Acer ED340CU S3

34 inch · 3440 x 1440 · 180 Hz · VA

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Screen size 34 inch
Resolution 3440 x 1440
Refresh rate 180 Hz
Panel VA
Response time 1 ms

Acer ED340CU S3 is a 34-inch monitor with 3440 x 1440 resolution, a 180 Hz refresh rate and VA panel. The high refresh rate makes fast games look smoother. It came out in 2025.

Released: 2025-01-06

Specifications

Key specs

Screen size: 34 inch
Resolution: 3440 x 1440
Refresh rate: 180 Hz
Panel: VA
Response time: 1 ms
Released: 2025-01-06
Part number: UM.CE0EE.301
EAN / UPC: 4711121947834

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: LED
Panel type: VA
LED backlight: Yes
Display brightness (typical): 250 cd/m²
Response time: 1 ms
Response time measurement type: GTG (Gray to Gray)
Anti-glare screen: Yes
Screen shape: Curved
Screen curvature rating: 1500R
Contrast ratio (typical): 4000:1
Contrast ratio (dynamic): 100000000:1
Maximum refresh rate: 180 Hz
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Display number of colours: 16.7 million colours
Pixel pitch: 0.23 x 0.23 mm
Horizontal scan range: 31.47 - 150.85 kHz
Vertical scan range: 48 - 180 Hz
Viewable size, horizontal: 80 cm
Viewable size, vertical: 33.5 cm
Display diagonal (metric): 86.4 cm
High Dynamic Range (HDR) supported: Yes
High Dynamic Range (HDR) technology: High Dynamic Range 10 (HDR10)
Colour depth: 8 bit
NTSC coverage (typical): 72%

Performance

AMD FreeSync: Yes
AMD FreeSync type: FreeSync Premium

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Multimedia

Number of speakers: 2
RMS rated power: 4 W
Built-in speaker(s): Yes

Design

Market positioning: Gaming
Product colour: Black

Ports & interfaces

HDMI: Yes
HDMI ports quantity: 2
HDMI version: 2.0
DisplayPorts quantity: 2
DisplayPort out version: 1.4
Headphone out: Yes

Ergonomics

VESA mounting: Yes
Panel mounting interface: 100 x 100 mm
Wall mountable: Yes
Cable lock slot: Yes
Cable lock slot type: Kensington
Tilt adjustment: Yes
Tilt angle range: -5 - 20°

Power

Power consumption (typical): 39 W
Power consumption (standby): 0.5 W
Power consumption (max): 65 W
Power consumption (off): 0.3 W

Weight & dimensions

Width (with stand): 712.6 mm
Depth (with stand): 269 mm
Height (with stand): 607.5 mm
Weight (with stand): 8.55 kg
Width (without stand): 712.6 mm
Depth (without stand): 112 mm
Height (without stand): 422.9 mm
Weight (without stand): 6.34 kg

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ED340CU S3 vs similar monitors

	Acer ED340CU S3	Samsung 34 Inch Odyssey G5 G55H Ultra WQHD 180Hz Gaming Monitor	Samsung G55H 34″ 180Hz Monitor	Acer Nitro XZ340CUR X0 Widescreen Gaming LCD 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	180 Hz	180 Hz	180 Hz	200 Hz
Panel	VA	VA	VA	VA
Response time	1 ms	1 ms	1 ms	1 ms
Released	2025	2026	2026	2026