The AOC E4 CU34E4CW is a 34‑inch curved UltraWide QHD LED monitor featuring a 3440 × 1440 resolution in a 21:9 aspect ratio. Its VA panel provides deep contrast and vibrant colors, while the 120 Hz refresh rate ensures smooth motion for work, gaming, and multimedia. The monitor includes HDR10 support for enhanced visuals, a USB-C port with 90 W power delivery, Smart KVM functionality, and a built-in 5 MP webcam, making it ideal for productivity and hybrid work setups.
Maximize productivity with the CU34E4CW 34" UWQHD monitor
Experience 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.
Specifications
| Display |
| sRGB coverage (typical) |
120.6% |
| Colour gamut standard |
sRGB |
| Surface hardness |
3H |
| Haze rate |
25% |
| High Dynamic Range (HDR) technology |
High Dynamic Range 10 (HDR10) |
| High Dynamic Range (HDR) supported |
Yes |
| Display diagonal (metric) |
86.36 cm |
| Digital vertical frequency |
48 - 120 Hz |
| Digital horizontal frequency |
30 - 190 kHz |
| Pixel density |
109.68 ppi |
| Pixel pitch |
0.23175 x 0.23175 mm |
| Display number of colours |
1.07 billion colours |
| Viewing angle, vertical |
178° |
| Viewing angle, horizontal |
178° |
| Maximum refresh rate |
120 Hz |
| Contrast ratio (dynamic) |
20000000:1 |
| Contrast ratio (typical) |
3500:1 |
| Screen curvature rating |
1500R |
| Screen shape |
Curved |
| Anti-glare screen |
Yes |
| Response time measurement type |
GTG (Gray to Gray) |
| Response time |
4 ms |
| Display brightness (typical) |
300 cd/m² |
| Backlight type |
W-LED |
| LED backlight |
Yes |
| Panel type |
VA |
| HD type |
UltraWide Quad HD |
| Touchscreen |
No |
| Display technology |
LED |
| Native aspect ratio |
21:9 |
| Display resolution |
3440 x 1440 pixels |
| Display diagonal |
86.4 cm (34") |
| Performance |
| Low Blue Light technology |
Yes |
| Flicker-free technology |
Yes |
| VESA Adaptive Sync support |
Yes |
| Multimedia |
| Megapixel (approx.) |
5 MP |
| Built-in camera |
Yes |
| RMS rated power |
10 W |
| Number of speakers |
2 |
| Built-in speaker(s) |
Yes |
| Design |
| Detachable stand |
Yes |
| Front bezel colour |
Black |
| Frameless design |
Yes |
| Product colour |
Black |
| Market positioning |
Office |
| Ports & interfaces |
| HDCP version |
1.4/2.2 |
| HDCP |
Yes |
| Built-in KVM switch |
Yes |
| Headphone outputs |
1 |
| Headphone out |
Yes |
| DisplayPort version |
1.4 |
| DisplayPorts quantity |
1 |
| HDMI version |
2.0 |
| HDMI ports quantity |
2 |
| HDMI |
Yes |
| USB Power Delivery up to |
90 W |
| USB Power Delivery (USB PD) |
Yes |
| USB Type-C DisplayPort Alternate Mode |
Yes |
| USB Type-A downstream ports quantity |
4 |
| Number of USB Type-C upstream ports quantity |
2 |
| Number of downstream ports |
4 |
| Number of upstream ports |
2 |
| USB upstream port type |
USB Type-C |
| USB hub version |
3.2 Gen 1 (3.1 Gen 1) |
| Built-in USB hub |
Yes |
| Network |
| Ethernet LAN |
Yes |
| Ergonomics |
| Picture-in-Picture |
Yes |
| Tilt angle range |
-5 - 21° |
| Tilt adjustment |
Yes |
| Swivel angle range |
-180 - 180° |
| Swivelling |
Yes |
| Adjustable height (max) |
18 cm |
| Height adjustment |
Yes |
| Cable lock slot type |
Kensington |
| Cable lock slot |
Yes |
| Cable management |
Yes |
| Panel mounting interface |
100 x 100 mm |
| VESA mounting |
Yes |
| Power |
| Energy efficiency scale |
A to G |
| Power supply type |
Internal |
| Power consumption (off) |
0.3 W |
| Energy efficiency class (SDR) |
D |
| Weight & dimensions |
| Weight (without stand) |
7.33 kg |
| Height (without stand) |
365.4 mm |
| Depth (without stand) |
101.5 mm |
| Width (without stand) |
808.8 mm |
| Weight (with stand) |
10.1 kg |
| Height (with stand) |
581.6 mm |
| Depth (with stand) |
252.2 mm |
| Width (with stand) |
808.8 mm |
| Packaging data |
| Package weight |
13.8 kg |
| Package height |
525 mm |
| Package depth |
188 mm |
| Package width |
930 mm |
| Packaging content |
| HDMI cable length |
1.8 m |
| DisplayPort cable length |
1.8 m |
| Cables included |
AC, DisplayPort, HDMI, USB Type-C to USB Type-C |
| Sustainability |
| Doesn't contain |
Halogen, Mercury, PVC/BFR |
| Sustainability certificates |
ENERGY STAR, EPEAT, TCO10 |
| Other features |
| Compliance certificates |
CB, CE, EAC, Federal Communications Commission (FCC), REACH, RoHS, TÜV mark, UKCA, WEEE |
| Package weight |
13.8 kg |
| Warranty period |
5 year(s) |
| Local dimming |
Yes |
