General Information for AOC Monitors
AOC E4 CU34E4CW, 86.4 cm (34"), 3440 x 1440 pixels, UltraWide Quad HD, LED, 4 ms, Black
CU34E4CW
Maximize productivity with the CU34E4CW 34" WQHD monitorExperience the power of performance with the CU34E4CW. This 34" UWQHD monitor delivers stunning visuals at a smooth 120Hz refresh rate, enhanced by Hardware Anti-Blue Light and HDR10 for eye comfort and vivid clarity. Equipped with a 90W PD docking station, Smart KVM for seamless device control, and a built-in 5MP webcam, it's the all-in-one solution for modern multitasking and efficient hybrid workspaces. CU34E4CW
Further details for this product, CU34E4CW, can be found at the manufacturer website. Please note, these web addresse(s) are supplied by 3rd parties, Quzo UK is not responsible for the content.
Screen size (inch) 34, Panel resolution 3440x1440, Max Refresh rate 120 Hz, Panel type VA, HDMI 2x 2.1 TMDS, DisplayPort DisplayPort 1.4 x 1, Sync technology (VRR) Adaptive Sync
AOC E4 CU34E4CW. Display diagonal: 86.4 cm (34"), Display resolution: 3440 x 1440 pixels, HD
type: UltraWide Quad HD, Display technology: LED, Response time: 4 ms, Native aspect ratio: 21:9, Viewing angle, horizontal: 178°, Viewing angle, vertical: 178°. Built-in speaker(s). Built-in USB hub, USB hub version: 3.2 Gen 1 (3.1 Gen 1). VESA mounting, Height adjustment. Product colour: Black
Warranty information: 5 years
Read more »
AOC E4 CU34E4CW computer monitor 86.4 cm (34") 3440 x 1440 pixels UltraWide Quad HD LED Black CU34E4CW Specifications
Product Type
Monitors
Brand
Aoc
Collection Model AOC CU34E4CW
Manufacturer Product Type
AOC Monitors
Market positioning Office
Product colour
Black
Panel mounting interface
100 x 100 mm
Frameless design Yes
Detachable stand Yes
Cable management Yes
Swivelling Yes
VESA mounting Yes
Backlight type W-LED
Cable Lock Slot Yes
Swivel angle range -180 - 180
Front bezel colour Black
Bezel thickness type Frameless
Form Factor
Everyday Monitors
Form Factor
32" - 40" Monitors
Product Family
Ultrawide Monitor
Product Family CU34E4CW
Display diagonal
34"
High Dynamic Range (HDR) supported Yes
LED backlight Yes
Display brightness (typical) 300 cd/m
Display Resolution
3440 x 1440 pixels
Native aspect ratio 21:9
Response Time 4 ms
Panel type
VA
Touchscreen No
Response time measurement type GTG (Gray to Gray)
Digital horizontal frequency 30 - 190 kHz
sRGB coverage (typical) 120.6%
HD type
UltraWide Quad HD
Display technology
LED
Screen shape
Curved
Screen curvature rating 1500R
Contrast ratio (dynamic) 20000000:1
Maximum refresh rate
120 Hz
Viewing angle, horizontal 178
Viewing angle, vertical 178
Display number of colours 1.07 billion colours
Display diagonal (metric) 86.36 cm
Pixel density 109.68 ppi
Pixel Pitch 0.23175 x 0.23175 mm
Contrast ratio (typical) 3500:1
Digital vertical frequency 48 - 120 Hz
Anti-glare screen Yes
Built-in speaker(s) Yes
Number of Speakers 2
RMS rated power 10 W
Ethernet LAN Yes
Built-in USB hub Yes
HDMI ports quantity 2
DisplayPorts quantity 1
Number of USB Type-C upstream ports quantity 2
Number of downstream ports 4
USB Type-C DisplayPort Alternate Mode Yes
USB Power Delivery (USB PD) Yes
Audio Output Yes
Headphone out Yes
HDMI version 2.1
USB hub version 3.2 Gen 1 (3.1 Gen 1)
USB upstream port type USB Type-C
Number of upstream ports 2
USB Type-A downstream ports quantity 4
USB Power Delivery up to 90 W
Headphone outputs 1
DisplayPort version 1.4
HDCP version 1.4/2.2
HDCP Yes
HDMI Yes
Power consumption (typical) 38 W
Energy efficiency class (SDR) D
Energy consumption (SDR) per 1000 hours 20 kWh
Energy consumption (HDR) per 1000 hours 46 kWh
Energy efficiency class (HDR) g
Power consumption (off) 0.3 W
Power consumption (standby) 0.5 W
Power supply type internal
Energy efficiency scale A to G
Width (with stand) 808.8 mm
Depth (with stand) 252.2 mm
Height (with stand) 252.2 mm
Width (without stand) 808.8 mm
Depth (without stand) 101.5 mm
Height (without stand) 365.4 mm
Weight (without stand) 7.33 kg
Weight (with stand) 10.1 kg
Built-in camera Yes
VESA Adaptive Sync support Yes
Flicker-free technology Yes
Low Blue Light technology Yes
High Dynamic Range (HDR) technology High Dynamic Range 10 (HDR10)
Local dimming Yes
Megapixel (approx.) 5 MP
Picture-in-Picture Yes
Tilt angle range -5 - 21
Tilt adjustment Yes
Height adjustment Yes
Adjustable height (max) 18 cm
Colour gamut standard sRGB
Certification WEEE,REACH compliant,RoHs compliant,HF,CB,TUV-GS-Mark,TUV Ergo,EAC,FCC
Built-in KVM switch Yes
Sustainability certificates EPEAT Gold, EPEAT Climate +, TCO
Haze rate 25%
Doesn't contain Mercury, PVC/BFR
Warranty period 5 year(s)
Compliance certificates CE
Cables included AC, HDMI, DisplayPort, USB Type-C
DisplayPort cable length 1.8 m
HDMI cable length 1.8 m
Package depth 188 mm
Package width 930 mm
Package height 525 mm
Package weight 13.8 kg
Post-consumer recycled plastic 85%
Surface hardness 3H
Colour of product Black
MPN CU34E4CW
Video Inputs DisplayPort
Monitor Response Time
4ms Monitors
Monitor Video Inputs
DisplayPort Monitors
Most Suitable For Casual Computing
AOC E4 CU34E4CW computer monitor 86.4 cm (34") 3440 x 1440 pixels UltraWide Quad HD LED Black CU34E4CW Reviews
Peter - 4 out of 5 Reviewed on eteknix.com in the United Kingdom on 25 October 2025
AOC is by far one of the biggest names in monitors, with a range that spans budget office numbers to flagship OLED gaming monitors, and everything in between. Their new monitor, the CU34E4CW, is positioned as a comprehensive hub for the modern hybrid work...