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DELL S2421HN 23.8″ MONITOR  

Designed to fit one lifestyle: yours

Designed to fit one lifestyle: yours

Beautiful look: Modern, elegant design with a subtle textured pattern at the back of the monitor has its own unique look. It brings the feeling of a harmonious blend of great style and quality into every living space.

Seamless switching: Built-in dual HDMI ports keep your devices always plugged in and let you effortlessly switch between streaming and console gaming.

Keep everything in order: Stay organized between applications, emails and windows on one screen using Dell EasyArrange.

Experience it all

Experience it all

Clear views with less distraction: The three-sided ultrathin bezel design lets you enjoy superb screen clarity in 1920 x 1080 Full HD resolution on a 23.8″ monitor.

Consistent colors: Get virtually seamless views with consistent color across a wide 178°/178° viewing angle with In-Plane Switching (IPS) technology.

Leisure gaming: Smooth, tear-free experience with AMD FreeSync™ technology, featuring up to 75Hz refresh rate.

Easy on the eyes: This TÜV-certified monitor has a flicker-free screen with ComfortView, a feature that reduces harmful blue light emissions. It’s designed to optimize eye comfort even over extended viewing – like your next movie marathon.

Connectivity Options

Connectivity Options

Ports & Slots
1. Security-lock slot | 2. Power connector | 3. HDMI 1.4 ports | 4. Audio line-out port

Cables Included
1. Power Cable | 2. HDMI Cable

Peace of mind, guaranteed

Our products are engineered with care and precision, so we guarantee support and peace of mind.
A brand you can rely on

A brand you can rely on

As the World’s number 1 monitor company1, we take pride in our unyielding commitment to quality and the utmost satisfaction of our customers.
Premium Panel Exchange

Premium Panel Exchange

Dell Premium Panel Exchange allows a free panel replacement during the Limited Hardware Warranty2 period even if only one bright pixel is found.
Advanced Exchange Service

Advanced Exchange Service

Your monitor comes with a 1-year Advanced Exchange Service3 so that if a replacement becomes necessary, it will be shipped to you the next business day during your 1-year Limited Hardware Warranty


  • Diagonal Viewing Size:
    60.45 cm
    23.8 Inches

    Preset Display Area (H x V)
    Width (active area): 527.04mm (20.75 inches)
    Height (active area): 296.46 mm (11.67 inches)
    156246.28 mm2 (242.15 inches2)

    Panel Type:
    In-Plane Switching (IPS)

    Display Screen Coating
    Antiglare with 3H hardness

    Maximum Preset Resolution
    1920 x 1080 at 75 Hz

    Viewing Angle
    (178° vertical / 178° horizontal)

    Pixel Pitch
    0.2745 x 0.2745 mm

    Pixel Per Inch (PPI)

    Contrast Ratio
    1000: 1 (Typical)

    Aspect Ratio

    Backlight Technology

    250 cd/m2 (typical)

    Response Time (typical)
    4 ms gray to gray in Extreme mode

    Audio Output

    AMD Free-Sync™
    Supports AMD FreeSyncTM with refresh rate of 75Hz

    Dell Display Manager Compatibility
    Yes with Easy Arrange

    Low Blue Light
    Yes, ComfortView


    Specifications – Service / Support Details
    WW – 3-Year Advanced Exchange Service and Premium Panel Exchange, US/Canada – 1-Year Advanced Exchange Service and Premium Panel Exchange

    Built-in Devices


  • 2 x HDMI ports (ver 1.4)
    1 x Audio line-out port

Dimensions & Weight

  • Border width (edge of monitor to active area)
    5.40 mm (Top/Left/Right)
    20.70 mm (Bottom) 

    Height with stand (Compressed ~ Extended)
    16.25 inches

    537.8 mm
    21.17 inches

    152.8 mm
    6.02 inches

    Height without stand
    322.6 mm
    12.70 inches

    Width without stand
    537.8 mm
    21.17 inches

    Depth without stand
    2.12 inches

    Weight (panel only – for VESA mount)
    3.3 kg (7.28 lb)

    Weight (with packaging)
    5.09 kg (13.00 lb)


  • Voltage Required
    100 to 240 VAC / 50 or 60 Hz ± 3Hz / 1.5 A (typical)

    Power Consumption (Operational)
    16W (typical) /21W (maximum)

    Power Consumption Stand by / Sleep
    Less than 0.3W


  • Temperature Range
    Operating: 0°C to 40°C (32°F to 104°F)
    Storage: -20°C to 60°C (-4°F to 140°F)
    Shipping: -20°C to 60°C (-4°F to 140°F)

    Humidity Range
    Operating: 10% to 80% (non-condensing)
    Non-Operating:5% to 90% (non-condensing)

    Operating: 5,000 m (16,404 ft) max
    Non-Operating: 12,192 m (40,000 ft) max


  • Adjustability
    Tilt (-5° to 21°)
    Built in cable-management

    Color Support
    Color Gamut (typical):
    72% NTSC (CIE 1931)
    Color Depth:
    16.7 Million colors

    Flat Panel Mount Interface
    VESA (100 mm x 100 mm)


  • What’s Included
    Stand riser and base
    Power cable
    1 x HDMI cable
    VESA cover
    Quick setup guide
    Safety, Environmental, and
    Regulatory Information

    Compliant Standards
    ENERGY STAR certified monitor
    TCO certified displays
    BFR/PVC-reduced monitor (excluding external cables)
    Arsenic-free glass and Mercury-free for the panel only