Processor CPU Intel Core i5-2540M (2.50 GHz, 3 MB L3 Cache, up to 3.20 GHz) Chipset Mobile Intel? QM67 Express Graphic system Graphic Chip nVidia Quadro NVS 4200M (512MB GDDR3) Display Type 15.6 inch FHD (1920x1080) LED Main Memory Memory 4 GB DDR3 Hard Disk Drive Hard Disk 250 GB 7200 RPM Optical Disc Drive Drive DVD Writer (Dual Layer Support) Web Camera Details HD video webcam Port & Interface ( คืออะไร ? ) USB 2.0 4 USB 3.0 No Firewire Yes Display Port No D-Sub/VGA Yes e-SATA No HDMI Yes Card Reader Memory card reader Express Slot Yes Finger Print No Connection Wireless Lan Dell Wireless 802.11 b/g/n Bluetooth Yes LAN Yes Modem No Battery Details Li-ion Battery Weight Details 2.50 Kg. Operating System OS Bundle Windows 7 Profesionnal (64 Bit) Warranty Details 3 Year Onsite Service Promotion(จากโบรชัวร์) Details NVIDIA NVS 4200M (DDR3 512M) Discrete Graphics Details No Other Details Details headphone/Microphone combo jack , 10/100/1000 Gigabit Ethernet Details 54 mm ExpressCard , Anti-Glare LED , Docking Connector