HP P21b G4

21 inch · 1920 x 1080 · 60 Hz · TN

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Screen size 21 inch
Resolution 1920 x 1080
Refresh rate 60 Hz
Panel TN
Response time 5 ms

HP P21b G4 is a 21-inch monitor with 1920 x 1080 resolution, a 60 Hz refresh rate and TN panel. Fine for work and everyday use; for fast shooters look at 144 Hz and up. It came out in 2026.

Released: 2026-03-31

Specifications

Key specs

Screen size: 21 inch
Resolution: 1920 x 1080
Refresh rate: 60 Hz
Panel: TN
Response time: 5 ms
Released: 2026-03-31
Part number: 9TY24AA#ABA

Display

Display diagonal: 52.6 cm (20.7")
Display resolution: 1920 x 1080 pixels
HD type: Full HD
Native aspect ratio: 16:9
Display technology: LED
Panel type: TN
Display brightness (typical): 250 cd/m²
Response time: 5 ms
Screen shape: Flat
Supported graphics resolutions: 640 x 480 (VGA), 720 x 400, 800 x 600 (SVGA), 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1280 x 720 (HD 720), 1280 x 800 (WXGA), 1440 x 900 (WXGA+), 1600 x 900, 1680 x 1050 (WSXGA+), 1920 x 1080 (HD 1080)
Contrast ratio (typical): 600:1
Contrast ratio (dynamic): 8000000:1
Maximum refresh rate: 60 Hz
Viewing angle, horizontal: 90°
Viewing angle, vertical: 65°
Pixel pitch: 0.238 x 0.238 mm
Pixel density: 106 ppi
Horizontal scan range: 30 - 80 kHz
Vertical scan range: 50 - 60 Hz
Display diagonal (metric): 52.57 cm
Colour gamut standard: NTSC
Colour gamut: 72%

Performance

Flicker-free technology: Yes
Low Blue Light technology: Yes
HP segment: Business

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Multimedia

Number of speakers: 2
Built-in speaker(s): Yes

Design

Market positioning: Business
Product colour: Black
Front bezel colour: Black
Detachable stand: Yes
Feet colour: Black

Ports & interfaces

VGA (D-Sub) ports quantity: 1
HDMI: Yes
HDMI ports quantity: 1
HDMI version: 1.4
Headphone out: Yes

Ergonomics

VESA mounting: Yes
Panel mounting interface: 100 x 100 mm
Cable lock slot: Yes
Tilt adjustment: Yes
Tilt angle range: -5 - 20°

Power

Power consumption (typical): 23.5 W
Power consumption (standby): 0.5 W
Power consumption (max): 26 W
AC input voltage: 100 - 240 V

Operational conditions

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

Weight & dimensions

Width (with stand): 490.3 mm
Depth (with stand): 186.1 mm
Height (with stand): 374.1 mm
Weight (with stand): 2.6 kg
Width (without stand): 490.3 mm
Depth (without stand): 46.3 mm
Height (without stand): 294.1 mm

Other features

Energy efficiency class (legacy scale): A+

Check the manufacturer's page before buying.

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About this product

An everyday, affordable business monitor that’s easy on you. Tackle your daily task list and save space on your desk with the budget-friendly HP P21b G4 Monitor that adjusts to your comfort needs and delivers Full HD picture quality and integrated audio.

Datasheet (PDF)

P21b G4 vs similar monitors

	HP P21b G4	AOC 70 Series E970SWHNL 19″ 60Hz Monitor	Lenovo C19-10 Monitor	Lenovo C22-20 22″ 75Hz Monitor
Screen size	21 inch	19 inch	19 inch	22 inch
Resolution	1920 x 1080	1366 x 768	1366 x 768	1920 x 1080
Refresh rate	60 Hz	60 Hz	60 Hz	75 Hz
Panel	TN	TN	TN	TN
Response time	5 ms	5 ms	5 ms	5 ms
Released	2026	2026	2026	2026