KOORUI 27 inch QD-OLED Gaming Monitor, 240Hz Monitor, 0.03ms, QHD 1440p AdaptiveSync, 99% DCI-P3, HDR True Black 400, Height/Pivot/Tilt/Swivel Adjustability, HDMI & DisplayPort VESA, Black, S2721XO
KOORUI

27 inch QD-OLED Gaming Monitor, 240Hz Monitor, 0.03ms, QHD 1440p AdaptiveSync, 99% DCI-P3, HDR True Black 400, Height/Pivot/Tilt/Swivel Adjustability, HDMI & DisplayPort VESA, Black, S2721XO

$599.98 ★★★★☆4.4(4,985 reviews)

*Price sourced from Amazon.com. Last updated 2026-05-21. Price and availability subject to change.

About this item Ultimate Speed & Clarity – 27" QHD OLED: Dominate the battlefield with the KOORUI S2721XO. The 2560x1440 QHD resolution combined with OLED technology delivers near-instant response times and lifelike visuals, giving you the competitive edge in every fast-paced match. True-to-Life Color – 99% DCI-P3: Enjoy cinematic color accuracy with 99% DCI-P3 wide color gamut coverage. Whether you're gaming, editing, or streaming, every shade pops with exceptional depth and realism. Smooth & Responsive – Built for Gamers: Designed with gamers in mind, this OLED monitor features an…

SpecPicks Verdict

SpecPicks classifies KOORUI 27 inch QD-OLED Gaming Monitor, 240Hz Monitor, 0.03ms, QHD… as a solid pick with broad community endorsement in the gaming monitors category, based on 4,985 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. KOORUI's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

  • ✓ Solid 4.4★ customer rating
  • ✓ Large, well-vetted feedback pool (4,985 reviews)
  • ✓ Backed by KOORUI's warranty and support channels
  • ✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

  • Ultimate Speed & Clarity – 27" QHD OLED Dominate the battlefield with the KOORUI S2721XO. The 2560x1440 QHD resolution combined with OLED technology delivers near-instant response times and lifelike visuals, giving you the competitive edge in every fast-paced match.
  • True-to-Life Color – 99% DCI-P3 Enjoy cinematic color accuracy with 99% DCI-P3 wide color gamut coverage. Whether you're gaming, editing, or streaming, every shade pops with exceptional depth and realism.
  • Smooth & Responsive – Built for Gamers Designed with gamers in mind, this OLED monitor features an ultra-fast response time for minimal input lag and ghosting. Perfect for fast-paced shooters, strategy games, and everything in between.
  • HDR400 Certified – Enhanced Contrast & Brightness VESA DisplayHDR400 certification ensures high dynamic range with enhanced contrast, brightness, and more detailed visuals—even in dark scenes.
  • Ergonomic Stand – Fully Adjustable Comfort Game your way with a stand that tilts, swivels, pivots, and adjusts in height. Whether you're grinding out a long session or working from home, the S2721XO adapts to you.

Full Specifications

ASINB0FB9CSN8S
BrandKOORUI
ColorBlack
ShapeFlat
Brightness280 Candela per Square Meter
Model NameS2721XO
ResolutionQHD 1440P
Color Gamut99
Item Weight9.32 Kilograms
Screen Size27 Inches
Aspect Ratio169
Display TypeOLED
ManufacturerKOORUI
Model NumberS2721XO

Ready to buy?

KOORUI 27 inch QD-OLED Gaming Monitor, 240Hz Monitor, 0.03ms, QHD 1440p AdaptiveSync, 99% DCI-P3, HDR True Black 400, Height/Pivot/Tilt/Swivel Adjustability, HDMI & DisplayPort VESA, Black, S2721XO is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Check price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-05-21. Price and availability subject to change.

Related Gaming Monitors

KOORUI 27 inch QD-OLED Gaming Monitor, 240Hz Monitor, 0.03ms, QHD 1440p AdaptiveSync, 99% DCI-P3, HDR True Black 400, Height/Pivot/Tilt/Swivel Adjustability, HDMI & DisplayPort VESA, Black, S2721XO
$599.98
4.4★ (4,985)
View on Amazon →