HP's premier business notebook presents a new professional design, 39,6 cm (15.6") diagonal HD 1 display, new Intel technology, choice of graphics and battery options. Internal memory: 4096 Display resolution: - Weight: 2730 Wireless LAN (WLAN) connection: Y Wireless LAN type: 802.11a/b/g/n Ethernet LAN connection: Y Cabling technology: 10/100/1000Base-T(X) ExpressCard slot: Y Operating system architecture: 64-bit 3G network access module: Y Bluetooth: Y Bluetooth version: 2.1+EDR Pointing device: Touchpad + Pointing Stick Battery technology: Lithium-Ion Operating temperature range (T-T): 5 - 35 Operating relative humidity range: 10 - 90 Networking features: Gigabit Ethernet Storage media type: HDD Hard disk interface: Serial ATA II Optical drive type: DVD Super Multi DL LightScribe: - Audio system: SRS PS Keyboard layout: - Memory clock speed: 1333 Numeric keypad: Y LED backlight: Y Discrete graphics adapter model: N Number of built-in speakers: 2 Type: PC Maximum internal memory: 16 Motherboard chipset: Intel QM67 Express Built-in camera: Y Width: 374 Depth: 250.5 Height: 34.1 Hard disk rotational speed: 7200 Built-in microphone: Y Processor manufacturer: Intel Serial ports quantity: 1