HP ProBook 4730s - Intel Core i5-2430M Processor (2.40 GHz, 3 MB L3 cache, 2 cores/4 threads, 35W) Up to 2.90 GHz with Intel Turbo Boost Technology - Mobile Intel HM65 Chipset - 4096 MB DDR3 PC3-10600 SDRAM (1333 MHz)( 1x4 ) - 640 GB 5.4krpm S-ATA II - 17.3-inch diagonal LED-backlit HD+ anti-glare (1600x900 resolution) - 720p HD webcam - ATI Mobility Radeon HD 6490/1GB -DVD+/-RW SuperMulti DL Drive -no Modem - LAN10/100/1000 - 802.11b/g WiFi - Bluetooth - ports: 3x USB 2.0, 1xUSB 3.0 , HDMI ,audio in/out, VGA, RJ-11, RJ-45 - 8 Cell 73 WHr Battery up to 6h - ExpressCard/34 slot - SD/MMC Media Card Reader - Fingerprint Reader - no dock -Windows 7 Profesional 64-bit + Office 10 Starter - 2.9 cm (at front) x 41.4 cm x 27.9 cm - 3,05kg - 1year wrty + Messenger case