24.5” monitor with a 240Hz refresh rate, a true 1ms GtG fast IPS response time and intense color coverage from every angle for seamless gaming.
Accelerate your reactions
Lightning-fast: Experience the best available in IPS Technology with native refresh rates of up to 240Hz.
1ms response. No gimmicks: A true 1ms response time blasts away ghosting and blurs for clear images with no artificial tricks needed.
The ultimate color coverage
True colors, real speed: New, fast IPS technology helps maintain image clarity from every angle of the screen. Plus, with up to 99% sRGB color coverage, you have a wide array of colors in your arsenal.
Best of both worlds: A 24.5” monitor combined with native FHD 1080p resolution provides the best pixel-per-inch ratio, so details are clearer and images are life-like, making the 24.5” form factor the ideal size for high speed gaming.
Emphasize every detail
Experience a new level of clarity when in the heat of action. AMD FreeSync™ Premium" and NVIDIA© G-SYNC© Compatible technologyi synchronizes the graphics and monitor, so you get epic, tear-free images that don't slow down your gameplay.
Designed to prevail
Keep your battle station sleek: In a return to form, our Legend Industrial design is a new, bolder, sculpted, universal, minimal and iconic expression of the Alienware brand.
Play it your way: Incorporating feedback from professional gamers, the new stand with tapered legs allows you to turn your keyboard to any side angle so you can play the way you want it. And with the height adjustment marker, you can adjust your monitor to the perfect height as well. Plus, it's also optimized for the easy-to-use, one-click VESA mounting.
Stay cool under pressure: The unique cooling and venting design at the top, bottom and rear side of the monitor provides an optimized ventilation system, keeping the monitor cool during the most intense of battles.
Light it up: Personalize your gaming session with AlienFX—its fully customizable lighting system is engineered to bring you closer to the worlds you play in, with dynamic lighting effects tied directly to the in-game actioni and full RGB values.
Leaders in every world
We're leading the game, we're leading its evolution. Alienware is the official PC and display partner of the League of Legends World Championship. Are you ready to game on tournament-proven, professional grade hardware
Dynamic on-screen display
Stay in a gaming state of mind with a unique new gaming-centric menu with easy-to-use dashboard, plus customizable preset game modes, an FPS counter and guiding lines for a multi-screen setup.
Ports & Slots
1. Power cable connector | 2. USB upstream | 3. USB 3.0 Gen 1 (x2) | 4. VESA mount | 5. USB 3.0 Gen 1 with Power Charging | 6. Headphone jack | 7. USB 3.0 Gen 1 | 8. HDMI (x2) | 9. DisplayPort | 10. Audio Line-Out
Dimensions & Weight
1. Height: 16.58 inches ~ 20.71 inches (421.21mm ~ 526.08mm) | 2. Width: 21.9 inches (556.29mm) | 3. Depth: 9.92 inches (251.92mm) | Weight (without stand - for VESA mount): 7.81lb (3.55kg)
LED edgelight system
USB 3.0 Hub
Fast In-Plane Switching Type
1920 x 1080 @ 240 Hz
400 cd/m² (typical)
1000 to 1 (typical)
1ms (gray to gray) - Extreme Mode
2 x HDMI (ver 2.0)
1 x DP 1.2
1 x USB 3.0 upstream port (Rear)
2 x USB 3.0 Downstream port (Rear)
2 x USB 3.0 Downstream port [Front Bottom, one with BC1.2 charging capability at 2A(max)]
1 x Headphone-out jack (Front Bottom)
1 x Audio Line-out jack( Rear)
Display Position Adjustments
Height adjustable stand (130 mm) and Height-markers
Tilt (-5° to 21°)
Swivel (-20° to 20°)
Pivot (-90° to 90°)
Built in cable-management
Anti-Glare with 3H hardness
Dimensions (WxDxH) - with stand
21.90 in x 9.92 in x 20.71 in ~ 16.58 in
Product Safety, EMC and Environmental Datasheets
Dell Regulatory Compliance Home Page
Dell and the Environment
Alienware 25 Gaming Monitor - AW2521HFL
0.2832 mm x 0.2802 mm