DELL S Series S3221QSA. Display diagonal: 80 cm (31.5"), Display resolution: 3840 x 2160 pixels, HD type: 4K Ultra HD, Display technology: LCD, Response time: 8 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, Silver

Specification

Product
Product id	881484
Brand	Dell
Partnr	DELL-S3221QSA
EAN/UPC code	5397184657195
Network
Wi-Fi	N
Technical details
Sustainability certificates	RoHS
Doesn't contain	PVC/BFR
Display
Display diagonal	31.5 inch
Display resolution	3840 x 2160 Pixels
Native aspect ratio	16:9
Panel type	VA
Display brightness (typical)	300 cd/m²
Response time	8 ms
HD type	4K Ultra HD
Display technology	LCD
Haze rate	25 procent
Backlight type	LED
Anti-glare screen	Y
Screen shape	Curved screen
Screen curvature rating	1800R
Supported video modes	480i, 480p, 576i, 576p, 720p, 1080i, 1080p
Contrast ratio (typical)	3000:1
Maximum refresh rate	60 Hz
Viewing angle, horizontal	178 °
Viewing angle, vertical	178 °
Display number of colours	1.07 billion colours
Response time (fast)	5 ms
Display diagonal (metric)	80.01 cm
Pixel density	139 ppi
Pixel pitch	0.18159 x 0.18159 mm
Viewable size, horizontal	697.3 mm
Viewable size, vertical	392.3 mm
Viewable size diagonal	800.1 mm
Digital horizontal frequency	29 - 140 kHz
Digital vertical frequency	40 - 60 Hz
High Dynamic Range (HDR) supported	N
Surface hardness	3H
RGB colour space	DCI-P3
Colour gamut	90 procent
sRGB coverage (typical)	99 procent
Performance
NVIDIA G-SYNC	N
AMD FreeSync	Y
Flicker-free technology	Y
Multimedia
Built-in speaker(s)	Y
Built-in camera	N
Number of speakers	2
RMS rated power	10 W
Design
Market positioning	Office
Product colour	Black, Silver
Front bezel colour	Black
Detachable stand	Y
Feet colour	Silver
Heavy metals free	Hg (mercury)
Ports & interfaces
Built-in USB hub	Y
USB hub version	3.2 Gen 1 (3.1 Gen 1)
USB upstream port type	USB Type-B
Number of USB Type-B upstream ports quantity	1
USB Type-A downstream ports quantity	2
HDMI	Y
HDMI ports quantity	2
HDMI version	2.0
DisplayPorts quantity	1
DisplayPort version	1.2
Headphone out	Y
HDCP version	2.2
HDCP	Y
AC (power) in	Y
Ergonomics
VESA mounting	Y
Panel mounting interface	100 x 100 mm
Cable lock slot	Y
Cable management	Y
Cable lock slot type	Kensington
Height adjustment	Y
Height adjustment	70 mm
Swivelling	N
Pivot	N
Tilt angle range	-5 - 21 °
Picture-in-Picture	Y
Tilt adjustment	Y
On Screen Display (OSD)	Y
Plug and Play	Y
LED indicators	Y
Packaging data
Stand included	Y
Cables included	AC, HDMI, USB
Package weight	15200 g
Power
Energy efficiency class (SDR)	G
Energy consumption (SDR) per 1000 hours	33 kWu
Power consumption (typical)	33 W
Energy efficiency class (HDR)	G
Power consumption (standby)	0.2 W
Energy consumption (HDR) per 1000 hours	56 kWu
Power consumption (max)	91 W
Power consumption (off)	0.2 W
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Input current	1.6 A
Energy efficiency scale	A to G
Operational conditions
Operating temperature (T-T)	0 - 40 °C
Storage temperature (T-T)	-20 - 60 °C
Operating relative humidity (H-H)	10 - 80 procent
Storage relative humidity (H-H)	10 - 90 procent
Operating altitude	0 - 5000 m
Non-operating altitude	5000 - 12192 m
Weight & dimensions
Width (with stand)	709.2 mm
Depth (with stand)	207 mm
Height (with stand)	518.1 mm
Weight (with stand)	10500 g
Width (without stand)	709.2 mm
Depth (without stand)	64 mm
Height (without stand)	424.8 mm
Weight (without stand)	7400 g
Bezel width (side)	8.2 mm
Bezel width (top)	8.1 mm
Bezel width (bottom)	24.1 mm
Other features
Display brightness (peak)	300 cd/m²
Power supply type	Internal
Touchscreen	N