http://en.community.dell.com/blogs/direct2dell/archive/2009/06/17/dell-announces-equallogic-ps4000-for-small-businesses-remote-offices.aspxToday, Dell is expanding the EqualLogic iSCSI SAN line with new PS4000 Series storage arrays. The PS4000 arrays share nearly all of the same great attributes of the enterprise-class PS6000 line and previous EqualLogic generations, including the virtualizedenCommunityServer 2008.5 SP2 (Build: 40407.4157)