While the shipping manifest references the SP6 socket (LGA-4844) introduced with AMD's EPYC 8004 series (codenamed Siena), it's unlikely the Threadripper 9000 series will use this socket.
ENERMAX has just revealed what they’re calling their new “workstation-level CPU AIO cooler”. The mighty LIQTECH XTR is design specifically for the AMD Ryzen Threadripper and Intel Xeon W ...
This cooler is designed to support AMD Ryzen Threadripper and Intel Xeon W series ... The cooler supports several AMD and Intel CPU sockets, including AMD sockets sTR5, SP6, sWRX8, sTRX4, TR4 ...