ENERGY STAR® is the government-backed symbol for energy efficiency, providing simple, credible, and unbiased information that consumers and businesses rely on to make well-informed decisions. ENERGY STAR is the simple choice for energy efficiency, making it easy for consumers and businesses to purchase products that save them money and protect the environment. ENERGY STAR Fujitsu PRIMERGY TX300 S6, 2.4 GHz, E5620, 12 GB, DDR3-SDRAM, 800 W, Tower (4U) Fujitsu PRIMERGY TX300 S6. Processor family: Intel® Xeon® 5000 Sequence, Processor frequency: 2.4 GHz, Processor model: E5620. Internal memory: 12 GB, Internal memory type: DDR3-SDRAM, Memory layout (slots x size): 3 x 4 GB. HDD size: 2.5", HDD interface: Serial ATA, Serial Attached SCSI (SAS). Ethernet LAN. Optical drive type: DVD-RW. Power supply: 800 W, Redundant power supply (RPS) support. Operating system installed: Windows Small Business Server. Chassis type: Tower (4U)