"IBM Japan Ltd. rolled out a new, inexpensive mainframe ...that it hopes will jump-start its business.At almost half the price of similarly powered models, the zEnterprise BC12 ..The new mainframe is capable of processing up to 19 billion instructions per second, 62% more than similar models. Prices will start at 7.9 million yen."
Source:
News
IBM Japan Releases Low-Cost Mainframe
July 25th 2013
Nikkei.com
Video:
IBM System z, You Tube Channel