Requesting the assistance of computer nerds

if my computer looks like this right:

could I put in my old ASUS Strix GTX 960 (rated at 150W) into the second GPU slot to use with virtual machines or would my computer just blow up if I tried that?

I'd just try it out myself and see but
1) I don't want my PSU to melt and
2) I remember my old old card I didnt know it needed external power and that's why I had trouble with it LOL (my old card is a 9800GT which I'm not gonna put in there)

my old GPU the 9800GT has a max power of 105W and since I'm running Linux it should more or less work, Linux is good with older hardware

wonder if I should even bother with that old thing though

I looked it up and this GPU is 11 years old LOL I knew I had it a while but dang

I have two paths
one is to put my GTX 960 in there and maybe it'll work or maybe it'll draw so much power that my computer catches fire

the other path is that I put my 9800GT in there from 11 years ago and maybe it's so old it catches fire

I'm just thinkin out loud at this point but the better option might be the 9800GT, I mean that one's more likely to work if I ever wanted to do an XP virtual machine (which I do want to) and also supports OpenGL 3.2 so shield cat WILL run on there, for better or worse

@roxy Wait, are you trying to feed an older GPU to a Linux guest from which host OS? Or keeping it for a Linux host and feeding the 10 series to a different guest? I don't know of many, if any, Windows or macOS host VM apps that support PCI passthrough.

@kode54 oh so I cant even do it? (I'm using Windows 10 for the host and Linux Mint for the guest)

@roxy It may be possible, but I don't know which VM products for Windows hosts support it. I can research this.

@roxy Ah, nope, I can't seem to find anything about using GPU passthrough from a Windows host, only from Linux hosts to Windows guests. And from what I've experienced with that, even with CPU core pinning, Windows context switching is down to the timing granularity of the Linux host, so you'll have maybe passable, maybe terrible DPC latency.

@kode54 it's ok, I'm not gonna bother with it just for a few linux apps - I'll stick with the default

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@roxy However, many Windows VM products, not counting Hyper-V, do support GPU virtualization, and most distributions support this, possibly without any guest drivers to add. Maybe. If I remember correctly, Wayland is right out, but Xorg based DEs should work fine. And if you need test victims, I'm open to volunteer my time.

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