Lenovo B575-1450ALU Laptop Computer / AMD Dual-Core E-450 1.65 GHz Processor / 4GB DDR3 Memory / 15.6-inch Widescreen Display / 320GB Hard Drive / eSATA Port / HDMI / Gigabit Ethernet / 6-Cell Battery / Black / Windows 7 Home Premium 15.6" High-Definition Widescreen LED (1366 x 768), AMD Radeon HD 6320 Graphics, HDMI port AMD Dual-Core E-450 1.65 GHz Processor, 4GB DDR3 SDRAM Memory 320GB HD, DVD+/-RW Double Layer, 6-in-1 Media Card Reader, Fingerprint Reader Wifi 802.11b/g/n, Gigabit Ethernet, Built-in Webcam, 4 USB ports, eSATA port 6-Cell Li-Ion Battery, Genuine Windows 7 Home Premium 64-bit