I tested this chassis for many hours today.
Mobo: ASRock H81M-ITX
CPU: Intel G3220 3.0GHz
Memory: G.SKILL Ripjaws Series 4GB F3-12800CL8D-4GBRM
150W Pico PSU
I installed WIN7/32 bit and Prime 95/32 bit and started stress test.
Results:
Ambient temperature – 20 ºC (68 ºF)
CPU temp. – 76 ºC
Motherboard temp. – 51 ºC
CPU Fan – 2340 rpm