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Asus Asus C2221HF – Specs & Features Monitor
RATED
Good
5.2/10

21.45″ Asus C2221HF – Specs & Features

The ASUS C2221HF pairs an IPS panel with a 1920 x 1080 pixels / Full HD / 1080p resolution and a 48 Hz - 100 Hz refresh range.

21.45″ · 1.778:1 · MODEL YEAR 2024
Asus●Monitor
Asus Monitor
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Display
21.45 in, IPS, 1920 x 1080 pixels / Full HD / 1080p
21.45
Refresh Rate
48 Hz - 100 Hz
48 Hz
Brightness
250 cd/m²
250 cd
Contrast Ratio
1300 : 1
1300

Pros & Cons

Pros
  • 48 Hz 100 Hz refresh range with 5 ms GtG response supports everyday responsiveness
  • Full HD resolution is easy to drive without a high-end GPU
  • Backed by 3 years
  • IPS panel gives consistent colour and wide viewing angles
  • 100 x 100 mm VESA mount compatibility works with third-party arms and stands
Cons
  • Stand has no height adjustment
  • Stand doesn’t swivel or pivot
  • No USB-C or USB hub for peripheral connectivity
  • No listed built-in speakers
  • No colour-gamut coverage figure is published

Score & Ratings

5.2/10 Good
Design
5
Display
6
Color Performance
7
Performance
6
Connectivity
4
Model Information 11
Specification Value
Brand ASUS
Model C2221HF
Full Product Name ASUS C2221HF
Model Year 2024
Monitor Type Business / General-Purpose Monitor
Market Position Business - Webcam / Video Conferencing
Primary Use Video Conferencing & Office Productivity
Launch Status 2024
Available Colors Black
Warranty 3 years (36 months) standard limited warranty from date of purchase
Burn-In Warranty Not applicable (non-OLED panel)
Display & Panel 10
Specification Value
Screen Size 21.45 in
Exact Diagonal 546.1 mm (21.50 in)
Aspect Ratio 1.778:1
Active Display Width 478.656 mm (18.84 in)
Active Display Height 260.28 mm (10.25 in)
Display Area 86.68 % (percent)
Panel Type IPS
Backlight Type W-LED
3D Support No
Screen Coating Anti-glare / Matte

21.5" Display Size (54.5 cm) 16:9

54.5cm 21.5" 47.9 cm / 18.8" 49.4 cm / 19.4" (overall unit) 26 cm 10.2" 29.1 cm 11.5" (overall)
Resolution & Pixel Details 3
Specification Value
Native Resolution 1920 x 1080 pixels / Full HD / 1080p
Pixel Density 102 ppi / 40 ppcm
Pixel Pitch 0.248 mm (millimeters)

Resolution at a Glance

1920×1080 This screen 8K — 7,680×4,320 4K — 3,840×2,160 FHD — 1,920×1,080 HD — 1,280×720 2.1 MP — 1× the pixels of Full HD
Picture Quality & Color 7
Specification Value
Panel Bit Depth 8 bits (6 bits + FRC)
FRC Yes
Display Colors 16777216 colors / 24 bits
Typical Brightness 250 cd/m²
Static Contrast Ratio 1300 : 1
Horizontal Viewing Angle 178 °
Vertical Viewing Angle 178 °
DESK DISTANCE FIT 65cm
~65 cm desk distance
Ideal Fit
40°
CompactIdeal FitWideUltra-Wide

Fills central vision comfortably at a typical desk distance — no head movement needed.

Refresh Rate, Response & Gaming 5
Specification Value
Native Refresh Rate 100 Hz
Refresh Rate Range 48 Hz - 100 Hz
Minimum Response Time 5 ms
MPRT Response Time 1 ms (MPRT)
Adaptive-Sync VESA AdaptiveSync
Ports & Connectivity 6
Specification Value
HDMI Ports
1
HDMI Version 1.4
HDMI Bandwidth 30 kHz - 85 kHz
HDCP Support Yes
Audio Output 3.5 mm
Headphone Output 3.5 mm Audio Out

Ports & Connections

HDMIHeadphone3
Audio, Camera, Network & Smart Features 1
Specification Value
Built-In Camera No
Ergonomics & Stand 11
Specification Value
VESA Mount 100 x 100 mm
VESA Size 100 x 100 mm
Removable Stand Yes
Height Adjustment No
Tilt Adjustment Yes
Forward Tilt 5 °
Backward Tilt 23 °
Swivel Adjustment No
Portrait Mode No
Security Lock Yes
Anti-Theft Lock Kensington Lock
Dimensions, Weight & Design 5
Specification Value
Dimensions With Stand 493.6 mm x 357.6 mm x 204.4 mm (W x H x D)
Dimensions Without Stand 493.6 mm x 291.2 mm x 49.7 mm (W x H x D)
Weight With Stand 2.7 kg (5.95 lbs)
Weight Without Stand 2.3 kg (5.07 lbs)
Stand Depth 204.4 mm (8.05 in)
Power & Operating Conditions 9
Specification Value
Power Input 100–240V
110V Input Range 100 V - 120 V
220V Input Range 220 V - 240 V
AC Frequency 50 Hz - 60 Hz
Average Power Consumption 12 W
Sleep Consumption 0.5 W
Off Consumption 0.3 W
Operating Temperature 0 °C - 40 °C / 32 °F - 104 °F
Storage Temperature -20 °C - 60 °C / -4 °F - 140 °F
Eye Care, Protection & Additional Features 4
Specification Value
Flicker-Free Yes
Low Blue Light Yes
Anti-Theft Slot Yes (Kensington lock slot)
Additional Monitor Features Color Augmentation mode; Color Temperature Selection (4 modes); Frameless Design; QuickFit; Trace Free Technology
Certifications, Standards & Licenses 4
Specification Value
Energy Star Yes
TCO Certified Yes
TÜV Flicker-Free Yes
TÜV Low Blue Light Yes
Included Accessories 1
Specification Value
HDMI Cable HDMI cable (optional)
Packaging Information 5
Specification Value
Package Dimensions 555 mm x 390 mm x 130 mm (W x H x D)
Package Width 555 mm (21.85 in)
Package Height 390 mm (15.35 in)
Package Depth 130 mm (5.12 in)
Package Weight 3.8 kg (8.38 lbs)
⚡

Estimated Running Cost

Based on this product's rated power draw, not an independent lab measurement — actual usage varies with settings and content.

Daily—
Monthly—
Annually—

Uses about 0% less power than the average we track in this category.

Reviews

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DISPLAYINPUT · INDEPENDENT · SPEC-BASED · NO SPONSORED PLACEMENT SHEET № C2221HF