Model: AS5534-1121 OS: Windows 7 Home Premium (64-bit) Processor: AMD Athlon 64 X2 Dual-Core Processor L310 (1MB L2 cache 1.20GHz) Memory: 4GB (2/2) DDR2 667 SDRAM Storage: 320GB hard drive, integrated Super-Multi drive, 5-in-1 card reader TFT Display: Acer CineCrystal 15.6" (1366 x 768) Graphics: Integrated ATI Radeon HD 3200 (256MB dedicated memory, up to 1663MB shared memory) Communications: 802.11b/g/Draft-N WLAN, gigabit LAN, webcam