Mac Pro 5,1 for DSC? (Windows 10 or 11)

[Oldmopars]

I have several computers, but I need to dedicate one to my flight sim build. I have a 2009 Mac Pro 5,1. This has dual Xeon X5690s in it. They are 3.46Ghz and 6 cores each. It has an RX 580 8gb right now, but I will upgrade that. Right now I have 16gb RAM, but can upgrade to 128gb fairly cheaply. 

I know this is older hardware, but it was a powerful workstation in its day. Do you think this will work? I can afford to buy a much nicer GPU if that is all I need, if I have to build a complete new computer, I will have to spread my funds across everything, not just a new GPU. 
 

The picture is my ATX converted Mac Pro with a Ryzen 7 5800XT. The Mac Pro in question looks the same. 

[MAXsenna]

Before my computer died it was a 3970K @3.7Ghz, 32GB, 2080TI, and I ran pretty much everything maxed out ≈40FPS.
Get more RAM and a better GPU, and you'll be "okay", depending on your own standards and preferences. Worth a try I'd say!

Welcome!

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[BitMaster]

There is no TPM 2.0 for this HW so Win11 for sure won't work on this platform, so you'd be stuck with Win10. If that is worth it, I honestly dunno.

It likely has DDR-ECC RAM with 1333MHz iirc, safe & secure but slow too. Same with PCIe versions and modern GPU, it's problems wherever you look.

Use that Tower, it's iconic, maybe the nicest Tower of all time impv, but forget the interior for DCS.