AOC E4 U27E4CV. Display diagonal: 68.6 cm (27"), Display resolution: 3840 x 2160 pixels, HD type: 4K Ultra HD, Display technology: LED, Response time: 4 ms, Native aspect ratio: 16:9, 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

Display
Display diagonal	68.6 cm (27")
Display resolution	3840 x 2160 pixels
HD type	4K Ultra HD
Native aspect ratio	16:9
Display technology	LED
Panel type	IPS
LED backlight	Yes
Backlight type	W-LED
Touchscreen	No
Display brightness (typical)	400 cd/m²
Response time	4 ms
Response time measurement type	GTG (Gray to Gray)
Anti-glare screen	Yes
Screen shape	Flat
Contrast ratio (typical)	1200:1
Contrast ratio (dynamic)	50000000:1
Maximum refresh rate	60 Hz
Viewing angle, horizontal	178°
Viewing angle, vertical	178°
Display number of colours	1.07 billion colours
Pixel pitch	1554 x 1554 mm
Pixel density	163 ppi
Digital horizontal frequency	30 - 140 kHz
Digital vertical frequency	23 - 75 Hz
Display diagonal (metric)	68.6 cm
High Dynamic Range (HDR) supported	Yes
Surface hardness	3H
Colour gamut standard	sRGB
sRGB coverage (typical)	125.3%
Performance
VESA Adaptive Sync support	Yes
Flicker-free technology	Yes
Low Blue Light technology	Yes
Multimedia
Number of speakers	2
RMS rated power	4 W
Built-in speaker(s)	Yes
Built-in camera	No
Design
Market positioning	Consumer
Product colour	Black
Frameless design	Yes
Front bezel colour	Black
Detachable stand	Yes
Ports & interfaces
Built-in USB hub	Yes
USB hub version	3.2 Gen 1 (3.1 Gen 1)
USB upstream port type	USB Type-C
Number of upstream ports	1
USB Type-A downstream ports quantity	4
USB Type-C DisplayPort Alternate Mode	Yes
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 input	Yes
Audio output	Yes
Headphone out	Yes
Headphone outputs	1
HDCP	Yes
HDCP version	1.4/2.2
Network
Ethernet LAN	Yes
Ergonomics
VESA mounting	Yes
Panel mounting interface	100 x 100 mm
Cable lock slot	Yes
Cable lock slot type	Kensington
Height adjustment	Yes
Adjustable height (max)	15 cm
Pivot	Yes
Pivot angle	-90 - 90°
Swivelling	Yes
Swivel angle range	-180 - 180°
Tilt adjustment	Yes
Tilt angle range	-5 - 30°
Power
Energy efficiency class (SDR)	E
Energy efficiency class (HDR)	G
Energy consumption (SDR) per 1000 hours	21 kWh
Energy consumption (HDR) per 1000 hours	36 kWh
Power consumption (typical)	21.6 W
Power consumption (standby)	0.3 W
Power consumption (off)	0.3 W
Power supply type	Internal
Energy efficiency scale	A to G
Weight & dimensions
Width (with stand)	613.7 mm
Depth (with stand)	222 mm
Height (with stand)	549.8 mm
Weight (with stand)	6.83 kg
Width (without stand)	613.7 mm
Depth (without stand)	52.6 mm
Height (without stand)	362.5 mm
Weight (without stand)	4.82 kg
Packaging data
Package width	730 mm
Package depth	139 mm
Package height	480 mm
Package weight	9.35 kg
Packaging content
Cables included	AC, HDMI, DisplayPort, USB Type-C
DisplayPort cable length	1.8 m
HDMI cable length	1.8 m
Sustainability
Sustainability certificates	EPEAT Gold, TCO
Doesn't contain	Mercury, PVC/BFR
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
Product post-consumer recycled plastic	85%
Technical details
Native refresh rate	60 Hz