What is Daisy Chaining?
Daisy chaining is a method of connecting multiple monitors in series – one after another – using a single video output from your PC. Instead of running a separate cable from your computer to each display, you connect one cable from the PC to the first monitor, then a second cable from that monitor to the next, and so on down the chain. This dramatically reduces cable clutter and is especially valuable for multi-monitor setups where desk organization matters. The technology relies on DisplayPort’s Multi-Stream Transport (MST) feature or Thunderbolt/USB-C connections to split and distribute the video signal across the chain. For anyone who has wrestled with a tangle of display cables behind their desk or struggled with a laptop that only has one video output, daisy chaining is an elegant solution.
In-Depth
Supported Connection Standards
Daisy chaining works with two main connection types: DisplayPort (version 1.2 and later, using the MST feature) and Thunderbolt 3/4 via USB-C. DisplayPort MST splits a single video stream into multiple streams, delivering independent signals to each monitor in the chain. Thunderbolt takes this further by carrying video, data, and power over a single cable, making it particularly attractive for laptop users who want a clean one-cable docking experience.
Importantly, HDMI does not support daisy chaining. If your monitors only have HDMI inputs and outputs, you will not be able to daisy chain them regardless of cable or adapter choice.
How Many Monitors Can You Chain?
The number of monitors you can daisy chain depends on the available bandwidth of your connection standard and the resolution and refresh rate of each display. Every monitor in the chain consumes a portion of the total bandwidth, so there is an upper limit.
| Connection | 4K 60Hz Monitors | 1440p 60Hz Monitors | 1080p 60Hz Monitors |
|---|---|---|---|
| DisplayPort 1.2 | 1 (effectively no chain) | 2 | 3-4 |
| DisplayPort 1.4 | 2 | 3 | 4 |
| DisplayPort 2.0 | 3+ | 4+ | 4+ |
| Thunderbolt 3/4 | 2 | 2-3 | 3+ |
As you add more monitors, each one gets a share of the total bandwidth. If you are running high-resolution or high-refresh-rate displays, you will hit the limit sooner. DisplayPort 2.0 and Thunderbolt 4 offer significantly more headroom for multi-monitor chains.
Benefits of Daisy Chaining
The primary advantage is simplified cabling. With three monitors in a traditional setup, you would need three separate cables running from the PC – and the PC would need three video output ports. With daisy chaining, only one cable leaves the PC. This is a major benefit for:
- Laptops and ultrabooks that may only have one USB-C or Thunderbolt port for video output
- Monitor arm setups where cable management through the arm is much easier with fewer cables
- Clean desk enthusiasts who want to minimize visible wiring
Beyond aesthetics, daisy chaining also means you need fewer ports on your GPU or docking station, freeing them up for other peripherals.
Things to Watch Out For
Not every monitor supports daisy chaining. For a monitor to sit in the middle of a chain, it needs both a video input and a video output port. Only the last monitor in the chain can get away with just an input. Before purchasing, check the spec sheet for terms like “DisplayPort output,” “DP out,” or “MST support.” Many consumer-grade monitors lack an output port entirely, so this is a critical specification to verify.
Additionally, the total bandwidth is shared across all monitors in the chain. If you are running demanding resolutions, the last monitor in the chain may need to operate at a lower refresh rate or resolution than the first.
How to Choose
1. Verify DisplayPort Output on Your Monitors
This is the single most important requirement. If you want to daisy chain, every monitor in the chain except the last one must have a DisplayPort output (or Thunderbolt output). Look for “MST support” or “DP out” in the specifications. Monitors marketed for business and productivity use are more likely to include this feature than gaming monitors.
2. Calculate Your Bandwidth Needs
Before committing to a daisy chain setup, add up the bandwidth requirements of all the monitors you want to connect. Each 4K display at 60Hz consumes roughly 12.5 Gbps. DisplayPort 1.4 provides about 25.9 Gbps total, so two 4K 60Hz monitors is the practical limit. If you want higher refresh rates or more monitors, you will need DisplayPort 2.0 or Thunderbolt 4.
3. Consider Thunderbolt for the Best Experience
If your laptop and monitors support USB-C/Thunderbolt, this is often the cleanest solution. A single Thunderbolt cable can carry video, data, and power simultaneously, meaning your laptop charges, connects to peripherals, and drives multiple displays – all through one cable. This is the gold standard for modern multi-monitor setups.
The Bottom Line
Daisy chaining is a practical way to connect multiple monitors from a single video output, cutting cable clutter and simplifying multi-display setups. The key requirements are monitors with DisplayPort output (MST support) or Thunderbolt connectivity, and enough bandwidth to drive all your displays at their desired resolution and refresh rate. If you are planning a multi-monitor workspace, check for DP output support before buying, and consider Thunderbolt-equipped monitors for the most streamlined experience.