Acer EK1 EK221Q E3 computer monitor 54.6 cm (21.5") 1920 x 1080 pixels Full HD LCD Black

Display
Display brightness (typical)	250 cd/m²
Screen shape	Flat
Display number of colours	16.7 million colours
Native aspect ratio	16:9
Maximum refresh rate	100 Hz
sRGB coverage (typical)	99%
Display diagonal	54.6 cm (21.5")
Response time	1 ms
Display resolution	1920 x 1080 pixels
Display technology	LCD
Contrast ratio (typical)	1000:1
Contrast ratio (dynamic)	100000000:1
Viewing angle, horizontal	178°
Viewing angle, vertical	178°
Pixel pitch	0.24 x 0.24 mm
Viewable size, horizontal	47.9 cm
Viewable size, vertical	26 cm
Digital horizontal frequency	31.47 - 83.89 kHz
Digital vertical frequency	48 - 75 Hz
HD type	Full HD
Touchscreen	No
Panel type	IPS
Colour depth	6 bit
Anti-glare screen	Yes
Performance
AMD FreeSync type	FreeSync
AMD FreeSync	Yes
NVIDIA G-SYNC	No
Multimedia
Built-in speaker(s)	No
Built-in camera	No
Design
Product colour	Black
Feet colour	Black
Front bezel colour	Black
Detachable stand	Yes
Ports & interfaces
Built-in USB hub	No
VGA (D-Sub) ports quantity	1
HDMI ports quantity	1
Headphone out	No
HDMI	Yes
HDMI version	1.4

Ergonomics
Wall mountable	Yes
VESA mounting	Yes
Panel mounting interface	100 x 100 mm
Tilt angle range	-5 - 20°
Height adjustment	No
Tilt adjustment	Yes
Power
Power supply type	External
AC input voltage	230 V
AC input frequency	60 Hz
Power consumption (max)	24 W
Power consumption (standby)	0.5 W
Power consumption (typical)	21 W
Power consumption (off)	0.3 W
Energy efficiency scale	A to G
Energy efficiency class (SDR)	E
Energy efficiency class (HDR)	Not available
Energy consumption (SDR) per 1000 hours	15 kWh
Packaging content
Stand included	Yes
Cables included	HDMI, Power
Packaging data
Stand included	Yes
Cables included	HDMI, Power
Other features
Power consumption (max)	24 W
HDMI	Yes
Energy efficiency scale	A to G
Power supply type	External
Touchscreen	No
Front bezel colour	Black
Technical details
Power supply type	External
Touchscreen	No

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SKU	UM.WE1SA.301	63DEKAR3AU	PRO MP273A	24E1N1200A/75	27E1N1200A/75	24E1N1100AW/75
Manufacturer	Acer	LENOVO	MSI	Philips	Philips	Philips
Display diagonal	21" to 23"	23" and more	23" and more	23" and more	23" and more	23" and more
Display resolution	1920 x 1080 pixels	1920 x 1080 pixels	1920 x 1080 pixels	1920 x 1080 pixels	1920 x 1080 pixels	1920 x 1080 pixels
Product colour	Black	Black	Black	Black	Black	White
Touchscreen	N	N	N	N	N	N
Built-in camera	N	N	N	N	N	N
Market positioning	N/A	N/A	Business	Home	Home	Home
Display technology	LCD	LED	LED	LCD	LCD	LCD
Native aspect ratio	16:9	16:9	16:9	16:9	16:9	16:9
VESA mounting	Y	Y	Y	Y	Y	Y
NVIDIA G-SYNC	N	N/A	N	N	N	N
Built-in USB hub	N	N	N	N	N	N
AMD FreeSync	Y	N/A	Y	N	N	N