The CPU specs are already posted mate
as for the PSU, I'm not a sparky so will just type what is on the side:
Make is unknown but model is LPK9-4.
+3.3V = 28A
+5V = 38A
-5V = 0.5A
+12V = 20A
-12V = 0.8A
+5VSB = 2A
COM = RETURN
PS-ON = REMOTE
PW-OK = P.G.