The 8gb Pi4 would be ideal for 64bit Open Media Vault with Mini DLNA.

    On Friday, May 29, 2020, 2:18:22 PM MDT, Chris Albertson 
<albertson.ch...@gmail.com> wrote:  
 
 About that 8GB Raspberry Pi4.  I think it might be over kill for a machine
controller unless you like runing a webbrowser and waching Youtube whie the
mill is cutting.      Notice the 8GB is $75 and the 2GB is $35.  There is
a robotic list I'm on ad the question was Which is faster two $35 Pi4 or
one $75 Pi4.  I am very sure that for the robot use case I'd get better
performance for $70.  Likley also for the machinist who wants to watch
Ytube whie cutting metal, Save $5 and get twice as much CPU power.

The $75 8GB Pi4 is perfect for the person who wants a desktop PC.  That is
the target user for this.

If yu need a cheap PC  Yo can buy quad-core Xeon systems for under $100 now
https://www.newegg.com/hp-proliant-dl380-g7-639828-005-rack/p/N82E16859107039
The Pi4 is great if you have very limited space or must run on battery
power.  Good for robots.  But I don't see the point if there is an AC
mains wall socket nearby. and you are installing inside something as big as
an office.  These 1U size servers are selling for pennies on the dollar
when they come off-lease and are PERFECT for industrial uses like CNC.  
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