Hello, I assume they are the 1920 × 1200 resolution ones?
If so, even a Mac Mini can handle those, but you'll need the included HDMI to DVI converter, then purchase a TB/MDP to DVI converter...
| Video Card: | HD Graphics 4000 | VRAM Type: | Integrated |
| Details: | This model has an Intel HD Graphics 4000 graphics processor that shares memory with the system.
Also see: What type of video system is provided by the Aluminum Mac mini models? Which are integrated and which are dedicated? Can the video be upgraded? |
| Standard VRAM: | 512 MB* | Maximum VRAM: | 768 MB* |
| Details: | *With 4 GB of RAM installed, this model uses 512 MB of RAM for graphics. With additional RAM installed, more RAM is reserved for graphics use. |
| Display Support: | Dual Displays | Resolution Support: | 1920x1200* |
| Details: | *This model simultaneously supports 1920x1200 on an HDMI display or a DVI display using the included HDMI-to-DVI adapter and 2560x1600 on a Thunderbolt or Mini DisplayPort display or even a VGA display (with an optional Mini DisplayPort-to-VGA adapter, which is compatible with the Thunderbolt port). |
| 2nd Display Support: | Dual/Mirroring* | 2nd Max. Resolution: | 2560x1600* |
| Details: | *This model simultaneously supports 1920x1200 on an HDMI or a DVI display (using the included HDMI-to-DVI adapter) and 2560x1600 on a Thunderbolt or Mini DisplayPort display or even a VGA display (with an optional Mini DisplayPort-to-VGA adapter, which is compatible with the Thunderbolt port). |
http://www.everymac.com/systems/apple/mac_mini/specs/mac-mini-core-i5-2.5-late-2 012-specs.html