Qsan u400ha d316 1gb iscsi 16 bay nas product description qsan for years has won many proven records in enterprise market and now trionas lx ha series provides the most cost effective dual controller solution for enterprise nas market trionas lx ha can help you scale capacity performance and service availability at the same time and provide zero business downtime in one box a breed apart dual controller nas image that two cluster nodes are placed in one box with high speed bus