Intel’s Core i9-13900K desktop processor has hit its lowest price ever on Amazon for Black Friday. It is now just $399. Intel’s Core i9-13900K desktop processor has hit its lowest price ever on Amazon for Black Friday. It is now just $399. Post navigation These 15 under-$50 gadgets have upgraded my tech life, and they’re all on sale for Black Friday Threadripper 9000 CPUs spotted with 16 to 96 Zen 5 cores — Shimada Peak expected to max out at 350W