Over the years, I've seen too many guys blow their budget on Threadrippers only to realize they didnt need the extra IO. In my experience, the AMD Ryzen 9 7950X 16-Core 32-Thread is the safer, more reliable bet for that 4K deadline. Its way cheaper than your budget tho, so you can put that leftover cash into better cooling or more RAM...

I get why people worry about the PCIe lanes, but tbh those Reddit threads might be overcomplicating things for a single-user setup. I remember back in 2021 when I was editing a 6K RED project for a local doc. I went all-in on an older Threadripper because I was terrified of bottlenecks, but the boot times were miserable and I spent way too much time troubleshooting drivers when I should have been cutting. Since your budget is $800 for the chip, I would actually suggest looking at the AMD Ryzen 9 9950X 16-Core 32-Thread over the older 7950X. It is a bit more efficient and handles the high-pressure thermal spikes better during long renders, which is exactly what you need for that Tuesday deadline. Be careful with your motherboard choice tho, as thats where the lane issue actually matters on consumer chips.

• make sure to grab an X670E motherboard to get the most out of PCIe 5.0
• stick with Corsair Vengeance RGB 64GB DDR5-6000 CL30 for the sweet spot in stability
• check your cooling setup can handle the high TDP without throttling The 9950X is gonna give you better single-core speed which actually helps more with timeline snappiness than extra lanes would for most 4K workflows. Just keep an eye on your BIOS versions because the early ones for the 9000 series were a bit buggy, but the recent updates have smoothed everything out.

Late here, but stick with the mainstream chips. I had a nightmare when my last setup hit major thermal throttling during renders.

• check cooling
• verify psu Be careful, honestly.