Here's a 6 ft cable for $176: https://www.cablestogo.com/usb-and-pc/usb-c-cables-adapters-and-hubs/thunderbolt-cables/6ft-2m-thunderbolt-4-usb-c-active-cable-40

Here's a 6 ft cable for $176: https://www.cablestogo.com/usb-and-pc/usb-c-cables-adapters-and-hubs/thunderbolt-cables/6ft-2m-thunderbolt-4-usb-c-active-cable-40gbps/p/cg-c2g28887 https://www.cablestogo.com/usb-and-pc/usb-c-cables-adapters-... In the end, the technology just doesn't exist to send 100w and full data speed over the usb-c interface longer than that reliably (and economically enough for the market) so it just isn't an option to go longer. You'll have to find a different solution (optical plus separate power) or do a cross-your-fingers method with a non-certified cable that may or may not work under different circumstances.