5960X ES. Seems pretty good. Batch was 3413Bxxx. Have to unmount later and check.
4550 MHz 8C/16T Cinebech R15 @ 1,150 Volt
5750 MHz 8C/16T Cinebench R15 @ 1,525 Volt
http://hwbot.org/submission/2628201_der8auer_cinebench_r15_core_i7_5960x_2226_cb
Not maxxed out on LN2. Was just a quick test.