EKWB has announced the EK Velocity STR4 series of water blocks are compatible with all AMD TRX40 based motherboards using the sTRX4 socket that supports Ryzen Threadripper 3000 series processors. With the only difference between the two sockets the pin layout.
The velocity series sTR4 water blocks come in five different versions priced from $98.99 (99.90€) to $125.99 (129.90€).