I'm planning to use 2x Dell U2515H monitors with my 15" mid-2015 Macbook Pro 2.2Ghz (model number A1398) with Intel Iris Pro Graphics. According to Apple, it can drive:

Dual display and video mirroring: simultaneously supports full native resolution on the built-in display and up to 3840x2160 pixels on up to two external displays, both at millions of colours.

Additionally, the HDMI video output van:

Support for 4096x2160 resolution at 24Hz

Will I be able to drive two of these bad boys at native resolution of 2560x1440?

1 Answer 1


According to Everymac

This model supports a simultaneous maximum resolution up to 3840x2160 on two external displays via Thunderbolt 2. Alternately, it can support a single display up to 3840x2160 via Thunderbolt 2 and a single 1080p display at up to 60 Hz, 3840x2160 at 30 Hz, or 4096x2160 at 24 Hz via HDMI.

According to Dell..

For convenient connections to other devices in your workspace, the U2515H provides two HDMI (MHL) ports, a DisplayPort, a mini-DisplayPort and five USB 3.0 ports.

So, theoretically, both over Thunderbolt > Mini DP
or one over Thunderbolt & one over HDMI at 30Hz

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