We received an email today from an industry source who claimed that the Gigabyte Z77X-US5H had V-Core problems. The claims were made that this would hinder overclocking and perhaps even potentially reduce reliability long term.
Read the news here: http://www.kitguru.net/components/motherboard/carl/gigabyte-address-z77x-ud5h-rumours/
Read the news here: http://www.kitguru.net/