Hi. Building a PC for my son. Zero experience with gaming machines - audio is my thing. Anyway - bought a Ryzen 5 and then discovered there's no graphics at all - so found an old Leadtek GTX 760 : https://www.techpowerup.com/gpu-specs/leadtek-winfast-gtx-760.b2193

Then found it needed power. 6 pin PCI x 2. The case and CPU is from an old server. The PSU is this Silverstone 750W: : https://www.silverstonetek.com/product.php?area=en&pid=240

It didn't come with any PCI leads. My question is: if I manage to find 2 6pin to 6 pin leads to plug into the modular connections on the back of the PSU, will it power this card and a Ryzen 5/MSI B450 Carbon/Seagate SSD? Can I use any lead that will fit? Thanks for your time - it's much appreciated.

I can't see a reason why not. Problem will be getting those leads as spares might be a pain in the ass.

Thanks. I think you’re on the money. They’re out there somewhere. Thanks.

You could try looking at some CableMod spares to suit, but if you’re trying to do this on the cheap, that’s not gonna work.
If, however time is a factor, just buy a new PSU if the leads are definitely gone.

Finally, you might try contacting Silverstone about it. If it’s a modular PSU they could probably hook you up if you can get their support team some details.