Dell S2721QS Review

True Score





Product Awards

GR Certified

Customer Favorite

Expert Rankings

The Dell S2721QS is a splendid monitor that’s got wide viewing angles, a native 4K resolution, and 100% sRGB coverage. However, the low contrast ratio and the 60 Hz refresh rate slightly hold it back.

SAVE $70

We’re reader-supported. Commissions finance our mission. Our ‘True Score‘ system independently powers ratings. Learn more

Product Snapshot


The Dell S2721QS is an entry-level 4K monitor released in September 2020. It boasts a native UHD (3840 x 2160) IPS screen that promises to deliver better viewing angles and response time compared to competing monitors with VA and TN panels, like the older Dell S2719DGF gaming monitor. In addition, it claims to feature a low response time, which both casual and veteran gamers will love. Furthermore, it touts an elegant design that fits most setups well. All in all, it is decently well-positioned for casual gamers looking for a high-resolution office monitor with a few advanced gaming features built-in. To discover what experts had to say about it, keep reading our Dell S2721QS review until the end. And don’t forget to take a look at the top-ranked computer monitors available in the market.

Best For

  • Business

  • Coding


our Verdict

The Dell S2721QS is a great 4K monitor for both work and play. It has wide viewing angles, a native 4K resolution, 100% sRGB coverage, and HDR playback capability. Plus, its 10-bit panel produces great picture quality. The only downsides are its low contrast ratio and 60 Hz refresh rate.

ReasonS to Buy

  • UHD 3840 x 2160 resolution
  • Wide viewing angle
  • Decent peak brightness
  • Supports HDR content playback
  • Excellent color accuracy after calibration
  • 100% coverage of the sRGB color space
  • 10-bit IPS panel with fantastic picture quality
  • AMD FreeSync support with NVIDIA G-Sync compatibility
  • VRR support for providing a tear-free experience

Reason to Avoid

  • Low contrast ratio
  • Mediocre black levels
  • No local dimming
  • No HDMI 2.1 or DisplayPort 1.4
  • Limited to 60Hz refresh rate
  • Lacks USB ports
  • BFI feature is missing
  • Visible backlight bleed on the top and bottom edges

Dell S2721QS Specs

Available InputsAvailable Inputs3.5mm, DisplayPort, HDMI
Bluelight FilterBluelight FilterYes
Built-In SpeakersBuilt-In SpeakersYes
Built-In WebcamBuilt-In WebcamNo
Curved ScreenCurved ScreenNo
Display TypeIPS
Flicker FreeFlicker FreeYes
HDMI Inputs2
HDR FormatHDR10
High Dynamic Range (HDR)Yes
Max Resolution3840 x 2160 (4k)
Panel TypePanel TypeIPS
Refresh Rate60 Hz
Response TimeResponse Time4 ms
Rotating ScreenRotating ScreenYes
Screen size27"
Sync TechnologySync TechnologyAMD FreeSync, G-Sync

All Specs

Test Results

Brightness (nits)384.99
Contrast Ratio (as ratio, x:1)1,037.3333
Color Gamut/Accuracy % (DCI P3 xy)83.6
Color Gamut/Accuracy % (DCI P3 uv)0
Color Gamut % (Adobe RGB Coverage xy)77.85
Color Gamut % (sRGB Coverage xy)100
Color Gamut % (Rec. 2020 Coverage xy)61.1
Color Gamut % (Rec. 709 Coverage xy)0
Input Lag (ms)8.7
Response Time (ms)8.7
Reflections % (Total Reflections)4.5
Horizontal Viewing Angle (Washout Left)40
Horizontal Viewing Angle (Washout Right)44
Vertical Viewing Angle (Washout Above)37
Vertical Viewing Angle (Washout Below)35

All Tests

Get the Winner of the Day Direct to Your Inbox

Join 1+ million monthly users and become an instant expert with our daily download of reviews, tips and guides.

Trusted By

All Stores

Updated every 24 hours

  • Save $70


    In Stock

    Free Shipping

  • Save $164


    In Stock

    Free Shipping


Score Card


Expert Score



We place a 75% weighted value on Expert Test Scores


Customer Score



We place a 25% weighted value on Customer Scores

True Score


Any product with a True Score above 70 is a Mixed Reviews

Expert Scores

  • Rtings

    Category Trust Rating

    The Dell S2721QS 4K monitor brings IPS-level colors and some handy features, like a versatile… Read More


    Scharon Harding
  • Tom’s Hardware

    Category Trust Rating

    The Dell S2721QS is an inexpensive 27″ 4K IPS monitor with the standard sRGB color… Read More


    Samuel Breton
  • Digital Trends

    Category Trust Rating

    Dell’s 27-inch USB-C monitor is a great buy at about $400 — but what if… Read More


    Rob Shafer
  • Display Ninja

    Category Trust Rating

    The Dell S2721QS is a great monitor overall. It has a large screen with a… Read More


    Niels Broekhuijsen

Customer Scores

Learn More About Computer Monitors

Computer Monitor Reviews