DELL S Series S2721QSA. Display diagonal: 27", Display resolution: 3840 x 2160 pixels, HD type: 4K Ultra HD, Display technology: LCD, Response time: 4 ms, Native aspect ratio: 16:9, Viewing angle, horizontal: 178°, Viewing angle, vertical: 178°. Built-in speaker(s). VESA mounting, Height adjustment. Product color: Black, Silver

Display diagonal	27"
Display resolution	3840 x 2160 pixels
Native aspect ratio	16:9
Display technology	LCD
Touchscreen	No
HD type	4K Ultra HD
Panel type	IPS
Response time	4 ms
Screen shape	Flat
Contrast ratio (typical)	1000:1
Maximum refresh rate	60 Hz
Display number of colors	1.07 billion colors
Backlight type	LED
Display brightness (typical)	350 cd/m²
Anti-glare screen	Yes
Supported graphics resolutions	720 x 400, 2048 x 1280, 2560 x 1440, 3840 x 2160
Supported video modes	480i, 480p, 576i, 576p, 720p, 1080i, 1080p
Aspect ratio	16:9
Viewing angle, horizontal	178°
Viewing angle, vertical	178°
Response time (fast)	5 ms
Pixel pitch	0.00612 x 0.00612" (0.155 x 0.155 mm)
Pixel density	163 ppi
Horizontal scan range	130 - 137 kHz
Vertical scan range	40 - 60 Hz
Viewable size, horizontal	23.5" (59.7 cm)
Viewable size, vertical	13.2" (33.6 cm)
Viewable size diagonal	27" (68.5 cm)
Display diagonal (metric)	27" (68.5 cm)
High Dynamic Range (HDR) supported	No
Surface hardness	3H
sRGB coverage (typical)	99%
NVIDIA G-SYNC	No
AMD FreeSync	Yes
AMD FreeSync type	FreeSync
Built-in speaker(s)	Yes
Built-in camera	No
Number of speakers	2
RMS rated power	6 W
Market positioning	Office
Product color	Black, Silver
Front bezel color	Black
Detachable stand	Yes
Feet color	Silver
Built-in USB hub	No
HDMI	Yes
Headphone out	Yes
HDMI ports quantity	2
HDMI version	2.0
DisplayPorts quantity	1
DisplayPort version	1.2
AC (power) in	Yes
Wi-Fi	No
VESA mounting	Yes
Cable lock slot	Yes
Height adjustment	Yes
Panel mounting interface	100 x 100 mm
Cable management	Yes
Cable lock slot type	Kensington
Adjustable height (max)	3.94" (10 cm)
Pivot	Yes
Pivot angle	-90 - 90°
Swiveling	Yes
Swivel angle range	-30 - 30°
Tilt adjustment	Yes
Tilt angle range	-5 - 21°
Picture-in-Picture	Yes
On Screen Display (OSD)	Yes
Plug and Play	Yes
LED indicators	Yes
Energy efficiency class (SDR)	F
Energy efficiency class (HDR)	G
Energy consumption (SDR) per 1000 hours	25 kWh
Energy consumption (HDR) per 1000 hours	35 kWh
Power consumption (typical)	24.7 W
Power consumption (standby)	0.2 W
Power consumption (max)	57 W
Power consumption (off)	0.2 W
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Input current	1.5 A
Power supply type	Internal
Energy efficiency scale	A to G
Operating temperature (T-T)	0 - 40 °C
Storage temperature (T-T)	-20 - 60 °C
Operating relative humidity (H-H)	10 - 80%
Storage relative humidity (H-H)	5 - 90%
Operating altitude	0 - 196850.4" (0 - 5000 m)
Non-operating altitude	196850.4 - 480000" (5000 - 12192 m)
Width (with stand)	24.1" (611.6 mm)
Depth (with stand)	6.88" (174.7 mm)
Height (with stand)	20.1" (510.1 mm)
Weight (with stand)	13.7 lbs (6.2 kg)
Width (without stand)	24.1" (611.6 mm)
Depth (without stand)	2.18" (55.4 mm)
Height (without stand)	14.4" (364.6 mm)
Weight (without stand)	10.4 lbs (4.7 kg)
Bezel width (side)	0.291" (7.4 mm)
Bezel width (top)	0.291" (7.4 mm)
Bezel width (bottom)	0.85" (2.16 cm)
Package weight	20.3 lbs (9.2 kg)
Stand included	Yes
Cables included	AC, HDMI
Quick start guide	Yes
Sustainability certificates	ENERGY STAR, TCO
Doesn't contain	PVC/BFR
Heavy metals free	Hg (mercury)
Compliance certificates	RoHS
Ethernet LAN (RJ-45) ports	0
European Product Registry for Energy Labelling (EPREL) code	1332255