thinkpad w540 workstation.
it has MQ processor which is good for heavy work
1- 128 GB ssd, 250 GB HDD and 12 GB ram
2- i7-4800MQ cpu 4 core and 8 logical processor
3- 1080p full hd 16 inch screen
4- 2Gb nividia graphic card
5- 1-2 hour battery time
6- window activated
its a workstation so a very powerful machine best for programmers, graphic designers and gamer.
i was using it for coding and it was pretty fast.
as it has MQ processors.