Lenovo has made its new mobile workstation ThinkPad W550S official and it will replace the current model ThinkPad W540 by offering the newest Intel Core i7 fifth generation processor and latest Nvidia Quadro graphics cards in an even thinner and lighter chassis.
The Lenovo ThinkPad W550S was launched during the Autodesk University 2014 event. This model is more compact and slim than its predecessors measuring 380.6 mm x 258.2 mm x 22.4 mm. There is a touch-panel model as well which has thickness of 23.3 mm. 
Since it is a ThinkPad you get all the usual perks like Lenovo Precision keyboard with or without backlight, dedicated numeric keypad and TrackPoint. You also get fingerprint biometric sensor and optional smart card reader. Intel vPro technology is also present in Lenovo ThinkPad W550S.
There are two choices in the resolution department – one is full HD panel with a 300 nits brightness and second is 2880 x 1620 pixel IPS panel with 350 nit brightness.
Lenovo ThinkPad W550S specifications
Display: 15.5 inch FHD TN 300 nit, IPS 3K 350-nit, with or without touch
CPU: Intel Core i7 dual-core fifth generation
GPU: Nvidia Quadro K620M 2 GB
RAM: 16 GB max
Storage: HDD 1 TB or 512 GB SSD
Ports + connectivity: 3x USB ports, Bluetooth 4.0, 802.11n / ac Wi-Fi, optional 4G-LTE, Gigabit Ethernet
Battery life: 2x 3 cell 23 Wh / 44 Wh or 2x 6 cell 48 Wh / 72 Wh.