ASUS ROG Swift 39” Ultrawide 800R Curved OLED Gaming Monitor (PG39WCDM)

Name: ASUS ROG Swift 39” Ultrawide 800R Curved OLED Gaming Monitor (PG39WCDM) - 21:9 (3440x1440), 240Hz, 0.03ms, G-SYNC Compatible, Custom Heatsink, 90W
Brand: Unbranded
SKU: B0CV218YMX

Status: ASUS ROG Swift 39” Ultrawide 800R Curved OLED… (39 inch 3440x1440 monitor): Unavailable on Amazon as of 2026-10-05 16:23 UTC. SpecPicks has no in-stock 39 inch 3440x1440 monitor on file; an Amazon search for "39 inch 3440x1440 monitor" lists current offers with the same specs. eBay sellers may still list this model new or used.

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Bottom line: The ASUS ROG Swift 39” Ultrawide 800R Curved OLED Gaming Monitor: 3440x1440 at 240Hz with 0.03ms GTG response on a 39-inch OLED panel; main trade-off: 1440p vertical resolution is less sharp at 39 inches than a 4K panel.

Unavailable on Amazon as of 2026-10-05 16:23 UTC

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By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-05

Mike Perry — Hardware researcher since 2014. For gaming and productivity monitors, synthesises manufacturer specs against measured monitor reviews (RTINGS, Monitors Unboxed) rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. About the author → How we check display specs →

Pros & Cons

Pros

✓ 3440x1440 at 240Hz with 0.03ms GTG response on a 39-inch OLED panel
✓ 800R curve wraps the 21:9 field of view for immersive ultrawide gaming
✓ DisplayHDR 400 True Black, 99% DCI-P3 gamut and Delta E < 2 color accuracy
✓ Built-in ROG KVM runs two devices from one keyboard and mouse via USB 3.2
✓ 90W USB-C powers a laptop over one cable; backed by a 3-year warranty

Cons

✗ 1440p vertical resolution is less sharp at 39 inches than a 4K panel
✗ Tight 800R curve can bend straight lines in design or CAD work
✗ OLED burn-in risk is reduced by the custom heatsink, not eliminated
✗ DisplayHDR 400 is an entry HDR tier, below HDR 1000-class peak brightness

Manufacturer description

Push the limits of gaming with ROG Swift OLED PG39WCDM ultrawide curved gaming monitor. It features a 39-inch 3rd generation ROG OLED technology panel that offers 30% brighter imagery compared to its predecessor with 100% window in HDR, color-fringing reduction, and ASUS Extreme Low Motion Blur (ELMB) technology. A 240 Hz refresh rate and 0.03 ms gray-to-gray (GTG) response time ensure incredibly immersive virtual worlds without motion blur or screen tearing. Plus, an advanced custom heatsink design reduces the risk of burn-in to improve performance and longevity of the OLED panel.

SpecPicks Verdict

SpecPicks scored ASUS ROG Swift 39” Ultrawide 800R Curved OLED Gaming Monitor using a rating × review-volume × price-fit model applied to published specs and reviews across the gaming monitors category. Compare with similarly-priced alternatives in the gaming monitors category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for gaming monitors of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

39-inch curved ultrawide (3440 x 1440) OLED gaming monitor with 240 Hz refresh rate and 0.03 ms response time for immersive gaming
Highly efficient custom heatsink, improved airflow design plus intelligent voltage optimization for better heat management to reduce the risk of burn-in
VESA DisplayHDR 400 True Black compliance, 99% DCI-P3 gamut, and Delta E < 2 color difference for astonishing HDR performance
Built-in ROG KVM allows seamless control of two devices with a single keyboard and mouse, without extra hardware; also make it easy to copy files between devices via USB 3.2
Optional uniform brightness setting ensures consistent luminance levels
3-month Adobe Creative Cloud: Receive complimentary access with the purchase of this product (valid until 8/31/2026)

Full Specifications

Brand	ASUS
Color	BLACK
Shape	Curved
Brightness	450 cd/m²
Model Name	PG39WCDM
Resolution	QHD Ultra Wide 1440p
Color Gamut	135
Screen Size	39 inches
Aspect Ratio	21:9
Connectivity	USB-C
Display Type	OLED
Model Number	PG39WCDM
Refresh Rate	240 hertz
Adaptive Sync	G-Sync
Mounting Type	Wall Mount
Response Time	0.03 milliseconds
Screen Finish	Matte
Viewing Angle	178 degrees
Warranty Type	3 years
Contrast Ratio	1,500,000:1
Full listing title	ASUS ROG Swift 39” Ultrawide 800R Curved OLED Gaming Monitor (PG39WCDM) - 21:9 (3440x1440), 240Hz, 0.03ms, G-SYNC Compatible, Custom Heatsink, 90W USB-C, DisplayWidget, 3 yr Warranty

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