Acer Aspire 7551-P322G25MN, AMD Athlon, 2.1 GHz, 17.3", 1600 x 900 pixels, 2 GB, 250 GB Acer Aspire 7551-P322G25MN. Processor family: AMD Athlon, Processor model: P320, Processor frequency: 2.1 GHz. Display diagonal: 17.3", HD type: HD+, Display resolution: 1600 x 900 pixels. Internal memory: 2 GB, Internal memory type: DDR3-SDRAM. Total storage capacity: 250 GB, Optical drive type: DVD Super Multi DL. Discrete graphics card model: AMD Mobility Radeon HD 4250. Operating system installed: Windows 7 Home Premium. Product color: Silver. Weight: 7.28 lbs (3.3 kg)