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Manufacturer: ASUS Last updated: September 11, 2026
ASUS ROG Swift OLED PG27UCDM (27-Inch 4K QD-OLED/240Hz/0.03ms/99% DCI-P3/True Black 400/Tandem Panel) Review
The ROG Swift OLED PG27UCDM uses ASUS's fourth-generation tandem QD-OLED panel, a technology that stacks two OLED emissive layers to boost brightness meaningfully beyond first- and third-generation QD-OLED monitors while keeping the same 27-inch 4K/240Hz formula.
The tandem QD-OLED construction pushes peak brightness to roughly 1500 nits, a substantial jump over standard single-layer QD-OLED panels, while maintaining approximately 99% DCI-P3 color coverage and OLED's characteristic near-infinite contrast. 240Hz at native 4K with a 0.03ms GtG response time delivers class-leading motion clarity, and DisplayPort 2.1 connectivity ensures the panel can be driven at full resolution and refresh rate on capable graphics cards. Against the ASUS ROG Swift PG32UCDM also in this catalog, the PG27UCDM offers the same tandem panel technology and specs in a smaller 27-inch size, appealing to buyers who want higher pixel density over the 32-inch model's larger screen real estate.
Panel Technology and Picture Quality
The tandem QD-OLED construction pushes peak brightness to roughly 1500 nits, a substantial jump over standard single-layer QD-OLED panels, while maintaining approximately 99% DCI-P3 color coverage and OLED's characteristic near-infinite contrast.
Refresh Rate and Motion Performance
240Hz at native 4K with a 0.03ms GtG response time delivers class-leading motion clarity, and DisplayPort 2.1 connectivity ensures the panel can be driven at full resolution and refresh rate on capable graphics cards.
Comparison to Sibling Products
Against the ASUS ROG Swift PG32UCDM also in this catalog, the PG27UCDM offers the same tandem panel technology and specs in a smaller 27-inch size, appealing to buyers who want higher pixel density over the 32-inch model's larger screen real estate.
Specifications
Identity
| Brand | ASUS |
|---|---|
| Model Number | PG27UCDM |
Panel
| Panel Type | QD-OLED |
|---|---|
| Screen Size | 26.5 in |
| Resolution | 3840 x 2160 (4K UHD) |
| Aspect Ratio | 16:9 |
Performance
| Refresh Rate | 240 Hz |
|---|---|
| Response Time | 0.03 ms |
| Adaptive Sync | AMD FreeSync Premium Pro, G-Sync Compatible |
Features
| HDR Support | Yes |
|---|---|
| Curved | No |
Panel technology
| Panel Technology | QD-OLED |
|---|---|
| Backlight Type | Self-emissive |
| Panel Coating | Anti-reflective film |
Screen geometry
| Native Resolution | 3840x2160 |
|---|---|
| Screen Curvature | Flat |
Motion
| Max Refresh Rate | 240 Hz |
|---|---|
| Response Time GtG | 0.03 ms |
Adaptive sync
| VRR Standard | FreeSync Premium Pro |
|---|
HDR and brightness
| HDR Certification | DisplayHDR True Black 400 |
|---|---|
| Dolby Vision | Yes |
Color
| DCI-P3 Coverage | 99 % |
|---|---|
| Color Depth | 10-bit |
Connectivity
| HDMI Version | 2.1 FRL |
|---|---|
| USB-C DP Alt Mode | Yes |
| USB-C Power Delivery | 90 W |
| USB Hub Ports | 3 |
Stand, mounting and form
| Height Adjustment Range | 110 mm |
|---|---|
| Pivot To Portrait | Yes |
| VESA Mount Pattern | 100x100 |
| Built-in Speakers | No |
| Series | ROG Swift OLED PG27UCDM |
|---|---|
| Color Gamut | 99% DCI-P3 |
| HDR Formats | HDR10, Dolby Vision |
| Source URL | https://rog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/spec/ |
Expert Review
Reviewed by Burooj Alam. Rated by us, not by users.
Best for
- High-end gamers wanting tandem QD-OLED brightness benefits at a desk-friendly 27-inch size
- Buyers wanting ASUS's Neo Proximity sensor and DP2.1 connectivity on a flagship 4K panel
Not for
- Buyers who prioritize a larger screen, where the PG32UCDM offers the same tech at 32 inches
- Budget-conscious buyers who don't need tandem-panel brightness improvements
FAQs
What are the key specifications of the ASUS ROG Swift OLED PG27UCDM (27-Inch 4K QD-OLED/240Hz/0.03ms/99% DCI-P3/True Black 400/Tandem Panel)?
The ASUS ROG Swift OLED PG27UCDM (27-Inch 4K QD-OLED/240Hz/0.03ms/99% DCI-P3/True Black 400/Tandem Panel) is a monitor from ASUS. Key specs: Panel Type QD-OLED (4th-gen tandem), Screen Size 27, Aspect Ratio 16:9, Resolution 3840 x 2160 (4K UHD), Refresh Rate 240Hz.
Will the ASUS ROG Swift OLED PG27UCDM (27-Inch 4K QD-OLED/240Hz/0.03ms/99% DCI-P3/True Black 400/Tandem Panel) work with my current setup?
The ASUS ROG Swift OLED PG27UCDM (27-Inch 4K QD-OLED/240Hz/0.03ms/99% DCI-P3/True Black 400/Tandem Panel) lists Panel Type is QD-OLED (4th-gen tandem). Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits.
Who is the ASUS ROG Swift OLED PG27UCDM (27-Inch 4K QD-OLED/240Hz/0.03ms/99% DCI-P3/True Black 400/Tandem Panel) best suited to?
It suits high-end gamers wanting tandem qd-oled brightness benefits at a desk-friendly 27-inch size, buyers wanting asus's neo proximity sensor and dp2.1 connectivity on a flagship 4k panel.
What are the drawbacks of the ASUS ROG Swift OLED PG27UCDM (27-Inch 4K QD-OLED/240Hz/0.03ms/99% DCI-P3/True Black 400/Tandem Panel)?
It is a poor fit for buyers who prioritize a larger screen, where the pg32ucdm offers the same tech at 32 inches, budget-conscious buyers who don't need tandem-panel brightness improvements.
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