Lenovo ThinkPad X1 Carbon (14.0 inch) Ultraportable Notebook Core i7 (4550U) 1.5GHz 8GB (1x8GB) 512GB (SSD) WLAN WWAN BT Webcam W7 Pro 64-bit/W8.1 Pro 64-bit RDVD (Intel HD Graphics 5000)

Intel Core i7 (4550U) 1.5GHz Dual Core Processor with 4MB L3 cache. 8GB (1x8GB) 1600MHz DDR3L memory. 512GB Solid State Drive. 14.0 inch WQHD (2560x1440) IPS display. Microsoft Windows 7 Professional 64-bit preinstalled through downgrade rights in Windows 8.1 Pro 64-bit. Integrated Intel HD Graphics 5000. WLAN: 11ac, M.2 Card, Intel Dual Band Wireless-AC 7260, 2x2, Wi-Fi. WWAN: Sierra Wireless EM7345, Intel 4G LTE/HSPA/GSM/GPRS/EDGE, GPS. Bluetooth Version 4.0 (Iintegrated in Wi-Fi + Bluetooth combo adaptor). Intel 4th Generation core 1 chip (integrated chipset with processor). Near Field Communication (NFC), easy for two devices to communicate with each other.
The 14-inch ThinkPad X1 Carbon starts at just 1.28 kg (2.83 lbs), yet it's durable with carbon-fiber construction and packed with premium features like an Adaptive Keyboard that changes automatically with apps, RapidCharge battery technology, a patented cooling system, and a stunning ThinkPad Precision Display. Give a multimedia presentation on the X1 Carbon without even touching the keyboard! Voice and 10 different hand gestures change the way you interact with your laptop. The unique Adaptive Keyboard automatically changes the row of function keys depending on what application you're in. Less clutter, more function, and a streamlined keyboard that anticipates your needs. Constructed with satellite-grade carbon fiber, X1 Carbon is the toughest ThinkPad ever made. In fact, we perform eight separate military specification tests-all under extreme conditions with dust, vibration, heat, cold, altitude, water, and humidity-so you can laugh in the face of spills, drops, heat exposure, or anything else life throws your way. Even with its ultrathin design, the new X1 Carbon stays cooler than ever. In fact, we re-engineered our patented fan blades-so X1 Carbon provides the same cool and quiet performance you expect from a ThinkPad.

Specification
Model Name: X1 Carbon
MPN: 20A70091UK
Screen Size: 14in
CPU Family: Intel Core i7
Warranty: Three years, on-site.
Processor Number: 4550U
CPU Speed: 1.5GHz
Barcode: 888772845254
Memory Size: 8192MB
Product Type: Notebook
Solid State Capacity: 512GB
Product Family: ThinkPad
RF Standard: a/b/g/n/ac
Bluetooth: Yes
Operating System: Microsoft Windows 7 Professional
Colour: Black
Bluetooth Version: Bluetooth 4.0
Mobile Broadband: 4G
Processor: Intel Core i7 (4550U) 1.5GHz 4MB (L3 Cache)
CPU Bus Speed: 1600MHz
Chipset: Intel
Memory (Maximum): 8192MB (8192MB) PC3-12800 1600MHz DDR3L
Solid State Storage: M.2 512GB
Screen: 14in LED Backlit WQHD
Aspect Ratio: 16:9
Display Resolution: 2560 x 1440 Pixels ,
Contrast Ratio: 700:1 (Static)
Brightness: 300cd/m2
Graphics Device: Intel HD Graphics 5000
Graphics Form Factor: Integrated
Keyboard: Adaptive Keyboard with a dynamically changing row providing additional functionality based on the type of the application active / 5-row, spill-resistant (except Adaptive Keys), LED backlit
Pointing Device: TrackPoint pointing device and glass surface touchpad, integrated five buttons, multi-touch
Fingerprint Reader: Yes
Speakers: 2 x 1W
Integrated Microphone: Yes
Audio Features: HD Audio,Dolby Home Theater v4
Speaker Type: Integrated
USB Ports: 2 x USB 3.0
HDMI Port: 1 x HDMI
DisplayPort: 1 x Mini DisplayPort
Headphone/Audio Line Out: 1 x Combo Stereo Headphone/Microphone Jack
AC Power: 1 x AC Power
Wireless System: Intel Dual Band Wireless-AC 7260 (2x2)
RF Network Standard: IEEE 802.11 a/b/g/n/ac
Bluetooth: Yes , Bluetooth 4.0
WWAN: Wireless WAN, Sierra Wireless EM7345, Intel 4G LTE/HSPA/GSM/GPRS/EDGE, GPS
Mobile Broadband: 4G
Camera Features: HD720p resolution, low light sensitive, face tracking, fixed focus, gesture input support
Webcam: Integrated
Operating System: Microsoft Windows 7 Professional (64-bit) + Media Upgrade to Windows 8.1 Professional (64-bit)
Battery: Lithium-Polymer (8 Cells)
Battery Life: Up to 9 Hours
Voltage/Power/Frequency: 100 to 240VAC / 50 to 60Hz
Case Colour: Black
Dimensions: 33.1cm (W) x 22.65cm (D) x 1.77cm (H) - Weight 1.28kg

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