Although the shipping manifest lists the SP6 socket (LGA 4844), it's improbable that Threadripper 9000 would use it. AMD introduced the SP6 socket for the EPYC 8004 (codenamed Siena) series ...

Like AMD’s most powerful CPU, the Threadripper Pro 7995WX ... s 192 cores), two beefy heatsink fans and a compatible dual-socket motherboard (like the Gigabyte MZ73-LM0) and have spare change ...