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 Legacy Intel® Core™ Processor Intel Core i3-2xxx HP Pro 3420, 50,8 cm (20"), HD+, Intel® Core™ i3, 4 GB, 500 GB, Windows 7 Professional HP Pro 3420. Diagonal layar: 50,8 cm (20"), Tipe HD: HD+, Resolusi layar: 1600 x 900 piksel. Keluarga prosesor: Intel® Core™ i3, Frekuensi prosesor: 3,3 GHz. Memori internal: 4 GB, Tipe memori internal: DDR3-SDRAM. Total kapasitas penyimpanan: 500 GB. Model adaptor grafis pada papan induk: Intel® HD Graphics 2000. Kamera internal. Tipe drive optikal: DVD Super Multi. Sistem operasi yang terpasang: Windows 7 Professional. Warna produk: Hitam