Overview Features Tech Specs Support Get It Price the Sun External I/O Expansion Unit Configure and price this I/O Expansion Unit with a Sun representative or partner today.   Specifications   Contact Sun Phone: 1-800-786-0404 (US & Canada) 1-650-960-1300 (International) Find a Local Sales Office	Print-friendly Page Download Collateral Sun External I/O Expansion Unit Datasheet Sun SPARC Enterprise Brochure White Paper: Sun SPARC Enterprise Server Family Architecture White Paper: High Availability in the Data Center White Paper: System and Resource Management Solution Brief: High Availability and Disaster Recovery