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Dell 24 Monitor: P2421D

Better views. Better productivity.

See more and do more with a 23.8” QHD monitor that expands your workspace and gives you a better view of all of your important tasks.
P2421D Monitor
  • Diagonal Viewing Size:
    604.5 mm
    23.8 inches

    Preset Display Area (H x V)
    526.85 mm x 296.35 mm
    20.75" x 11.67"
    156,132 mm2 (242.16 inches2)

    Panel Type:
    In-Plane switching Technology

    Display Screen Coating
    Antiglare with 3H hardness, 25% Haze

    Maximum Preset  Resolution
    2560x1440 at 60Hz

    Border Width (Edge of Monitor active area)
    5.4 mm (Top)
    5.5 mm (Left/Right)
    20.3 mm (Bottom)

    Viewing Angle
    178° (vertical) typical
    178° (horizontal) typical

    Pixel Pitch
    0.2058 mm x 0.2058 mm

    Pixel Per Inch (PPI)

    Contrast Ratio
    1000: 1 (typical)

    Aspect Ratio

    Backlight Technology
    LED edgelight system

    300 cd/m2 (typical)

    Response Time
    8 ms (normal) ; 5 ms (Fast) - (gray to gray)

    Audio Output

    Built-in Devices
    1 x USB 3.0 upstream
    2 x USB 3.0 port - Side
    2 x USB 2.0 port - Bottom

    G-SYNC Suupport

    Height-adjustable stand (130mm),
    Tilt  (-5° to 21°)
    Swivel (-45° to 45°)
    Pivot  (-90° to 90°)

    PbP / PiP
    PbP (No)
    PiP (No)

    Daisy Chain Availability

    Dell Display Manager Compatibility
  • Connectivity
    1 x HDMI 1.4
    1 x DP 1.2

    Remote Asset Management
    Yes, via Dell Command |Monitor

    Flat Panel Mount Interface
    VESA (100 mm)
  • Security
    Security lock slot (cable lock sold separately)
Dimensions & Weight
  • Height with stand  (Compressed ~ Extended)
    356.1 mm ~ 486.1 mm
    14.02" ~19.14"

    537.8 mm

    166.0 mm

    Height without  stand 
    322.1 mm

    Width without  stand
    537.8 mm

    Depth without  stand 

    Weight (panel only - for VESA mount)
    3.37 kg
    7.43 lb

    Weight (with packaging)
    7.29 kg
    16.07 lb
  • Voltage Required
    100 to 240 VAC / 50 or 60 Hz ± 3Hz / 1.6 A (typical)

    Power Consumption (Operational)
    25W (typical) / 55W (maximum)*

    Power Consumption Stand by / Sleep
    Less than 0.3W
  • Temperature Range
    Operating: 0° to 40°C (32° to 104°F)
    Non-operating: -20° to 60° (-4° to 140° F)

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

    Operating: 5,000 m (16,400 ft) max
    Non-Operating: 12,192 m (40,000 ft) max
  • Color Support
    Color Gamut (typical): 99% sRGB
    Color Depth: 16.7 Million colors, 8 Bit(6 Bit + A-FRC)
  • Compliant Standards
    ENERGY STAR certified monitor
    EPEAT registered where applicable. EPEAT registration varies by country. See (in English) for registration status by country.
    TCO Certified
    BFR/PVC free monitor (excluding external cables)
    Meets NFPA 99 leakage current requirements.
    Arsenic-free glass and Mercury-free for the panel only
    Energy Gauge shows the energy level being consumed by the monitor in real

    What's Included
    Monitor with stand
    Power cable
    1x DP Cable (DP to DP)
    1 x USB 3.0 upstream cable (enables the USB port on the monitor)
    Quick Setup Guide
    Safety and Regulatory Information

    Product Safety, EMC and Environmental Datasheets (in English)
    Dell Regulatory Compliance Home Page (in English)
    Dell and the Environment (in English)

Features & Design

See more so you can do even more
See more so you can do even more
Expand your productivity workspace: This vast 23.8” diagonal screen with QHD 2560 X 1440 resolution delivers more onscreen real estate than FHD.

High energy efficiency with clearer, crisper images: With a higher PPI than FHD, this energy efficient monitor produces sharper, clearer details.

