U2410
Used by 5 peopleamazon.com ↗

“I usually work with the laptop plugged into a 24" Dell display that's nearly a decade old but is still fine.”
Phil Gyford Interview, Web developer, actor · via Uses This 
“I connect the participants' machine to a Dell U2410 monitor so I can view their screen as they use Twitter.”
Karina van Schaardenburg Interview, User experience researcher (Twitter) · via Uses This