ASUS X452MJ BIOS Processor Intel® Bay Trail-M Dual Core Celeron N2840 Processor Intel® Bay Trail-M Quad Core Celeron N2940 Processor Intel® Bay Trail-M Quad Core Pentium N3540 Processor Operating System Windows 8.1 Pro Windows 8.1 Memory DDR3L 1600 MHz SDRAM, OnBoard Memory 0 GB , SO-DIMM Up to 4 G Display 14.0" 16:9 HD/GL/LED (1366x768) Graphic NVIDIA® GeForce® 920M with 1GB DDR3 VRAM Storage 500GB HDD 5400 750GB HDD 5400 1TB HDD 5400 Optical Drive Super-Multi DVD *1 Card Reader 3 -in-1 card reader ( SD/ SDHC/ SDXC) Camera VGA Web Camera *1 Networking Integrated 802.11 b/g/n Built-in Bluetooth™ V4.0 (Optional) 10/100 Base T Interface 1 x COMBO audio jack 1 x VGA port/Mini D-sub 15-pin for external monitor 1 x USB 3.0 port(s) 1 x USB 2.0 port(s) 1 x RJ45 LAN Jack for LAN insert 1 x HDMI Audio Built-in Speakers And Analog Microphone SonicMaster Battery 4Cells 37 Whrs Power Adapter Output : 19 V DC, 3.42 A, 65 W Input : 100 -240 V AC, 50/60 Hz universal Dimensions 348 x 241 x 26.5 ~34.2 mm (WxDxH) Weight 2.1 kg (with 4 cell battery) Security LoJack Certificates UL, TUV, CE Marking Compliance, FCC Compliance, BSMI, Australia C-TICK / NZ A-Tick Compliance, CCC, GOST-R, CB, EU Flower, Energy star, CECP, Erp 2013, RoHS Manufacturer Warranty 2-year limited International hardware warranty. *different by country Only for Search Thinnes - Laptop