This is a great new feature in Sql Server 2014
Example (http://msdn.microsoft.com/en-us/library/ee210585(v=sql.120).aspx)
ALTER SERVER CONFIGURATION
SET BUFFER POOL EXTENSION ON
(FILENAME = 'F:\SSDCACHE\Example.BPE', SIZE = 50 GB);
Thanks
Igor
Igor Micev,My blog: www.igormicev.com