TopicHardwareNews IBM ships 5.2GHz chip, its fastest yet By CNET - September 1, 2010 56 FacebookTwitterPinterestWhatsAppLinkedinReddItEmail A chip in IBM’s new zEnterprise System clocks in at 5.2GHz. The fastest IBM microprocessor to date is targeted at mainframes. It packs in four cores, plus a respectable helping of DRAM. Read more at CNET News