Supermicro SC846 A-R1200B - rack-mountable - 4U - extended ATX

Optimized for enterprise-level heavy-capacity storage applications, Supermicro's SC846 Chassis features 24 hot-swap 3.5" SAS/SATA hard drive trays and 2 fixed internal hard drive bays in a 4U space. The SC846 design offers maximum HDD per space ratio in a 4U form factor, high power efficiency (Gold Level & 85%+), optimized HDD signal trace routing and improved HDD tray design to dampen HDD vibrations and maximize performance. Equipped with a high-efficiency redundant power supply and 5 hot-plug redundant cooling fans the SC846 is a reliable and maintenance-free storage workhorse system.