AOC E4 CU34E4CV 34″ 120Hz Monitor

34 inch · 3440 x 1440 · 120 Hz · VA

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

Screen size 34 inch
Resolution 3440 x 1440
Refresh rate 120 Hz
Panel VA
Response time 4 ms

AOC E4 CU34E4CV 34″ 120Hz Monitor 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: 2025-07-13

Specifications

Key specs

Screen size: 34 inch
Resolution: 3440 x 1440
Refresh rate: 120 Hz
Panel: VA
Response time: 4 ms
Released: 2025-07-13
Part number: CU34E4CV

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
LED backlight: Yes
Backlight type: W-LED
Display brightness (typical): 350 cd/m²
Response time: 4 ms
Response time measurement type: GTG (Gray to Gray)
Response time (MPRT): 1 ms
Anti-glare screen: Yes
Screen shape: Curved
Screen curvature rating: 1500R
Contrast ratio (typical): 3500:1
Contrast ratio (dynamic): 50000000:1
Maximum refresh rate: 120 Hz
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Display number of colours: 1.07 billion colours
Pixel pitch: 0.23175 x 0.23175 mm
Pixel density: 109.68 ppi
Horizontal scan range: 30 - 190 kHz
Vertical scan range: 48 - 120 Hz
Viewable size, horizontal: 79.7 cm
Viewable size, vertical: 33.4 cm
Digital horizontal frequency: 30 - 190 kHz
Digital vertical frequency: 48 - 120 Hz
Display diagonal (metric): 86.36 cm
High Dynamic Range (HDR) supported: Yes
High Dynamic Range (HDR) technology: High Dynamic Range 10 (HDR10)
DDC/CI: Yes
Surface hardness: 3H
Colour gamut standard: sRGB
sRGB coverage (typical): 120.6%

Performance

AMD FreeSync refresh rate range: 48 - 120 Hz
VESA Adaptive Sync support: Yes
Flicker-free technology: Yes
Low Blue Light technology: Yes

View all specifications +11 more sectionsShow fewer specifications

Multimedia

Number of speakers: 2
RMS rated power: 10 W
Built-in speaker(s): Yes

Design

Market positioning: Office
Product colour: Black
Frameless design: Yes
Front bezel colour: Black
Detachable stand: Yes

Ports & interfaces

Built-in USB hub: Yes
USB hub version: 2.0 / 3.2 Gen 1 (3.1 Gen 1)
USB upstream port type: USB Type-B, USB Type-C
Number of USB Type-B upstream ports quantity: 1
Number of USB Type-C upstream ports quantity: 2
USB Type-A downstream ports quantity: 4
USB Power Delivery (USB PD): Yes
USB Power Delivery up to: 90 W
HDMI: Yes
HDMI ports quantity: 2
HDMI version: 2.1
DisplayPorts quantity: 1
DisplayPort version: 1.4
Audio output: Yes
Headphone out: Yes
Headphone outputs: 1
Built-in KVM switch: Yes
HDCP: Yes
HDCP version: 1.4/2.2

Network

Ethernet LAN: Yes

Ergonomics

VESA mounting: Yes
Panel mounting interface: 100 x 100 mm
Cable management: Yes
Cable lock slot: Yes
Cable lock slot type: Kensington
Height adjustment: Yes
Adjustable height (max): 18 cm
Swivelling: Yes
Swivel angle range: -180 - 180°
Tilt adjustment: Yes
Tilt angle range: -5 - 23°
Picture-in-Picture: Yes
Plug and Play: Yes

Power

Energy efficiency class (SDR): E
Energy efficiency class (HDR): G
Energy consumption (SDR) per 1000 hours: 25 kWh
Energy consumption (HDR) per 1000 hours: 46 kWh
Power consumption (typical): 31.7 W
Power consumption (standby): 0.5 W
Power consumption (max): 179 W
Power consumption (off): 0.3 W
AC input voltage: 100 - 240 V
AC input frequency: 50/60 Hz
Input current: 2.5 A
Power supply type: Internal
Energy efficiency scale: A to G

Operational conditions

Operating temperature (T-T): 0 - 40 °C
Storage temperature (T-T): -25 - 55 °C
Operating relative humidity (H-H): 10 - 85%
Storage relative humidity (H-H): 5 - 93%
Operating altitude: 0 - 5000 m
Non-operating altitude: 0 - 12192 m

Weight & dimensions

Width (with stand): 808.8 mm
Depth (with stand): 252.2 mm
Height (with stand): 581.6 mm
Weight (with stand): 9.92 kg
Width (without stand): 365.4 mm
Depth (without stand): 101.5 mm
Height (without stand): 365.4 mm
Weight (without stand): 7.16 kg

Other features

Local dimming: Yes
Warranty period: 5 year(s)
Bezel thickness type: Frameless
Compliance certificates: CE
Certification: WEEE,REACH compliant,RoHs compliant,CB,TUV-GS-Mark,TUV Ergo,EAC,FCC

Recycling data

Packaging recyclability rate: 100%

Technical details

Native refresh rate: 60 Hz

Check the manufacturer's page before buying.

Ready to buy? Get the AOC E4 CU34E4CV 34″ 120Hz Monitor at today's price.Buy now

About this product

Boost productivity with the CU34E4CV 34" WQHD Ultrawide monitor The CU34E4CV offers a 34" WQHD display with a 120Hz refresh rate, HDR10, and Hardware Anti-Blue Light for clear, comfortable viewing. Featuring Smart KVM, a 90W PD docking station, and a sleek, professional design, it's ideal for enhancing productivity and multitasking.

User manual (PDF) · Datasheet (PDF)

CU34E4CV vs similar monitors

	AOC E4 CU34E4CV 34″ 120Hz Monitor	AOC CU34E4CW/75 34″ 120Hz Monitor	AOC CU34E4C 34″ 120Hz Monitor	Lenovo L34W-4C 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	120 Hz
Panel	VA	VA	VA	VA
Response time	4 ms	4 ms	4 ms	4 ms
Released	2025	2026	2026	2026