Asus ROG Strix OLED XG27ACDMS – 280Hz QD-OLED Gaming Monitor

About the ROG Strix OLED XG27ACDMS

The OLED model is ASUS's answer to competitive gamers who refuse to compromise between speed and visual quality. This 27-inch gaming monitor combines a 280Hz refresh rate with Quantum Dot OLED technology for a display that's fast enough for esports but stunning enough for single-player adventures. It's built for gamers who want their Valorant matches buttery smooth and their Cyberpunk 2077 sessions jaw-droppingly beautiful.

What This ROG Strix OLED XG27ACDMS Does for You

You get 280Hz at 1440p resolution, which is the best monitor for gaming if you play competitive shooters. That 0.03ms gray-to-gray response time eliminates motion blur completely, no ghosting when you flick your crosshair. The QD-OLED panel delivers infinite contrast ratio and 99% DCI-P3 color coverage without the washed-out blacks of IPS panels. HDR10 support with 1,000 nits peak brightness makes explosions and muzzle flashes pop. This 27 inch monitor for competitive gaming fits perfectly on standard desks without requiring neck gymnastics.

Display Quality That Actually Matters

QD-OLED technology uses quantum dots for better color volume than W-OLED panels from LG. You get vibrant reds and blues without oversaturation. The infinite contrast means true blacks in dark scenes, no IPS glow ruining your immersion. ASUS includes AI features like Dynamic Shadow Boost to brighten dark areas without washing out the entire image. The 280 hz gaming monitor refresh rate beats most OLED competitors stuck at 240Hz, giving you extra frames for reaction time.

Perfect For

• Competitive FPS players (CS2, Valorant, Apex) who need every millisecond advantage and want gaming monitors with ultra-fast response
• Single-player enthusiasts who want OLED's cinematic quality for story-driven games like Baldur's Gate 3 or Alan Wake 2
• Content creators who need accurate colors for photo/video editing alongside gaming capabilities
• Gamers upgrading from budget IPS panels and ready to experience what OLED actually looks like

Why Buy from Mansa Computers

• 3-year Singapore warranty with ASUS service support (includes burn-in coverage)
• Fast WhatsApp inquiry response for compatibility questions
• Open 7 days a week for support
• Home delivery available

Technical Specifications Summary

Panel Type
QD-OLED (Quantum Dot OLED)

Resolution
2560 x 1440 (1440p)

Refresh Rate
280Hz

Response Time
0.03ms (GTG)

Screen Size
26.5 inches

Connectivity
DisplayPort 1.4, HDMI 2.1, USB-C (DP Alt Mode)

HDR Support
HDR10, 1,000 nits peak brightness

Warranty
3 years (includes burn-in coverage)

Ready to upgrade your gaming setup? The OLED model is in stock now with same-day shipping available. Questions about compatibility with your GPU or if 280Hz will work with your system? Just ask.

Model:
ROG Strix OLED XG27ACDMS

Panel Size (inch):
26.5

Aspect Ratio:
16:9

Panel Type:
QD-OLED

True Resolution:
2560 x 1440

Display Viewing Area (HxV):
590.42(H) x 333.72(V)

Display Surface:
Anti-Reflection

Pixel Pitch:
0.229mm

Brightness (Typ.):
250cd/㎡

Brightness (HDR, Peak):
1,000 cd/㎡

Contrast Ratio (Typ.):
1,500,000:1

Viewing Angle (CR≧10):
178°/ 178°

Response Time:
0.03ms(GTG)

Color Accuracy:
△E≦ 2

Display Colors:
1073.7M (10 bit)

Flicker free:
Yes

HDR (High Dynamic Range) Support:
HDR10

Refresh Rate (max):
280Hz

ASUS OLED Care:
Yes

GamePlus:
Yes

Game Visual:
Yes

VRR Technology:
Yes (Adaptive-Sync)

Extreme Low Motion Blur:
Yes

DisplayWidget:
DisplayWidget Center

Shadow Boost:
Yes

Aspect Control:
Yes

A.I. Assistant Technology:
AI Visual

A.I. Assistant Technology:
Dynamic Crosshair

A.I. Assistant Technology:
Dynamic Shadow Boost

I/O Ports:
DisplayPort 1.4 x 1 (HBR3)
HDMI (v2.1) x 1
USB-C x 1 (DP Alt Mode)

Earphone jack:
Yes

USB-C Power Delivery:
15W

Digital Signal Frequency:
HDMI:27~255 KHz/ 48-280Hz (V)
USB-C, DisplayPort: 465-465 KHz (H)/ 48-280Hz (V)

Power Consumption:
Power On: < 28 W** (Typ.)

Power Saving Mode:
Standby: < 0.5 W

Power Off Mode:
<0.3W

Voltage:
100-240V, 50/60Hz

1/4" Tripod Socket:
Yes

Tilt:
Yes (+20° ~ -5°)

Swivel:
Yes (+45° ~ -45°)

Pivot:
Yes (+90° ~ -90°)

Height Adjustment:
0~110mm

VESA Wall Mounting:
100 x 100mm

Kensington Lock:
Yes

Phys. Dimension with stand (W x H x D):
60.9 x 44.9 x 18.8 cm (23.98" x 17.68" x 7.40")

Phys. Dimension without Stand (W x H x D):
60.9 x 36.9 x 6.6 cm (23.98" x 14.53" x 2.60")

Box Dimension (W x H x D):
86.0 x 16.2 x 50.0 cm (33.86" x 6.38" x 19.69")

Net Weight with Stand:
6.1 kg (13.45 lbs)

Net Weight without Stand:
3.8 kg (8.38 lbs)

Gross Weight:
8.5 kg (18.74 lbs)

Accessories (vary by regions):
DisplayPort cable
Microfiber cloth
Quick start guide
ROG pouch
ROG sticker
VESA mount kit
Warranty Card

Certificate:
TÜV Flicker-free
TÜV Low Blue Light
VESA AdaptiveSync Display 280Hz
G-SYNC Compatible

Warranty:
3 years (including panel burn-in)

3 YEAR WARRANTY (ONSITE PICKUP)

ASUS Service Centre
Address: 8 Burn Rd #11-16, Trivex, Singapore 369977
Contact: 6636 9163

Frequently Asked Questions About ROG Strix OLED XG27ACDMS

Does the ROG Strix OLED support 280Hz on consoles?

No, PS5 and Xbox Series X max out at 120Hz. You'll need a PC with DisplayPort 1.4 or HDMI 2.1 to hit the full 280Hz refresh rate.

Will this monitor work for productivity and office work?

Yes, but OLED isn't ideal for static content like spreadsheets all day. It's best for gaming-first setups where you mix content types throughout the day.

What GPU do I need to drive 280Hz at 1440p?

RTX 4070 or better for AAA games, or RTX 4060 Ti for competitive esports titles like Valorant and CS2. AMD RX 7800 XT also works great.

Does the 3-year warranty really cover OLED burn-in?

Yes, ASUS includes burn-in coverage under the 3-year Singapore warranty. This removes the biggest worry for first-time OLED buyers.

How does QD-OLED compare to regular OLED monitors?

QD-OLED uses quantum dots for better color volume and brightness than W-OLED panels. You get more vibrant colors without oversaturation, especially in reds and greens.

How long will it take to receive my purchase?

Standard Shipping - 3 to 5 days
Express Shipping - 1 to 2 days

Can I opt for store pickup?

Yes, we are open daily for collection from 11 AM - 6.30 PM.

Address: 1 Ubi View #01-22, Focus One Building Singapore 408555 (Door located nearest to carpark exit gantry)

We will contact you once your order is ready for collection!