Yes, that one is voodoo 1 and the other diamond card looks like riva 128
The voodoo 3 card is made by 3dfx. They started making their own cards when voodoo 3 came out. (Some were branded STB systems)

The Voodoo3 looks like a V3-3000 PCI OEM version. I have the exact same card. The other two are the Diamond V330 and Monster3D indeed.

Thanks for your replies! 😊

The 3dfx Voodoo 3 PCI seems to be very rare?

The Diamond Viper V330 and Diamond Monster 3D seem to be sold quiet frequently.

I'm unsure whether I should keep these cards or sell them.

Mr.Blade wrote:

Thanks for your replies! :blush: […]
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Thanks for your replies! 😊

The 3dfx Voodoo 3 PCI seems to be very rare?

The Diamond Viper V330 and Diamond Monster 3D seem to be sold quiet frequently.

I'm unsure whether I should keep these cards or sell them.

Voodoo 3 PCI cards are certainly less common than the AGP versions, but I wouldn't call them truly rare (like the Mac version of V4 or V5 PCI with DVI as well as VGA...).

Whether you should keep them depends on what you want. I like PCI Voodoo3 cards as V3 hardly makes any use of the advantages of AGP, so you hardly lose performance, and PCI is much more flexible, usable in older or integrated systems with no AGP as well as in newer systems that don't support 3.3V AGP.

But if you're not interested in GLide, there's not much point in keeping any Voodoo. And this one could get you a fair bit of beer money...

I know there's at least one user here and on Amibay who is actively looking for a Riva128-based card (like the V330), so that one should be easy enough to offload if you choose not to keep it.

Thanks @dinob for your detailed answer. I'll think about it.