THE BUYING DESK / PUBLIC-SOURCE SHORTLIST
For a computer DisplayPort output and an HDMI monitor, choose the adapter around the source port and target display mode. Passive DP++ conversion and active conversion are different requirements, even when the plugs look alike.
01 / CHECK THE COMPLETE SETUP
Write the direction: full-size DisplayPort source → adapter → HDMI cable → HDMI display. Check DP++ if considering a passive model. If the computer instead has HDMI output and the screen has DisplayPort input, use the reverse-direction comparison.
Do not substitute a similar product name or a different regional package. The sources linked under each entry support the named model and its stated conditions.
02 / THE COMPARISON
Scroll the table horizontally on a small screen. Limits are manufacturer claims, not measurements. Ask the maker about a condition that is decisive and still unknown.
| Model | Conversion / source | Documented mode | Connector arrangement | HDR / feature boundary | Purchase-changing restriction |
|---|---|---|---|---|---|
| 01Plugable passive adapterDPM-HDMIF | Passive; source must explicitly support Dual-Mode DisplayPort / DP++ | Up to 3840×2160 at 30Hz; 2560×1440 and 1080p at 60Hz | Full-size DP male → HDMI female; add an HDMI cable | No HDR capability established for this choice; one-way video | Does not work in reverse or from a source without the required DP++ signaling |
| 02Plugable active adapterDP-HDMI | Active DP conversion; supports full-size DP 1.2-class native output | Up to 3840×2160 at 60Hz on a compatible host, HDMI cable and display | DP male → HDMI female; HDMI lead not included | HDR copy conflicts: older FAQ excludes it, while a comparison table lists 4K HDR30; confirm exact unit | Maker recommends HDMI length ≤6ft/2m; warns about older Intel graphics and some OEM docks |
| 03StarTech latching active adapterDP2HD4K60S | Active DP 1.4 → HDMI 2.0; target a confirmed DP1.4 source | Up to 3840×2160 at 60Hz with a compatible HDMI 2.0 display | Latching full-size DP male → HDMI female; short attached lead | Technical table explicitly says HDR: No; lists HDCP 2.2 and audio | Excludes RedMere cables; datasheet setup note says DP1.4 while feature bullet says minimum DP1.2 |
03 / THE EXACT MODELS
Exact model: DPM-HDMIF
An established DP++ output and an HDMI display whose required mode stays within the documented ceiling.
DP++ is unknown, 4K60 is required, or the source connector is Mini DisplayPort or USB-C.
Also compare: An active DP-HDMI arrangement for a supported 4K60 SDR path
Exact model: DP-HDMI
A supported full-size DP source and HDMI 4K60 SDR display, with a short suitable HDMI cable.
HDR is essential without exact-unit confirmation, or the OEM dock maker recommends another adapter.
Also compare: DP2HD4K60S for a documented DP1.4 source and a latching connector
Exact model: DP2HD4K60S
A DP1.4-to-HDMI2.0 SDR setup where a latching source connector and explicit HDR exclusion suit the task.
You need HDR, have a RedMere cable, or need older DP1.2 support without a maker compatibility answer.
Also compare: DPM-HDMIF only if DP++ and its lower mode ceiling are already sufficient
04 / PUT IT TO WORK
Check DP++ rather than selecting on the largest resolution label. A suitable passive model can fit this documented task; an active model is the relevant alternative when the source lacks DP++.
The passive entry’s 4K30 ceiling fails the requirement before price or brand enters the decision. Check the active model, exact HDMI input and cable together. Keep SDR and HDR requirements separate.
Use the dock’s own display-conversion recommendations. Do not infer DP++ from the presence of a full-size socket, or transfer compatibility from another dock that uses a different display engine.
05 / EVIDENCE & SCOPE
This shortlist compares one passive and two active arrangements. It does not rank picture quality, cable reliability or gaming latency. We have not tested a complete display path. Two official documents contain differences that matter: Plugable DP-HDMI has inconsistent HDR wording, and StarTech DP2HD4K60S has differing older-host requirements. Those gaps are visible below; no universal HDR or DP1.2 compatibility is claimed.
Each entry has an original fit explanation, an exclusion and an alternative. We selected the models for distinct documented arrangements rather than copying another publication's order. Unknown fields are not filled by estimates, and manufacturer marketing measurements are not relabeled as independent tests.
Read our editorial method and commercial disclosures. For the complete host path, see the buying guides and the USB-C hub comparison.
SCENARIO WORKSHEET
A passive DP-to-HDMI adapter relies on a Dual-Mode source providing the required signaling. An active adapter performs conversion for a suitable native DP signal. “Passive” is not a synonym for “works with every DisplayPort socket,” and “active” does not establish every HDR, VRR or high-refresh feature.
| Your source and target | Decision | Evidence still needed |
|---|---|---|
| Confirmed DP++ output; 1080p60 or 4K30 is sufficient | A matching passive model can fit | Exact host mode and the HDMI display/cable |
| Native DP output without confirmed DP++ | Investigate an active converter | Model-specific source compatibility |
| 4K60 required | Reject a model documented only for 4K30 | Complete 4K60 path, then SDR/HDR requirements |
| HDMI output on the computer; DP input on the monitor | Use HDMI-to-DP conversion | Reverse-direction product and power requirements |
Full-size DP, Mini DP and USB-C are different physical arrangements. If the computer has USB-C output, start with the USB-C-to-HDMI comparison rather than assuming this full-size DP adapter is a direct fit.
The DP-HDMI page retains a non-HDR FAQ while another table describes HDR at 30Hz. We use its documented 4K60 SDR task and leave HDR-dependent purchasing unresolved. Ask the maker to identify the shipped revision and supported host/display mode before buying it for HDR.
The DP2HD4K60S datasheet lists no HDR support. Its source note also differs between DP1.4 and minimum DP1.2 wording. A confirmed DP1.4 source stays within the stricter note; a DP1.2-only source needs an exact answer. Avoid treating a standard’s theoretical capability as proof that a particular converter implements it.
A display can advertise HDR while an adapter path supplies only SDR. If HDR or variable refresh is essential, require the feature for the complete conversion chain. A 60Hz ceiling by itself does not establish VRR, color depth, chroma format or protected-playback compatibility.
This is an isolation sequence, not a promise that replacing the adapter fixes every blank screen. A damaged port, unsupported GPU mode or dock-specific restriction can remain. Keep the exact host, dock and monitor models with the result of each check.
If the computer and monitor share a suitable native input/output, choose between HDMI and DisplayPort by the actual device modes before adding conversion. For an HDMI-output computer feeding a DP monitor, use the active reverse-direction comparison.
For USB-C output feeding a DP monitor, use USB-C-to-DisplayPort cables and adapters. Adding a converter does not create another independent GPU display stream; use the multi-monitor host check when screen count is the real constraint.