HP OMEN by HP 27 inch UHD 144Hz Gaming Monitor OMEN 27k

27 inch · 3840 x 2160 · 144 Hz · IPS

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Screen size 27 inch
Resolution 3840 x 2160
Refresh rate 144 Hz
Panel IPS
Response time 1 ms

HP OMEN by HP 27 inch UHD 144Hz Gaming Monitor OMEN 27k is a 27-inch monitor with 3840 x 2160 resolution, a 144 Hz refresh rate and IPS panel. The high refresh rate makes fast games look smoother. It came out in 2025.

Released: 2025-05-24

Specifications

Key specs

Screen size: 27 inch
Resolution: 3840 x 2160
Refresh rate: 144 Hz
Panel: IPS
Response time: 1 ms
Released: 2025-05-24
Part number: 780G8AA#ABA
EAN / UPC: 0197029615930

Display

Display diagonal: 68.6 cm (27")
Display resolution: 3840 x 2160 pixels
HD type: 4K Ultra HD
Native aspect ratio: 16:9
Display technology: LCD
Panel type: IPS
LED backlight: Yes
Backlight type: Edge LED
Display brightness (typical): 400 cd/m²
Display brightness: 400 cd/m²
Response time: 1 ms
Response time measurement type: GTG (Gray to Gray)
Display surface: Matt
Anti-glare screen: Yes
Screen shape: Flat
Supported graphics resolutions: 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1280 x 720 (HD 720), 1280 x 800, 1440 x 900 (WXGA+), 1600 x 900, 1680 x 1050 (WSXGA+), 1920 x 1080 (HD 1080), 1920 x 1200 (WUXGA), 2560 x 1440, 3840 x 2160, 640 x 480 (VGA), 720 x 400, 800 x 600 (SVGA)
Aspect ratio: 16:9
Contrast ratio (typical): 1000:1
Contrast ratio (dynamic): 10000000:1
Maximum refresh rate: 144 Hz
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Display number of colours: 1.07 billion colours
Pixel pitch: 0.16 x 0.16 mm
Pixel density: 163 ppi
Horizontal scan range: 80 - 320 kHz
Vertical scan range: 55 - 144 Hz
Viewable size, horizontal: 59.7 cm
Viewable size, vertical: 33.6 cm
Display diagonal (metric): 68.6 cm
Haze rate: 25%
Surface hardness: 3H
Colour depth: 8 bit
Colour gamut standard: sRGB, DCI-P3
Colour gamut: 99%
sRGB coverage (typical): 99%
DCI-P3 coverage: 95%

Performance

NVIDIA G-SYNC: Yes
NVIDIA G-SYNC type: G-SYNC Compatible
AMD FreeSync: Yes
AMD FreeSync type: FreeSync Premium
VESA Adaptive Sync support: Yes
Flicker-free technology: Yes
Low Blue Light technology: Yes
HP segment: Home

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Multimedia

Number of speakers: 2
RMS rated power: 6 W
Built-in speaker(s): Yes

Design

Market positioning: Gaming
Product colour: Black
Detachable stand: Yes
Feet colour: Black

Ports & interfaces

Built-in USB hub: Yes
USB hub version: 3.2 Gen 2 (3.1 Gen 2)
USB upstream port type: USB Type-B
USB Type-A downstream ports quantity: 2
USB Type-C downstream ports quantity: 1
USB Type-C DisplayPort Alternate Mode: Yes
HDMI: Yes
HDMI ports quantity: 2
HDMI version: 2.0/2.1
DisplayPorts quantity: 1
DisplayPort version: 1.4
Headphone out: Yes
Headphone outputs: 1
Headphone connectivity: 3.5 mm
HDCP: Yes

Ergonomics

VESA mounting: Yes
Panel mounting interface: 100 x 100 mm
Height adjustment: Yes
Adjustable height (max): 10 cm
Pivot: Yes
Pivot angle: -90 - 90°
Tilt adjustment: Yes
Tilt angle range: -5 - 20°
On Screen Display (OSD): Yes

Power

Energy efficiency class (SDR): F
Energy efficiency class (HDR): F
Energy consumption (SDR) per 1000 hours: 26 kWh
Energy consumption (HDR) per 1000 hours: 54 kWh
Power consumption (typical): 50 W
Power consumption (standby): 33.5 W
Power consumption (max): 120 W
Power consumption (off): 0.3 W
AC input voltage: 100 - 240 V
AC input frequency: 50/60 Hz
Power supply type: Internal
Energy efficiency scale: A to G

Operational conditions

Operating temperature (T-T): 5 - 35 °C
Operating relative humidity (H-H): 20 - 80%
Storage relative humidity (H-H): 20 - 80%

Weight & dimensions

Width (with stand): 613.6 mm
Depth (with stand): 223.3 mm
Height (with stand): 523.7 mm
Weight (with stand): 7.54 kg
Width (without stand): 613.6 mm
Depth (without stand): 52.2 mm
Height (without stand): 364.3 mm

Carbon footprint

Carbon emissions, manufacturing (kg of CO2e): 136
Carbon emissions, logistics (kg of CO2e): 4
Carbon emissions, end-of-life (kg of CO2e): 3
Total carbon emissions, w/o use phase (kg of CO2e): 56

Other features

Weight: 7.54 kg
Height: 364.3 mm
Width: 613.6 mm
Depth: 52.2 mm
Compliance certificates: CCC, CB, EAC, RoHS, BIS, Federal Communications Commission (FCC), CE, BSMI
Certification: BIS; BSMI; CB; CCC; CE; CEL; CSA; EAC; FCC; ISO 9241-307; KC/KCC; NOM; PSB; TUV Bauart; TUV LBL; VCCI; WEEE; ISC; CEL Grade 3; California Energy Commission (CEC); WW application; ICE; Ukraine certificates; TÜV Flicker free certified; UAE safety; UAE RoHS; South Africa safety

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About this product

THE CENTERPIECE OF FUN

Play, create, and enjoy whatever your heart desires with this centerpiece of fun—all in 4K [1] . Jump between 2 devices in a flash all while controlling both with the same keyboard and mouse, thanks to the built-in KVM switch [2] . Get stunning 4K visuals [1] on PCs, consoles, and more with the OMEN by HP 27-inch UHD 144Hz Gaming Monitor.

Datasheet (PDF)

OMEN by HP 27 inch UHD 144Hz Gaming Monitor - OMEN 27k vs similar monitors

	HP OMEN by HP 27 inch UHD 144Hz Gaming Monitor OMEN 27k	Samsung Odyssey G7 G70D	AOC AG324UX/69 32″ 144Hz Monitor	TCL C2 27C2A 27″ 160Hz Monitor
Screen size	27 inch	27 inch	32 inch	27 inch
Resolution	3840 x 2160	3840 x 2160	3840 x 2160	3840 x 2160
Refresh rate	144 Hz	144 Hz	144 Hz	160 Hz
Panel	IPS	IPS	IPS	IPS
Response time	1 ms	1 ms	1 ms	1 ms
Released	2025	2026	2026	2026