HP Pavilion - 15z Beats Special Ed. Touch Laptop with; 8GB DDR3L System RAM - 1 Dimm; 1TB 5400 rpm Audio: Beats Audio dual speakers and a SUBWOOFER! Display: 15.6-inch HD WLED-backlit, 10-finger multi-touch support  Processor: AMD A8-5545M 1.70 GHz with Burst Technology up to 2.70 GHz Memory: 8GB DDR3L 1600 MHz (1 Open slot)  Hard drive: 1TB 5400 RPM HDD  Up to 4.75 hours battery life  Operating system: Windows 8.1, 64-bit  Media drive: Multi-format card reader Optical drive: SuperMulti DVD burner (reads and writes CDs and DVDs)  Video: AMD Radeon HD 8510G with shared graphics memory  HP TrueVision HD webcam  Dimensions: 15.14 x 10.24 x 0.99 inches Ports: 2 USB 3.0 1 USB 2.0 HDMI Headphone output/Microphone input combo LAN (10/100)  Wireless : 802.11b/g/n (Miracast enabled)  Bluetooth: Yes  Weight: 5.51 lbs (2.49 kg) With BeatsAudio, dual speakers and a built-in subwoofer, the HP Beats Special Edition is designed for the best-sounding, richest audio on a PC.