Supermicro's SC809 1U chassis features a unique and highly-optimized design for twin dual-core Xeon platforms. The chassis is equipped with a 780W, 980W or 1200W high-efficiency power supply for superb power savings. High-performance fans provide ample optimized cooling for the SC809's twin motherboards, and eight 2.5" hot-swap drive bays offers maximum storage capacity in a 1U form factor. Recommended for SAS or enterprise SATA HDDs only.