According to IDC, the UK PC market expanded by 14.8% YTY in Q1 2005, with healthy consumer demand countered by a slight deceleration in commercial growth. Notebooks, growing by 29.8% year on year, remain the key driver of demand generation, with continued price declines stimulating sales to both business and home users. Desktop sales slackened slightly to 8.3% growth, while x86 servers recorded the most subdued performance of the three form factors, expanding by 5.1% YTY. Consumer desktop shipments grew by 17.3% YTY. The consumer notebook recorded its highest growth rate in six quarters, expanding by 72.5% UTU.