Help selecting components, IPMI, mainly NAS

[ctviggen]

I am getting a new unraid system to replace my aging system.  I currently use my system mainly as a NAS. Don't really do anything with it other than that, yet. My do so in the future.

 

Bought a case to put in a rack.  Bought a 650W power supply.  Have three 8TB drives to use, gives me 16TB data, one parity drive.  This is 1TB more than my current system, which still has 5TB+ free.  (And with things like Disney+, I tend to be adding less to the server, not more.)

 

Thinking of this motherboard:

 

AsRock Rack E3C246D4U Micro ATX Server Motherboard

 

This processor:

 

Intel Xeon E-2146G Coffee Lake 3.5 GHz LGA 1151 80W

 

Does this seem reasonable?

 

Thinking of ECC memory, but the choices are overwhelming.  This supports "Dual channel DDR4 2666/2400 ECC". Any recommendations?

 

(One issue when I go to Newegg is there appears to be multiple versions of, e.g., 2666 memories.  Other issues are wide ranging prices, different manufacturers, etc.  Also, how much memory do I need?)

 

For a cache drive, do I "need" an SSD?  If so, how big? 

 

Thank you.

 

[admin01]

Did you end up building this system?

Which RAM did you buy? Any issues with the setup and UNRAID?

I'm looking to build one similar to this because of the IPMI support.