I've 2 of this:
Modded bios with 1500 timing

900mv/1050mhz core and 900mv/2000mhz ram
28.2Mh/s  

900mv/1050mhz core and 910mv/1940mhz ram
26.4Mh/s

Claymore 9.3 -dcri 23

260W@wall for both, probably i could do better

EDIT: Both Elpida