ZOTAC H55 - ITX (H55ITX-C-E) Tested CPU CPU type Speed CMOS CPU power Core i7-875K* 2.93GHz 45nm 95W Core i7-870* 2.93GHz 45nm 95W Core i7-860* 2.80GHz 45nm 95W Core i7-860S* 2.53GHz 45nm 82W Core i5-760* 2.80GHz 45nm 95W Core i5-750S* 2.40GHz 45nm 82W Core i5-750* 2.66GHz 45nm 95W Core i5-670 3.46GHz 32nm 73W Core i5-661 3.33GHz 32nm 87W Core i5 655K 3.20GHz 32nm 73W Core i5 650 3.20GHz 32nm 73W Core i3 540 3.06GHz 32nm 73W Core i3 530 2.93GHz 32nm 73W Pentium G6950 2.80GHz 32nm 73W * These processors have no Integrated Graphic. User must install add-on PCI-E Graphic card. Tested Memory Model marker size DDR type Part number A-DATA 1GB DDR3-1066 AD31066001GMU Aeneon 2GB DDR3-1333 AXH860UD20-13G Aeneon 2GB DDR3-1600 AXH860UD20-16G** Apacer 2GB DDR3-1066 AM5D5808DE Kingston 2GB DDR3-1333 KVR1333D3N9 SAMSUNG 2GB DDR3-1066 M378B5673DZ1-CF8 SAMSUNG 2GB DDR3-1333 K4B1G08460 SAMSUNG 2GB DDR3-1333 M378B5673FH0-CH9 SAMSUNG 4GB DDR3-1333 M378B5273BH1-CH9 Hynix 4GB DDR3-1333 HMT351U6AFR8C-H9 ** DDR3-1600 memory module run at 1333MHz clock.