1920 x 1080 at 360Hz (Native with DP)
1920 x 1080 at 240Hz (Native with HDMI)
1 x DisplayPort cable - DisplayPort to DisplayPort...See more
2 x HDMI...See more
The secret to victory is staying one step ahead of the competition and now you can. The Alienware 25 Gaming Monitor possesses the world's fastest refresh rate at 360Hz i. Gameplay is now fully optimized to enable split-second reactions and with a refresh rate this fast, you can count on a no-scope headshot before the enemy even knows you're there.
Never let unforeseen glitches cost you a mission again with the power of NVIDIA® Reflex Latency Analyzer that captures end-to-end response times from click to action. Plug your mouse into the latency port on the Alienware 25 Gaming Monitor and get precise measurement from the Analyzer on how quickly the display updates after your mouse click. Now you can game with confidence with gear that let you level up your response time, get pin-point accuracy, and blast the competition.
Smooth gameplay: This NVIDIA® G-SYNC® certification enables a smooth, tear-free gaming experiencei. With stunning image quality, brilliant performance and exceptional responsiveness, it will change the way you look at gaming.
1ms GtG response. No gimmicks: A true 1ms GtG response time blasts away ghosting and blurring for clear images with no artificial tricks needed. This enables you to keep an eye on your opponents whether they're lurking nearby or planning an ambush.
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 fingertips.
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.
The esports community is expected to see incredible growth globally and this inspires us to continuously raise the bar for professional-grade hardware.i This is why we collaborate with Team Liquid and engage with gamers across various platforms to collect valuable feedback and incorporate it into our product development with leading-edge technologies—giving pro players a winning edge solution.
Play it your way: Feedback from professional gamers inspired our new stand design with tapered legs and height markers. You can now play your way by angling your keyboard and adjusting your monitor to the perfect height. Plus with easy-to-use, one-click VESA mounting, your ideal gaming setup is within your reach.
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 in the most hardcore gaming situations.
Keep your battle station sleek: The renowned Alienware Legend industrial design received a 2020 Product Design Award from iF World Design for optimizing the entire gaming experience with its iconic style and extremely high levels of performance. In return to form, this design takes on a newer, bolder, and sculpted expression of the iconic Alienware roots.
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 action and full RGB values.
Your game. Your way: Equipped with a gaming On-Screen Display, you can choose between several gaming-centric options, tools, and customizable presets.
1. Power | 2. HDMI 2.0 Port | 3. HDMI 2.0 Port | 4. DisplayPort 1.4 | 5. SuperSpeed USB 3.2 Gen1 (5Gbps) Downstream Port with NVIDIA Reflex Latency Analyzer | 6. Headphone Out Jack | 7. SuperSpeed USB 3.2 Gen1 (5Gbps) Downstream Port with BC1.2 charging capability at 2A (max) | 8. SuperSpeed USB 3.2 Gen1 (5Gbps) upstream port (rear) | 9. SuperSpeed USB 3.2 Gen1 (5Gbps) Downstream Port (rear) (x2) | 10. Audio Line-Out Jack
1. Power Cable | 2. DisplayPort (DP to DP) Cable | 3. Mini-DisplayPort to DisplayPort (mDP to DP) Cable | 4. USB 3.2 Gen 1 (5 Gbps) Upstream Cable
1. Height: 16.58" ~ 20.71" (421.2mm ~ 526.1mm) | 2. Width: 21.9" (556.3mm) | 3. Depth: 9.92" (251.9mm) | Weight (without stand - for VESA mount): 9.96lb (4.52kg)i
Complete your experience with accessories designed to make the most of your Alienware Monitor.
A reengineered gaming desktop with 10th gen Intel® Core™ processors, liquid-cooled GPU and 1000W power supply.
Dual mode wired and wireless gaming mouse with rechargeable lithium ion battery & seven programmable buttons for performance that takes no prisoners.
Intelligently designed to deliver exceptional performance, value and essential gaming functionality in a compact design.
Hear every sound in your games on the Alienware 7.1 Gaming Headset, showcasing 7.1 surround sound with Alienware Immersive Audio technology.
The Alienware Extra Large Gaming Mouse Mat is designed with enough space for both your keyboard and mouse.
Take no prisoners with the ultimate keyboard, stereo gaming headset and full-sized wireless gaming mouse. They deliver exceptional performance, value and essential gaming functionality in compact designs.
The Dell Premium Panel Guarantee allows a free panel replacement during the Limited Hardware Warrantyi period even if only bright pixel is found.
CES® Innovation Awards are granted to products based upon materials submitted by the honorees.
CTA neither verifies the accuracy of any submissions nor tests any products.
"The Dell Alienware AW2521H is an ultra-fast IPS gaming monitor designed for the seasoned E-Sports veteran who doesn’t compromise when it comes to performance." — Monitor Nerds
"The Dell Alienware AW2521H is an excellent gaming monitor." — RTINGS (12/04/21)
2020 IF Product Design Award
"The Alienware AW2521H delivers something almost no other monitor can: 360 Hz with a 3 ms screen draw time." — Tom's Hardware
From drivers and manuals to diagnostic tools and replacement parts, Dell Product Support has you covered!
Add the products you would like to compare, and quickly determine which is best for your needs.