Corsair

Corsair RDD0023 XENEON 27" QHD 240Hz OLED Gaming Monitor

Name: Corsair RDD0023 XENEON 27" QHD 240Hz OLED Gaming Monitor
Brand: Corsair
SKU: RDD0023

★★★★★4.2 (324 reviews)

QHD2560 x 1440HDR

A 27-inch QHD OLED gaming monitor with a 240Hz refresh rate and 0.03ms response time for ultra-smooth competitive play.

$999.99*

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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Corsair XENEON 27QHD240 is built around a 27-inch OLED panel running at 2560x1440 resolution with a 240Hz refresh rate — a combination that balances sharp detail with the high frame rates competitive gaming demands. OLED technology gives this monitor perfect blacks and an essentially infinite contrast ratio, meaning dark scenes in games and movies retain detail without the grayish haze common on IPS and VA panels. The 0.03ms gray-to-gray response time is among the fastest available on any monitor, virtually eliminating ghosting and motion blur during rapid camera movements or fast-paced shooters.

Connectivity is comprehensive. Two HDMI 2.1 ports support current-generation consoles at their maximum output, while DisplayPort 1.4 handles high-refresh-rate PC gaming. The USB-C 3.1 port adds single-cable convenience for laptop users. Both NVIDIA G-SYNC compatibility and AMD FreeSync Premium certification ensure tear-free gameplay regardless of your GPU brand. For gamers and visual professionals who prioritize image quality and responsiveness above all else, the XENEON 27QHD240 delivers a viewing experience that flat-panel LCD monitors simply cannot replicate.

Key Features

OLED Panel - The premium OLED technology, developed by the OLED experts at LG Display, enables you to set the display with great performance and quality, at a best balance between work and entertainment

Ultra-Slim 27-Inch QHD Screen- A 27-Inch 2560 x 1440 display (110PPI) delivers a gorgeous 16:9 cinematic aspect ratio with an ultra-thin micro-bezel

Increase Brightness by 33% and up to 200nit Full Screen with the v103 Firmware Driver Update found on the Corsair Webpage's Download Tab, updates are .zip files including installation instructions

Up to 240Hz Refresh Rate with 0.1ms GtG Response Time- Experience a new class of high-refresh rate performance, with 240Hz refresh rate and a phenomenal 0.03ms GtG response time made possible by LG OLED technology

Motion Blur Canceling- The latest OLED technology effectively eliminates motion blur for a new level of realism during fast-moving scenes and gameplay, while NVIDIA G-SYNC compatibility and AMD FreeSync Premium certification ensures silky-smooth images

OLED Self Lit Pixels for Stunning HDR and Contrast- Every OLED pixel is self-lit, so you’ll see the tiniest spark in the darkest void with absolute precision and clarity. HDR with up to 1,000 nit brightness and 98.5% DCI-P3 color gamut

Specifications

Brand

Corsair

Model

RDD0023 (XENEON 27QHD240)

Screen Size

27 Inches

Resolution

2560 x 1440 (QHD)

Refresh Rate

240Hz

Response Time

0.03ms GtG

Panel Type

OLED

G-SYNC Compatible

Yes

AMD FreeSync Premium

Yes

Ports

HDMI 2.1 x2, DisplayPort 1.4, USB-C 3.1

Pros & Cons

👍 Pros

0.03ms response time virtually eliminates motion blur and ghosting in fast-paced games
OLED panel delivers true blacks and exceptional contrast that IPS and VA panels cannot match
240Hz refresh rate at QHD resolution hits the sweet spot between visual fidelity and competitive speed
Dual HDMI 2.1 ports allow simultaneous connections to a PC and a current-gen console

👎 Cons

OLED technology carries inherent risk of burn-in with prolonged static UI elements
QHD resolution may disappoint users who want 4K for non-gaming content work
Premium pricing places it well above comparable IPS 240Hz monitors
27-inch screen size may feel small for users accustomed to 32-inch ultrawide displays

Frequently Asked Questions

Does this monitor support both NVIDIA G-SYNC and AMD FreeSync?

Yes. The XENEON 27QHD240 is NVIDIA G-SYNC compatible and AMD FreeSync Premium certified, so it works with adaptive sync on both NVIDIA and AMD graphics cards.

What ports are available for connecting devices?

The monitor includes two HDMI 2.1 ports, one DisplayPort 1.4, and one USB-C 3.1 port, giving you flexible connectivity for PCs, consoles, and laptops.

Is OLED burn-in a concern with this monitor during extended gaming sessions?

OLED panels can be susceptible to image retention with prolonged static content. Corsair includes pixel-shift and screen-saver features to mitigate this, but varying your content and avoiding static HUD elements for very long periods is still advisable.

Can this monitor display HDR content?

Yes. The OLED panel delivers the deep blacks and wide color gamut needed for HDR, and the 240Hz refresh rate ensures HDR gaming stays smooth at high frame rates.

Does the USB-C port support video input from a laptop?

Yes. The USB-C 3.1 port can accept a video signal, making it convenient for connecting compatible laptops with a single cable.