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 Lenovo ThinkServer TD230, 2.4 GHz, E5620, 4 GB, DDR3-SDRAM, 625 W, Tower Lenovo ThinkServer TD230. Processor family: Intel® Xeon® 5000 Sequence, Processor frequency: 2.4 GHz, Processor model: E5620. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM. HDD size: 3.5". Ethernet LAN. Optical drive type: DVD-RW. Power supply: 625 W. Chassis type: Tower