Alienware 240Hz Gaming Monitor 24.5 Inch Full HD with IPS Technology, Dark Gray - Dark Side of the Moon - AW2521HF

Dell

Dell Alienware 240Hz Gaming Monitor 24.5 Inch Full HD with IPS Technology (AW2521HF)

Name: Alienware 240Hz Gaming Monitor 24.5 Inch Full HD with IPS Technology, Dark Gray - Dark Side of the Moon - AW2521HF
Brand: Dell
SKU: B087N4LQPN

Status: Alienware 240Hz Gaming Monitor 24.5 Inch Full HD… (24.5 inch 1080p monitor): Unavailable on Amazon as of 2026-10-20 22:13 UTC. Closest in-stock match (same 24.5" 1080p monitor): Alienware Gaming Monitor AW2523HF 24.5'' IPS LED…, $345.00 on Amazon as of 2026-10-21 04:25 UTC (price may vary). eBay sellers may still list this model new or used.

View Current Price — $345.00 🛒 Search eBay for this model

Bottom line: The Alienware 240Hz Gaming Monitor 24.5 Inch Full HD with IPS Technology: 240Hz refresh rate keeps fast-moving targets clear in competitive shooters; main trade-off: full HD on a 24.5-inch screen looks softer than 1440p for text and desktop work.

Unavailable on Amazon as of 2026-10-20 22:13 UTC

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Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives with matching specs:

Same 24.5" 1080p monitor: Alienware Gaming Monitor AW2523HF 24.5'' IPS LED… — $345.00 on Amazon as of 2026-10-21 04:25 UTC (price may vary).

View Current Price — $345.00

Same 24.5" 1080p monitor: Z-Edge 24.5 inch 240Hz 165Hz 144Hz Gaming Monitor — $109.99 on Amazon as of 2026-10-20 18:15 UTC (price may vary).

View Current Price — $109.99

Same 24.5" 1080p monitor: New! Sceptre Curved 24.5-inch Gaming Monitor up… — $115.97 on Amazon as of 2026-10-20 22:26 UTC (price may vary).

View Current Price — $115.97

Original listing (currently unavailable) → Compare to similar gaming monitors

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-20

Mike Perry — Hardware researcher since 2014. For gaming and productivity monitors, synthesises manufacturer specs against measured monitor reviews (RTINGS, Monitors Unboxed) rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. About the author → How we check display specs →

Pros & Cons

Pros

✓ 240Hz refresh rate keeps fast-moving targets clear in competitive shooters
✓ 1ms GtG response time minimizes motion blur during quick camera turns
✓ Fast IPS panel with up to 99% sRGB coverage for vivid, accurate color
✓ FreeSync Premium and G-SYNC Compatible for tear-free play on AMD or NVIDIA
✓ Top, bottom and rear venting keeps the monitor cool through long sessions

Cons

✗ Full HD on a 24.5-inch screen looks softer than 1440p for text and desktop work
✗ Needs a strong GPU to push 240 fps in demanding modern games
✗ Color spec covers sRGB only; no DCI-P3 or wide-gamut figure listed
✗ No HDR support listed in the product specs

Manufacturer description

The Dell Alienware AW2521HF is a 24.5-inch Full HD gaming monitor built for speed. Its 240Hz refresh rate draws up to 240 frames per second, so fast-moving targets stay easy to read and you can react sooner in competitive shooters and esports titles. A 1ms gray-to-gray response time keeps motion smooth and cuts blur during quick flicks and strafes. The panel uses fast IPS technology, so you get speed and color from the same screen. The image stays clear from wide viewing angles, and up to 99% sRGB color coverage gives game worlds rich, accurate tones. AMD FreeSync Premium and NVIDIA G-SYNC…

SpecPicks Verdict

SpecPicks scored Alienware 240Hz Gaming Monitor 24.5 Inch Full HD with IPS Technology using a rating × review-volume × price-fit model applied to published specs and reviews across the gaming monitors category. Dell's gaming monitors lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for gaming monitors of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

What refresh rate and response time does the Alienware AW2521HF have?

The AW2521HF runs at a 240Hz refresh rate with a 1ms gray-to-gray (GtG) response time, aimed at fast competitive games where motion clarity matters.

Does the AW2521HF work with G-SYNC on an NVIDIA graphics card?

Yes. It is NVIDIA G-SYNC Compatible and also supports AMD FreeSync Premium, so adaptive sync works with both GeForce and Radeon GPUs to prevent screen tearing.

What is the screen size and resolution?

It is a 24.5-inch Full HD (1080p) display. That resolution makes it easier for a graphics card to reach high frame rates that use the full 240Hz.

Is the AW2521HF good for color accuracy, or is it only fast?

It uses fast IPS technology with up to 99% sRGB color coverage, so you get wide viewing angles and vivid color along with its 240Hz speed. No wide-gamut (DCI-P3) figure is listed.

What warranty comes with the Alienware AW2521HF?

Warranty terms are not included in this listing. Check the Dell product listing or the seller page for current warranty coverage before you buy.

Key Features

LIGHTENING FAST: An incredibly fast 240Hz refresh rate allows for fast-moving visuals to be seen with outstanding clarity so you can react quicker to in-game situations
ACCELERATE YOUR REACTIONS: A 1ms GtG (Gray to Gray) response time allows for consistently smooth performance during intense, high-speed gameplay and eliminates motion blur
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
EMPHASIZE EVERY DETAIL: AMD FreeSync Premium and NVIDIA G-SYNC Compatible technology synchronizes the graphics and gaming monitor, so you get epic, tear-free images that don't slow down your gameplay
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 your gaming monitor cool during the most intense of battles

Full Specifications

Size	12.9"x21.9"x2.9"
Brand	Dell
Color	Dark Grey- Dark Side of the Moon
Model	AW2521HF
Warranty	Information Not Available
UnitCount	1
ReleaseDate	2023-01-25T00:00:01Z
Manufacturer	Alienware
IsAdultProduct	false
ItemPartNumber	AW2521HF
Full listing title	Alienware 240Hz Gaming Monitor 24.5 Inch Full HD with IPS Technology, Dark Gray - Dark Side of the Moon - AW2521HF

Ready to buy?

Amazon shows no buyable offer for Alienware 240Hz Gaming Monitor 24.5 Inch Full HD… at the last check. The closest in-stock match with the same 24.5" 1080p monitor is Alienware Gaming Monitor AW2523HF 24.5'' IPS LED…. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Current Price — $345.00