Can I upgrade this machine to 16 Gb memory?

You can upgrade it up to 32GB of memory, but with Lenovo it's best to use their brand of memory. I tried some crucial memory and it wouldn't boot.

Does this Lenovo (20BG0011US) ship with an HDMI cable?

It does not ship with an HDMI cable

Questions & Answers: ThinkPad Intel Core i7 4th Gen 15.6" Windows 7 Professional Mobile Workstation W540 (20BG0011US)

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ThinkPad Mobile Workstation Intel Core i7-4700MQ 8GB Memory 500GB HDD NVIDIA Quadro K1100M 15.6" Non-Touch Screen Windows 7 Professional W540 (20BG0011US)

Intel Core i7-4700MQ
8GB Memory / 500GB HDD
NVIDIA Quadro K1100M
Non-Touch Screen
1920 x 1080
Windows 7 Professional

Out of Stock