ASUS ROG Strix OLED XG34WCDMS 34″ 280Hz Monitor

34 inch · 3440 x 1440 · 280 Hz · OLED

See today's price, delivery and offers at the store.

Screen size 34 inch
Resolution 3440 x 1440
Refresh rate 280 Hz
Panel OLED
Response time 0.03 ms

ASUS ROG Strix OLED XG34WCDMS 34″ 280Hz Monitor is a 34-inch monitor with 3440 x 1440 resolution, a 280 Hz refresh rate and OLED panel. The high refresh rate makes fast games look smoother. It came out in 2026.

Released: 2026-05-06

Specifications

Key specs

Screen size: 34 inch
Resolution: 3440 x 1440
Refresh rate: 280 Hz
Panel: OLED
Response time: 0.03 ms
Released: 2026-05-06
Part number: 90LM0D20-B01971
EAN / UPC: 4711636454414

Display

Display diagonal: 86.4 cm (34")
Display resolution: 3440 x 1440 pixels
HD type: UltraWide Quad HD
Native aspect ratio: 21:9
Display technology: QD-OLED
Panel type: OLED
Display brightness (peak): 1300 cd/m²
Response time: 0.03 ms
Response time measurement type: GTG (Gray to Gray)
Screen shape: Curved
Screen curvature rating: 1800R
Contrast ratio (typical): 1500000:1
Contrast ratio (dynamic): 1500000:1
Maximum refresh rate: 280 Hz
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Display number of colours: 1.073 billion colours
Pixel pitch: 0.231 x 0.231 mm
Viewable size, horizontal: 80 cm
Viewable size, vertical: 33.7 cm
Digital horizontal frequency: 89 - 463 kHz
Digital vertical frequency: 60 - 280 Hz
High Dynamic Range (HDR) supported: Yes
High Dynamic Range (HDR) technology: DisplayHDR True Black 500, High Dynamic Range 10 (HDR10)
Colour gamut standard: DCI-P3
DCI-P3 coverage: 99%

Performance

NVIDIA G-SYNC: Yes
NVIDIA G-SYNC type: G-SYNC Compatible
AMD FreeSync: Yes
AMD FreeSync type: FreeSync Premium Pro
Flicker-free technology: Yes
Low Blue Light technology: Yes

View all specifications +6 more sectionsShow fewer specifications

Design

Market positioning: Gaming
Product colour: Black
Detachable stand: Yes

Ports & interfaces

Built-in USB hub: Yes
USB hub version: 3.2 Gen 1 (3.1 Gen 1)
Number of upstream ports: 1
Number of downstream ports: 2
Number of USB Type-C upstream ports quantity: 1
USB Type-A downstream ports quantity: 2
USB Type-C DisplayPort Alternate Mode: Yes
USB Power Delivery (USB PD): Yes
USB Power Delivery up to: 15 W
HDMI: Yes
HDMI ports quantity: 2
HDMI version: 2.1
DisplayPorts quantity: 1
DisplayPort out version: 1.4
Headphone out: Yes
Headphone outputs: 1
Headphone connectivity: 3.5 mm
Built-in KVM switch: Yes

Ergonomics

VESA mounting: Yes
Panel mounting interface: 100 x 100 mm
Wall mountable: Yes
Cable lock slot: Yes
Cable lock slot type: Kensington
Height adjustment: Yes
Adjustable height (max): 11 cm
Swivelling: Yes
Swivel angle range: 25 - -25°
Tilt adjustment: Yes
Tilt angle range: 20 - -5°

Power

Energy efficiency class (SDR): E
Energy efficiency class (HDR): G
Energy consumption (SDR) per 1000 hours: 26 kWh
Energy consumption (HDR) per 1000 hours: 34 kWh
Power consumption (typical): 34 W
Power consumption (off): 0.3 W
Power consumption (PowerSave): 0.5 W
AC input voltage: 100 - 240 V
AC input frequency: 50/60 Hz
Power supply type: Internal
Energy efficiency scale: A to G

Weight & dimensions

Width (with stand): 812.8 mm
Depth (with stand): 180.4 mm
Height (with stand): 545.3 mm
Weight (with stand): 7.4 kg
Width (without stand): 812.8 mm
Depth (without stand): 107.9 mm
Height (without stand): 373.3 mm
Weight (without stand): 5.2 kg

Other features

Brand specific technologies: ASUS OLED Care

Check the manufacturer's page before buying.

Ready to buy? Get the ASUS ROG Strix OLED XG34WCDMS 34″ 280Hz Monitor at today's price.Buy now

About this product

The ROG Strix OLED XG34WCDMS is a RGB OLED gaming monitor. It boasts a 34-inch 1800R-curved Tandem RGB QD-OLED display that redefines speed with an astonishing 280Hz refresh rate and ultra-responsive 0.03ms gray-to-gray (GTG) response time. A host of other innovative features include ROG RGB Stripe Pixel technology for crisp, clear text, BlackShield™ film for enhanced durability and deeper black hues, and ASUS OLED Care Pro to prevent panel burn-in. With extensive connectivity such as DisplayPort™ 1.4 DSC and USB-C® with Power Delivery, the XG34WCDMS delivers unparalleled gaming and content-creation experiences.

User manual (PDF)

XG34WCDMS vs similar monitors

	ASUS ROG Strix OLED XG34WCDMS 34″ 280Hz Monitor	Alienware AW3426DW 34″ 280Hz Monitor	MSI MAG 341CQP QD-OLED X28	AOC AGP346UCSD/69 34″ 360Hz Monitor
Screen size	34 inch	34 inch	34 inch	34 inch
Resolution	3440 x 1440	3440 x 1440	3440 x 1440	3440 x 1440
Refresh rate	280 Hz	280 Hz	280 Hz	360 Hz
Panel	OLED	OLED	OLED	OLED
Response time	0.03 ms	0.03 ms	0.03 ms	0.03 ms
Released	2026	2026	2026	2026