Sülearvuti Lenovo ThinkPad E550 (20DF0051) 15.6" HD (1366x768) anti-glare LED

Dimensions: 377mm x 256mm x 27mmAC adapter: 45-watt AC adapter (Integrated Graphics)Communications: Intel WGI218V Gigabit Ethernet Connection Bluetooth 4.0 wireless, integrated in Wi-Fi + Bluetooth combo adapter Intel Wireless-AC 3160, 1x1, Wi-Fi + Bluetooth combo adapter, M.2 CardSecurity: Power-on password, hard disk password, supervisor password, security keyhole, Fingerprint reader on the keyboard bezel, swipe sensorKeyboard: 6-row, spill-resistant, multimedia Fn keys, numeric keypad (English layout) (TrackPoint pointing device and multi-touch with 3+2 buttons click pad)Type: Business LaptopStorage: 500GB HDD / SATA 6.0Gb/s, 2.5" wide, removable, upgradable, Shock Mounted Hard Drive, Active Protection SystemOperating System: Windows® 7 Professional 64 preinstalled through downgrade rights in Windows 8.1 Pro 64-bitDisplay: 15.6" (396mm) HD (1366x768) color, anti-glare, LED backlight, 200 nits, 16:9 aspect ratioAudio: HD Audio, Conexant CX20751 codec, Dolby Advanced Audio v4 stereo speakers or JBL speakers, 2W x 2 / dual array microphone, combo audio / microphone jackCamera: HD720p resolution, fixed focusWarranty Terms: 1-year limited hardware warranty. The battery is considered as a consumable part. Due to the natural loss of the battery capacity, there is only a one-year warranty offered on this item.Processor: Intel Core i3-5005U 2/4 2.0 GHz/3MB DDR3L-1600Memory: 1x4GB PC3-12800 1600MHz DDR3L, non-parity, dual-channel capable (16GB max)Optical storage: DVD burner, 9.0mm high, removableCard reader: 4-in-1 reader (MMC, SD, SDHC, SDXC)Weight: 2.35kgChipset: Intel SoC (System on Chip) platformVideo: Intel HD graphics 5500I/O ports: 2xUSB 3.0, 1xUSB 2.0, 1xEthernet (RJ-45), VGA DB-15, HDMI, Lenovo OneLink connectorBattery: Li-Ion 6-cell (48Wh)Color: Graphite Black