Plug&Port
THE MAC DISPLAY LAB / EXPERIMENT 001 INTERACTIVE BY DESIGN

Push your pixels.

How many monitors can your Mac really drive?
Build it. Break it. Find the connection that works.

ENTER THE
SIGNAL PLAYGROUND
Explore your setupPAGE VIEW

YOUR PERSONAL WORKBENCH

Good setups.
Worth keeping.

Home office. Studio. Your next upgrade. Keep them here and pick up where you left off.

MacBook Pro 14" (M4 Pro, 2024) · 2 screens

Saved desks

0 / 8

Your first desk goes here.

Name the setup above and save it. Future you will thank you.

Saved only in this browser. No account or cloud sync. Clearing site data removes saved desks. Changes to an open desk don’t alter its saved copy.

 Try desk view
Example setupMake it yours LIVE MODEL CHECK

Explore. Undo. Repeat.

2 of 2 screens at full rate

Fits the model.

Resolution and refresh rate match.

Find gear for this setup

Modelled result · some rates are estimates.Check the exact dock, cable and monitor.

MacBook Pro↗M4 Pro · lid open2 external maxHDMIThunderbolt 54K01144 Hzfull rate1440p02165 Hzfull rate

Drag a device to move it. Click to edit. With a device focused, use arrow keys to move, Shift for larger steps, and Escape to cancel a drag. Arrange desk also provides movement buttons. Positions are local to this view.

DRAG TO ARRANGE. CLICK TO EDIT. SIGNALS FOLLOW.

Try a setup

Replaces screens · Undo anytime

2 / 2 at full rateView diagram ↑
You’re exploring an example.

Choose your Mac below, or use this MacBook Pro · M4 Pro.

YOUR MAC / THE SOURCE OF THE SIGNAL

MacBook Pro 14" (M4 Pro, 2024)

Your Mac

START WITH THE SOURCE.

Which Mac
is yours?

Type or paste the model and chip. Add the size and year if you know them.

No serial number needed. This search stays in your browser.

TRY AN EXAMPLE

Your screens and connection stay as they are. Nothing changes until you choose a Mac.
Laptop lid
Closed lid frees the built-in screen's slot on some chips.
Your chip

The chip decides how many independent screens your Mac can drive.

Exact model
Thunderbolt HDMI DisplayLink

MacBook Pro · M4 ProUp to 2 external screens · Mac capability

WHAT ACTUALLY DECIDES IT

Your Mac can drive this combination.

The modelled display count and signal modes fit. Complete the connection with a screen, cable and any dock that support those modes.

01 / DISPLAY ENGINES2/ 2 native

Independent displays, not port count

02 / SIGNAL MODES2/ 2 at full rate

Resolution × refresh × combination

03 / THE LAST LINKCheckyour gear

Exact dock, cable & monitor still matter

Mac limits use Apple’s published combinations; some lower-resolution refresh rates are estimates. This is a planning result, not a hardware test. How we check ↗

Different on your desk?
HELP US GET IT RIGHT

Report a problem

Trace every connection

Per screen

ScreenPortResultWhy
1 · 4K 144 HzMac · HDMIFull rateHDMI does 4K up to 144 Hz.
2 · 1440p 165 HzMac · Thunderbolt 5Full rateThunderbolt 5 does 1440p up to 240 Hz.
  • The built-in screen stays on. The counts here are for external screens only.
FROM SIGNAL TO SETUP

Connection
plan.

Example setup MacBook Pro 14" (M4 Pro, 2024) 2 external screens · Direct connections · Lid open

Follow the signal

Pick a screen to see its connection candidates.

Modelled routes. Exact monitor inputs and dock modes still need checking.

Connection candidates

Product shortlist for 2 of 2 screens. Check the conditions below.

Screen 01

Cable Matters Ultra High Speed HDMI

300039 · certified 48 Gbps

For the HDMI route directly from your Mac to an HDMI display.

Check before buying

Your monitor’s HDMI input must support the selected resolution and refresh rate. A cable cannot increase the Mac’s output limit.

1 cableacross your setup See buying options

Manufacturer site · opens in a new tab

Screen 02

Cable Matters USB-C → DisplayPort

201036 · DisplayPort 1.4

A direct route from your Mac’s USB-C / Thunderbolt port to a DisplayPort monitor.

Check before buying

Only for screens with DisplayPort input, not Apple Studio Display or USB-C-only screens. High rates can require DisplayPort 1.4 and DSC on the monitor.

1 cableacross your setup See buying options

Manufacturer site · opens in a new tab

Buying links currently open manufacturer sites. These are connection candidates, not a verified shopping bundle. Some modelled rates are estimates.

THE FINE PRINTApple’s supported combinations

Apple's allowed combinations

  • ATwo 6K 60 Hz over Thunderbolt
  • BOne 6K 60 Hz over Thunderbolt + one 4K 144 Hz over HDMI
  • COne 8K 60 Hz or 4K 240 Hz over HDMI, alone

Checked Apple tech specs