Dell 27 Ultra HD 4K monitor–P2715Q

Hello, Jagadi.

Thank you for visiting Apple Support Communities.

Looking at the technical specifications of your MacBook Pro and the monitor model that you provided, it will work with your MacBook Pro. The max resolution that your Mac will support using an external display is 2560 by 1600. Here is some more information regarding your system model and the type of connections it supports.

Thunderbolt digital video output

• Native Mini DisplayPort output
• DVI output using Mini DisplayPort to DVI Adapter (optional)
• VGA output using Mini DisplayPort to VGA Adapter (optional)
• Dual-link DVI output using Mini DisplayPort to Dual-Link DVI Adapter supports 30-inch Apple Cinema HD Display (optional)
• HDMI audio and video output using a third-party Mini DisplayPort to HDMI Adapter

MacBook Pro (13-inch, Early 2011) - Technical Specifications

Using Mini DisplayPort displays or displays connecting with Mini DisplayPort adapters on Macs with Thunderbolt Ports:

1. Can I connect a Mini DisplayPort Monitor or Monitor using a mini DisplayPort adapter to a Thunderbolt port on my Thunderbolt-equipped Mac?
2. How do I connect my Mini DisplayPort Monitor or Monitor using a Mini DisplayPort adapter to my Thunderbolt-equipped Mac when I have other Thunderbolt devices connected?
3. Can I connect my Mini DisplayPort monitor or monitor using a Mini DisplayPort adapter to my Apple Thunderbolt Display?
4. Can I connect to my 4K Ultra HD TV or 4K display via Thunderbolt?

Thunderbolt ports and displays: Frequently asked questions (FAQ)

Cheers,

Jason H.