Acer ED340CU J0

34 inch · 3440 x 1440 · 120 Hz · VA

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Screen size 34 inch
Resolution 3440 x 1440
Refresh rate 120 Hz
Panel VA
Response time 1 ms

Acer ED340CU J0 is a 34-inch monitor with 3440 x 1440 resolution, a 120 Hz refresh rate and VA panel. Fine for work and everyday use; for fast shooters look at 144 Hz and up. It came out in 2025.

Released: 2025-05-16

Specifications

Key specs

Screen size: 34 inch
Resolution: 3440 x 1440
Refresh rate: 120 Hz
Panel: VA
Response time: 1 ms
Released: 2025-05-16
Part number: UM.CE0EE.001
EAN / UPC: 4711474250001

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: LCD
Panel type: VA
Display brightness (typical): 250 cd/m²
Response time: 1 ms
Screen shape: Curved
Contrast ratio (dynamic): 100000000:1
Maximum refresh rate: 120 Hz
Display diagonal (metric): 86.4 cm

Multimedia

Built-in speaker(s): Yes

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Design

Market positioning: Gaming
Product colour: Black, Blue

Ports & interfaces

HDMI: Yes
HDMI ports quantity: 2
DisplayPorts quantity: 1
DisplayPort out version: 1.4
Headphone out: Yes

Ergonomics

Height adjustment: Yes

Power

Energy efficiency class (SDR): F
Energy efficiency class (HDR): G
Energy consumption (SDR) per 1000 hours: 31 kWh
Energy consumption (HDR) per 1000 hours: 40 kWh
AC input voltage: 230 V
Power supply type: External
Energy efficiency scale: A to G

Check the manufacturer's page before buying.

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ED340CU J0 vs similar monitors

	Acer ED340CU J0	Acer Nitro XZ340CUR J0 Widescreen Gaming LCD Monitor	Acer ED340CU J0BIIPX	Samsung LC34G55TWWL 34″ 165Hz 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	120 Hz	120 Hz	120 Hz	165 Hz
Panel	VA	VA	VA	VA
Response time	1 ms	1 ms	1 ms	1 ms
Released	2025	2026	2026	2026