Here the output of cat /proc/cpuinfo
on the Conceptronic CH3WNAS:
cpu : 82xx revision : 16.20 (pvr 8081 1014) bogomips : 133.12 vendor : Motorola SPS machine : Sandpoint
The CPU is a 170 MHz Freescale MPC8241 with MPC603e Motorola PowerPC core according to the DSM-G600-Wiki.