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HP U28 4K HDR Monitor Product Specifications


Product number
Display panel type
Viewable image area (diagonal)
Panel active area (W x H)
62.09 x 34.12 cm
4K UHD (3840 x 2160)
Aspect ratio
Brightness (typical)
400 nits
Contrast ratio (typical)
1000:1 static
Response times
4ms GtG (with overdrive)
Pixel pitch
0.116 mm
Display features
On-screen controls; Low blue light mode; Anti-glare

Onscreen controls

User controls
Exit; Information; Management; Input control; Menu control; Brightness+; Image; Color

Resolutions supported

Signal interface/performance
1024 x 768; 1280 x 1024; 1440 x 900; 1600 x 900; 1920 x 1080; 1920 x 1200; 2560 x 1440; 3840 x 2160; 640 x 480; 720 x 400; 800 x 600

Video/other inputs/cables

HDMI; Audio; USB hub; DisplayPort
Display Input Type
1 HDMI 2.0; 2 USB Type-C™ (DisplayPort™ 1.2, power delivery up to 65 W); 1 DisplayPort™ 1.2; 3 USB-A 3.1 Gen 1


VESA mount
100 mm x 100 mm
Physical security
Security lock-ready


Input voltage
100 - 240 VAC 50/60 Hz
Power consumption
155 W (maximum), 45 W (typical), 0.5 W (standby)

Physical specifications

Dimensions With Stand (W x D x H)
63.71 x 18.99 x 53.14 cm
Dimensions (W x D x H)
63.71 x 4.34 x 37.12 cm
Minimum dimensions (W x D x H)
25.08 x 1.7 x 14.61 in
Product dimensions with stand (W x D x H)
25.08 x 7.47 x 20.92 in
14 lb

What's in the box

What's in the box
Monitor; DisplayPort™ cable; HDMI cable; USB Type-C™ cable; Warranty card; External power supplier; Product notice; AC power cable


Operating temperature range (deg C)
5 to 35°C
Operating temperature range (deg F)
41 to 95°F
Operating humidity range
20 to 80% non-condensing
Arsenic-free display glass; Low halogen; Mercury-free display backlights; TCO Certified
Certifications and compliances
Australian-New Zealand MEPS; BSMI; CB; CCC; CE; CECP; CEL; EAC; ENERGY STAR®; FCC; ISO 9241-307; KC/KCC; NOM; PSB; SEPA; TCO Certified; TUV-S; UL/CSA; VCCI; Vietnam MEPS; WEEE; ISC; WW application; ICE