Cable Matters Uni-Directional 8K DisplayPort to HDMI 2.1 Cable — 6ft (DP 1.4 to HDMI 2.1) for 4K 240Hz / 8K 60Hz

What it is and what it’s for

This cable is a uni-directional DisplayPort to HDMI 2.1 cable designed to carry video from a DisplayPort source (GPU/PC) to an HDMI display. It’s built to bring high-resolution modes like 4K at very high refresh rates or 8K at 60 Hz to compatible HDMI displays, all through a single, wired connection. If your setup centers on a capable DP 1.4 GPU with DSC and you want to unlock HDMI 2.1 features on a monitor or TV, this cable aims to be a straightforward conduit.

How it fits into your setup

On paper, you’ll get 4K at up to 240Hz or 8K at 60Hz when the source supports the necessary DP 1.4/DSC capabilities. It also supports HDMI 2.1 features like HDR, though note that things like VRR, G-Sync, FreeSync, and DDC/CI aren’t supported by this cable. It’s not compatible with PS5, Xbox, or other HDMI source devices. In practice, if you’re wiring a gaming PC or a workstation GPU to a compatible HDMI 2.1 display, this cable can be a clean, single-cable solution—assuming your GPU and display are in sync with the HDMI 2.1 capabilities you’re aiming to use.

The strengths you’ll notice in daily use

• High-bandwidth potential: when paired with a DSC-enabled DP 1.4 GPU, you can push high refresh rates at 4K or reach 8K, offering smooth motion and crisp details on modern displays.
• Durable build: braided jacket and molded strain relief suggest longevity in a clamped, desk-laden setup. The DisplayPort end includes a latch, so you’ll want to depress it before unplugging to avoid wear.
• Clean signal path from DP to HDMI 2.1: if your goal is to leverage HDMI 2.1 features on an HDMI monitor from a DisplayPort source, this cable is a direct, purpose-built link.

Limitations and caveats to consider

• Uni-directional only: it works from DP (GPU/PC) to HDMI (monitor/TV). If you need HDMI to DP or an HDMI source, this cable won’t fit your use case.
• No VRR/G-Sync/FreeSync or DDC/CI: if variable refresh rate or certain display diagnostics are important to you, this cable won’t support them.
• Not compatible with game consoles: PS5, Xbox and other HDMI sources aren’t supported, which excludes a chunk of typical living-room setups.
• Requires DP 1.4 with DSC: to reach top modes like 4K@120/240 or 8K@60, your GPU needs to support DisplayPort 1.4 with DSC. If your hardware is older, you may see reduced capabilities.

Who this is for

• PC gamers or creators with a DP 1.4-capable GPU looking to drive a high-end HDMI 2.1 display.
• Users who want to maximize HDMI 2.1 features on compatible displays without a direct HDMI output from their GPU.
• Setups where the source is clearly a DisplayPort GPU and the destination is an HDMI 2.1 monitor or TV, and directional flow matters.

Who should think twice

• If you need HDMI to DP or plan to use HDMI source devices, this cable isn’t the right fit.
• If you rely on VRR, FreeSync, or other dynamic refresh technologies, you’ll want to consider alternatives that support those features.
• If your display isn’t HDMI 2.1 capable, you won’t unlock the highest bandwidth modes this cable can potentially handle.

When it makes sense to buy

• You’re upgrading a PC-based gaming or creative workstation and want to utilize HDMI 2.1 on an HDMI display without a new GPU-to-monitor adapter.
• You already know your GPU supports DP 1.4 with DSC and you have a matching HDMI 2.1 display.
• You value a single cable with a durable build for a desk-bound setup and don’t need bidirectional compatibility.

What to check before purchasing

• Confirm your GPU supports DP 1.4 with DSC for the target resolutions and refresh rates.
• Verify that your HDMI display supports the HDMI 2.1 features you expect and that it is compatible with the DP-to-HDMI direction you’re using.
• Ensure you’re not relying on VRR or other unsupported features that this cable omits.

Practical usage example

Imagine you’ve got a high-refresh-rate 4K monitor connected to a powerful desktop GPU. You want to push 4K at 120–240Hz for fast-paced gaming or a smooth editing timeline, while keeping the wiring clean on your desk. This cable offers a direct DP 1.4 to HDMI 2.1 route to the monitor, with the caveat that you’ll need to ensure your GPU and monitor align on the DSC-enabled pathway to hit those top modes. If you have a laptop or compact system that outputs via DisplayPort, the same directional flow applies.

FAQ (where data supports an answer)

• Does it work with all DP GPUs? It requires a DP 1.4 GPU with DSC to reach 4K@120/240Hz or 8K@60Hz.
• Are VRR or FreeSync supported? No, this cable does not support VRR, G-Sync, FreeSync, or DDC/CI.
• Can I use it with a PS5 or Xbox? No, not compatible with PS5, Xbox, or HDMI source devices.

Final verdict

Is it worth it? It makes sense if you specifically need a uni-directional DP 1.4 to HDMI 2.1 path and your setup can actually utilize 4K@120/240 or 8K@60 with DSC. If your hardware or display expectations hinge on variable refresh features or HDMI-origin devices, you may want to look for alternatives that cover those capabilities. For a desk-bound, GPU-to-HDMI display link with solid build quality, this cable is a reasonable option to consider.

Quick takeaway

If you prioritize a straightforward, directional link from a DP 1.4 GPU to an HDMI 2.1 display and your hardware supports the required DSC-enabled modes, this cable delivers the core function with a durable build. Otherwise, cap expectations around VRR and console compatibility—and double-check your source and display specs before buying.