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LG 27" QHD 300Hz 1ms IPS HDR400 USB-C Gaming Monitor
27G640A-B.AAU
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$559
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Product Overview
Key Features
- 27" QHD (2560 x 1440) IPS Gaming Monitor with G-Sync FreeSync Premium Compatibility
- 300Hz Display Refresh Rate and 1ms GTG response time.
- 100 x 100 VESA mount
- HDMI2.1 x 2, DP1.4 x 1, USB-C (PD 15W), USB3.0 1up 2down
Key Specifications
- Brand:
- LG
- Model Number:
- 27G640A-B.AAU
- Screen Size (Inches):
- 27
- Resolution Type:
- 2K Quad HD
- Peak Brightness (Nits):
- 400
- Refresh Rate (Hz):
- 300
- Connections:
- HDMI2.1 x 2, DP1.4 x 1, USB-C (PD 15W), USB3.0 1up 2down
- Type:
- Gaming Monitor
Screen Technology
- Screen Technology:
- LCD IPS
- Aspect Ratio:
- 16:9
- Display Resolution (px):
- 2560 x 1440
- Response Time (ms):
- 1
Computers & Tablets
- Contrast Ratio:
- 1300:1
- Positional Adjustments:
- Tilt/Height/Swivel/Pivot
Screen Features
- Screen Size Range:
- 26 - 27.9 Inches
- G-Sync / Freesync Compatible:
- AMD FreeSync, NVIDIA G-SYNC
Efficiency
- Energy Rating (Star):
- 0.5
Mounting
- VESA Wall Mount Size (mm):
- 100 x 100
General Information
- Colour:
- Black
- Additional Features:
- HDR10, VRR, 5W x 2 speakers,
- What's In The Box:
- DisplayPort Cable, HDMI 2.1 Cable
Warranty
- Manufacturer's Warranty:
- 3 Year
Screen Technology
- Screen Technology:
- LCD IPS
- Aspect Ratio:
- 16:9
- Display Resolution (px):
- 2560 x 1440
- Response Time (ms):
- 1
Screen Features
- Screen Size Range:
- 26 - 27.9 Inches
- G-Sync / Freesync Compatible:
- AMD FreeSync, NVIDIA G-SYNC
Mounting
- VESA Wall Mount Size (mm):
- 100 x 100
Warranty
- Manufacturer's Warranty:
- 3 Year
Without Stand Dimensions
- Height Without Stand (mm):
- 365.77
- Width Without Stand (mm):
- 613.68
- Depth Without Stand (mm):
- 57.44
- Weight Without Stand (kg):
- 3.4
With Stand Dimensions
- Height With Stand (mm):
- 539.1
- Width With Stand (mm):
- 613.68
- Depth With Stand (mm):
- 239
- Weight With Stand (kg):
- 5.47
Box Dimensions
- Box Height (mm):
- 165
- Box Width (mm):
- 810
- Box Depth (mm):
- 465
- Box Weight (kg):
- 7
Product Reviews of LG 27" QHD 300Hz 1ms IPS HDR400 USB-C Gaming Monitor
Overall Rating Snapshot
5 out of 5 stars from 5 reviews
100% of users recommend this product
Sandeep Tikoo
Confirmed purchase 21 June 2026
Published on 14 July 2026
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Anonymous
Confirmed purchase 20 March 2026
Published on 15 April 2026
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Amazing Products
This monitor provides all I need for my home office. Not too big not too small and includes all the features to run well.
Ricardo
Confirmed purchase 15 March 2026
Published on 11 April 2026
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Awesome features
The screen is amazing, such good quality
Riley Tiana Te Huki
Confirmed purchase 23 February 2026
Published on 26 March 2026
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Good Quality Gaming Monitor
I bought this on sale so I was happy about that, quality of the picture is great, purchased for gaming and it does a good job. Speakers as expected are not good, it’s pretty jarring at first when you hear the sound. Otherwise good product and I’d recommend.
Nikki
Confirmed purchase 21 February 2026
Published on 18 March 2026
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
You've viewed 5 of 5 reviews
ABOUT THE GOOD GUYS REVIEWS
The Good Guys product reviews are collected from verified purchasers who may have received an incentive in return for providing an authentic review.
The below information is AI generated based on Australian websites information around this item. We have done our best to ensure its accuracy but suggest verifying any information within this tab before purchasing.
At a glance
The LG 27" QHD 300Hz 1ms IPS HDR400 USB-C Gaming Monitor is built for serious gamers and fast-paced action, offering ultra-smooth visuals, vibrant colours, and versatile connectivity. Its 300Hz refresh rate and 1ms response time make it ideal for competitive gaming, while the IPS panel ensures accurate colours. However, its QHD resolution may not match the sharpness of 4K displays for content creators.
What it’s great for
- Competitive Gaming
- Esports
- Fast-Paced Action Games
- Immersive Entertainment
Where it works best
- Gaming Room
- Bedroom Setup
- Shared Living Space
Who it’s for
- PC Gamer
- Esports Enthusiast
- Streamer
- Tech-Savvy User
Things to consider
While the QHD resolution is sharp, users seeking maximum detail for creative work or productivity may prefer a 4K monitor.
Gaming suitability score
10/10 - Exceptional refresh rate and response time ideal for competitive gaming.
Home office fit
Good for gaming-focused setups; basic productivity is supported but not optimised for multitasking or 4K detail.
Colour accuracy rating
8/10 - DCI-P3 95% coverage ensures strong colour accuracy for gaming and general use.
Multi-monitor setup compatibility
Well-suited for multi-monitor setups thanks to slim bezels and versatile stand adjustments.
Eye comfort score
7/10 - IPS panel and flicker-free technology help reduce eye strain, but extended sessions may still require breaks.
Key benefits
- 300Hz Refresh Rate: Delivers ultra-smooth motion for fast-paced gaming with minimal blur.
- 1ms Response Time: Reduces input lag and ghosting, providing a competitive edge in action games.
- IPS Panel: Ensures wide viewing angles and consistent, accurate colour reproduction.
- VESA DisplayHDR 400: Enhances contrast and brightness for more immersive visuals in supported games and media.
- USB-C Connectivity: Allows single-cable connection for video, data, and 15W power delivery to compatible devices.
- NVIDIA G-Sync and AMD FreeSync Premium: Minimises screen tearing and stutter for smoother gameplay.
- Adjustable Stand: Offers tilt, height, swivel, and pivot adjustments for ergonomic comfort.
- DCI-P3 95% Coverage: Provides vibrant, true-to-life colours for gaming and media consumption.
Q: Which types of connectivity does the LG 27" QHD Gaming Monitor offer?
A: It includes HDMI2.1 x 2, DP1.4 x 1, USB-C (PD 15W), and USB3.0 1up 2down connections.
Q: What is the response time of this LG Gaming Monitor?
A: The monitor has a 1ms GTG response time.
Q: Does the monitor have any mounting options?
A: Yes, it supports a 100 x 100 VESA mount.
Q: What additional features are included with the LG Gaming Monitor?
A: It features HDR10, VRR, and built-in 5W x 2 speakers.
Q: What are the dimensions of the monitor with the stand?
A: Height 539.1mm, Width 613.68mm, Depth 239mm.