Finally there are two Asus motherboards on my shortlist:
ASUS P6X58-E PRO and P6X58-E WS. There are unfortunately no reviews about ASUS P6X58-E PRO. My priorities are reliability and stability of MB.
Could you please give me some advices which model would be better?
I would like to buy Antec Signature SG-850 . However it looks like almost 17% of customer who bought Antec Signature on Newegg and decided to share their opinion, complain about reliability of the product. 5 years of Manufacturer Warranty is a good argument and huge advantage but still I have...