Samsung U28R550UQP. Display diagonal: 71.1 cm (28"), 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°. VESA mounting. Product colour: Grey

Specification

Product
Product id	875875
Brand	Samsung
Partnr	LU28R550UQPXEN
EAN/UPC code	8806094771831
Display
Display diagonal	28 inch
Display resolution	3840 x 2160 Pixels
Native aspect ratio	16:9
Panel type	IPS
Display brightness (typical)	300 cd/m²
Response time	4 ms
HD type	4K Ultra HD
Display technology	LED
Screen shape	Flat screen
Contrast ratio (typical)	1000:1
Maximum refresh rate	60 Hz
Dynamic contrast ratio marketing name	Mega Infinity DCR
Viewing angle, horizontal	178 °
Viewing angle, vertical	178 °
Display number of colours	1 billion colours
Display diagonal (metric)	70.8 cm
Viewable size, horizontal	620.928 mm
Viewable size, vertical	341.28 mm
High Dynamic Range (HDR) technology	High Dynamic Range 10 (HDR10)
High Dynamic Range (HDR) supported	Y
Performance
NVIDIA G-SYNC	N
AMD FreeSync	Y
Flicker-free technology	Y
Game mode	Y
Multimedia
Built-in speaker(s)	N
Built-in camera	N
Design
Market positioning	Home
Product colour	Grey
Ports & interfaces
Built-in USB hub	N
HDMI	Y
HDMI ports quantity	2
HDMI version	2.0
DisplayPorts quantity	1
DisplayPort version	1.2
Headphone out	Y
Ergonomics
VESA mounting	Y
Panel mounting interface	75 x 75 mm
Height adjustment	N
Tilt angle range	-2 - 15 °
Tilt adjustment	Y
Packaging data
Stand included	Y
Cables included	AC, HDMI
Power cable length	1.5 m
Remote control batteries included	Y
Package width	732 mm
Package depth	176 mm
Package height	465 mm
Package weight	7600 g
Package type	Box
Power
Energy efficiency class (SDR)	F
Energy consumption (SDR) per 1000 hours	27 kWu
Power consumption (typical)	27 W
Energy efficiency class (HDR)	G
Power consumption (standby)	0.5 W
Energy consumption (HDR) per 1000 hours	40 kWu
Power consumption (max)	48 W
Power consumption (off)	0.3 W
AC input voltage	100 - 240 V
Operational conditions
Operating temperature (T-T)	10 - 40 °C
Operating relative humidity (H-H)	10 - 80 procent
Weight & dimensions
Width (with stand)	638.8 mm
Depth (with stand)	250.5 mm
Height (with stand)	479.3 mm
Weight (with stand)	5600 g
Width (without stand)	638.8 mm
Depth (without stand)	64 mm
Height (without stand)	374 mm
Weight (without stand)	5000 g
Other features
Digital signal format system	Not supported
Touchscreen	N