Experience seamless views: Work with an uninterrupted view across multiple screens. And, when you use two monitors together, you can increase your productivity by up to 21%*.
Optimize and Organize with Dell Display Manager
Optimize and Organize with Dell Display Manager
Productive at every level: Easy Arrange allows you to easily tile multiple applications across one or more screens with 38 pre-set window partitions and the ability to personalize up to five windows, giving you improved multitasking abilities.

Seamless transitions: The auto-restore feature remembers where you left off, so applications will go back to where you left them, even after you’ve unplugged.

More ways to manage: Asset management reports allow IT managers to quickly capture and track monitor information as well as configure multiple monitors at once through a single setup.

The key to convenience: Shortcut keys can save you time, allowing quick access to commonly used controls that let you work faster.

Download Dell Display Manager
The features to support productivity
The features to support productivity
Flexibility for all day comfort: With the ability to tilt, swivel, pivot and adjust the height of your monitor to fit your needs, you can stay comfortable all day.

More screen. Less desk space: The small base takes up less space helping tidy up your desk.

Easy on the eyes: Optimize eye comfort with flicker-free technology and ComfortView, a feature that reduces up to 60% of harmful blue light emissions*.

Enjoy the view: Experience virtually seamless views with consistent colors across a wide 178°/178° viewing angle with In-Plane Switching (IPS) technology.

Customizable comfort: Tailor your workspace to your specific needs with VESA-compatible mounts and stands*. Simply snap your monitor into place using the Quick Release slots behind the monitor panel for quick and easy installation.
Green thinking for today and tomorrow
Green thinking for today and tomorrow
Environmental standards: These monitors meet the latest regulatory and environmental standards such as ENERGY STAR®, RoHS Compliant, TCO Certified.

Eco-conscious packaging: To reduce our impact on the environment, we promote responsible disposal of our packaging through recycling. What's more, the paper based material in most monitor packaging is made of at least 75% recycled cardboard and as of 2016, is free of Styrofoam*.

Energy conservation: Save energy when your monitor’s not in use with PowerNap*, a feature that dims or puts your monitor to sleep when it’s not in use.

Recycled plastics: We reduce our environmental impact with over 75% of our select monitors containing at least 25% post-consumer recycled plastics through Dell’s closed loop recycling program.*
Connectivity Options
Connectivity Options
Ports & Slots: 
1. Power connector | 2. Security-lock slot | 3. Stand lock feature | 4. HDMI 1.4 port | 5. DisplayPort 1.2 | 6. USB 3.0 upstream port | 7. USB 2.0 downstream ports (x2 – rear) | 8. USB 3.0 downstream ports (x2 – side)

Cables Included:
1. Power cable | 2. DP cable (DP to DP) | 3. USB 3.0 upstream 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
Dell monitors are #1 worldwide for six consecutive years six consecutive years (2013 to 2019)* . We take pride in our unyielding commitment to quality and the utmost satisfaction of our customers.
Premium Monitor Exchange
Premium Monitor Exchange
The Dell Premium Monitor Exchange allows a free panel replacement during the Limited Hardware Warranty* period even if only one bright pixel is found.
Advanced Exchange Service
Advanced Exchange Service
Your monitor comes with a 3-year Advanced Exchange Service* so that if a replacement becomes necessary, it will be shipped to you the next business day during your 3-year Limited Hardware Warranty.*
Reliable and responsible
Designed with the environment in mind, this Energy Star 8.0 compliant monitor meets the latest regulatory and environmental standards such as RoHS compliance, China Energy Label (CEL), WEEE, ErP (EuP) Standards, and Korea E-Standby.
Complete your experience with accessories designed to make the most of your Dell Monitor.
Dell Single Monitor Arm I MSA20
Conveniently attach your monitor and system* on the arm (virtually tool-free) and change the swivel angle with the click of a button. The arm offers great viewing flexibility on a small footprint, and its advanced cable management features keep your desk neat and clutter-free.
Dell Pro Stereo Soundbar | AE515M
Optimize conference calls and multimedia streaming with exceptional audio clarity. Minimize background noise with the dual mic array and echo-cancelling feature.
KM7321W Premier Multi-Device Wireless Keyboard and Mouse-Win 11
Dell Premier Multi-Device Wireless Keyboard and Mouse – KM7321W
Multi-task seamlessly across 3 devices with this premium full-sized keyboard and sculpted mouse combo with programmable shortcuts and 36 months battery life*.

Accessories & Services


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