storage, you are buying a new HDD.
No DLNA or Audio CD support! This could change after the fact, but at launch, these are a no go.
Read more at The PlayStation Blog