Apple held three of the best-selling notebook models on the top 10 list and clocks in at No. 3 on the best-selling brand list for the month of April. The MacBook Pro with a 2.5GHz Intel i5 Core processor and 13.3-inch display was the No. 2 best-selling notebook over all for the month. The 15.4-inch MacBook Pro with a 2.7GHz Intel i5 processor and the 13.3-inch MacBook Pro with a 2.9 GHz Intel i7 processor were the seventh and eighth best-selling notebook models for the month. Both 13.3-inch models run on OS 10.7, while the 15.4-inch model runs OS 10.8.