Lenovo Thinkpad T550

This also pertains to the W550s, as the hardware is identical save for a Nvidia Quadro card in a headless configuration for Nvidia Optimus on the W550s.

• CPU: Intel i7-5500U or 5600U (2 cores, 4 threads, Broadwell)
• Screen: 15.6“ 1920×1080 or 2880×1620
• Memory: up to 16GB
• Ethernet: Intel I218-LM [em(4)]
• Wireless: Intel 7265D [iwm(4), needs if_iwm_load="YES" and iwm7265Dfw_load="YES" in /boot/loader.conf]
• Graphics: Intel HD 5500 or 5600; support via drm-kmod
• Sound: Intel Broadwell HDA [snd_hda(4)]
• Bluetooth: Yes (untested)

• Suspends and resumes fine.
• drm-510-kmod may hang with external hi-DPI screens when loaded from rc.conf

• boot dmesg
• pciconf -lv
• devinfo -v
• acpidump -dt