Microsoft Surface has a pixel density of:
147.84

A.K.A. MS Surface RT tablet
Released: 2012

Resolution: 1366×768 10.6″ display

Totaling 1.05mp (megapixels) and having a PPI of 147.84

Category: Tablet
Tags: MS, surface, tablet, windows rt, windows

Microsoft Surface

Various Microsoft Surface devices
Developer	Microsoft
Manufacturer	Pegatron[1]
Type	Hybrid tablets, 2-in-1 detachables, Laptops, all-in-one PCs, interactive whiteboards
Operating system	Windows 10 Windows RT (Surface & Surface 2) Android (Surface Duo)
Input	Touch screen, stylus, touchpad, keyboard
Website	www.microsoft.com/surface/

This righthand infobox courtesy of Wikipedia.