loading
loadingloading
LG 27" QHD 300Hz 1ms IPS HDR400 USB-C Gaming Monitor
27G640A-B.AAU
CLEARANCE
$694
± Click the icons above as terms, conditions & fees apply
Participating Credit Cards. 24 Months Interest Free.
No Interest. No Deposit. Monthly payments required.
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 7 reviews
86% of users recommend this product
What customers say, summarised by AI
- Excellent screen quality enhances both work and gaming experiences.
- Ideal size for home office, fits well without being overwhelming.
- Features are comprehensive, making it suitable for different uses.
- Picture quality is impressive, especially for gaming purposes.
- Built-in speakers are below average and sound harsh initially.
- Good value when purchased on sale, highly recommended by users.
Awesome
This is the second one I have brought as it’s the best screen I have ever had
Maz
Confirmed purchase 23 July 2026
Published on 19 August 2026
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Awesome
It is the best screen I have had would highly recommend
Maree
Confirmed purchase 23 July 2026
Published on 19 August 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.
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 7 of 7 reviews
ABOUT THE GOOD GUYS REVIEWSThe 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
This 27-inch QHD gaming monitor is best for competitive players who want very fast motion handling without giving up IPS image quality. Its strengths are the 300Hz refresh rate, 1ms response time, adaptive sync support and flexible stand. It also works well for mixed gaming and desktop use thanks to USB-C and built-in speakers. The main limitation is that USB-C power delivery is only 15W, so it is not ideal for charging larger laptops.
What it’s great for
- Competitive Gaming
- Fast-Paced Esports
- PC Gaming
- Console Gaming
- Everyday Productivity
- Mixed Work and Play
Where it works best
- Home Gaming Setup
- Bedroom Desk
- Home Office
- Study Room
- Multi-Use Desktop Setup
Who it’s for
- Competitive Gamer
- Enthusiast PC Gamer
- Console Gamer
- Remote Worker
- Student Gamer
Things to consider
USB-C power delivery is limited to 15W, so it is better for light device connection than for powering most laptops, and HDR performance will be more basic than higher-end mini-LED or OLED gaming monitors.
Gaming suitability score
9.5/10 - excellent for fast competitive gaming thanks to 300Hz, 1ms response time and adaptive sync support.
Home office fit
Very good for a work-and-play desk, with sharp QHD detail, ergonomic adjustment, USB-C input and built-in speakers.
Colour accuracy rating
8/10 - IPS panel supports strong everyday colour performance, though it is positioned more for gaming than specialist colour-critical work.
Multi-monitor setup compatibility
Good - 27-inch size, QHD resolution and pivot support suit dual-monitor setups, though users should still check bezel preference and desk space.
Eye comfort score
7.5/10 - ergonomic adjustments help long-session comfort, but this model is focused more on speed and gaming performance than specialised eye-care features.
Key benefits
- 300Hz Refresh Rate: delivers exceptionally smooth motion for competitive games where fast tracking and low perceived blur matter.
- 1ms Response Time: helps reduce ghosting so fast-moving scenes look cleaner and more precise.
- 27-inch QHD Screen: gives a sharp, detailed image size and resolution balance that suits both gaming and everyday desktop use.
- IPS Panel: provides wide viewing angles and more consistent colour across the screen than typical TN alternatives.
- AMD FreeSync and G-Sync Compatibility: helps reduce tearing and stutter for smoother gameplay across a wider range of systems.
- Fully Adjustable Stand: tilt, height, swivel and pivot adjustments make it easier to set up a more comfortable viewing position.
- USB-C Connectivity with 15W Power Delivery: supports simple single-cable video connection for compatible devices and can charge lower-power accessories.
- Built-in 5W Speakers: adds convenient everyday audio without requiring separate speakers for basic use.
Q: Does USB-C carry video, data and charging on one cable?
A: Yes. The USB-C port can carry display signal and data while supplying 15W power. That works for a simple one-cable connection to compatible lower-power devices, but it is not enough to properly charge most laptops while in use.
Q: Is it more suitable for PC or console gaming?
A: Yes, but it leans more toward PC gaming if you want the full speed this panel offers. Consoles can connect through HDMI 2.1, but 300Hz is most relevant for a gaming PC that can output very high frame rates at 2560 x 1440.
Q: How useful is HDR on this gaming monitor?
A: LG 27G640A-B.AAU supports HDR10 with 400 nits peak brightness, so HDR content can show brighter highlights than standard SDR. The effect will still be fairly modest, especially in darker scenes, rather than high-impact HDR.
Q: Will the built-in speakers replace separate PC speakers?
A: Yes, for basic use. The built-in 5W x 2 speakers suit system sounds, videos and casual gaming without adding external speakers straight away. Separate speakers or a headset will still give stronger detail, bass and positional audio.
Q: Can the screen rotate into portrait mode for work?
A: Yes. The stand supports pivot as well as tilt, height and swivel adjustment, so the screen can be used in portrait orientation. That is useful for documents, coding or a secondary vertical screen, and you are not locked to landscape only.
Q: What ports does it have for PC and accessories?
A: LG 27G640A-B.AAU includes HDMI 2.1, DisplayPort 1.4, USB-C and USB 3.0 connections, so it can link to a gaming PC and act as a simple hub for accessories. A DisplayPort cable and an HDMI 2.1 cable are included in the box.
Q: Is a wall mount possible with this LG monitor?
A: Yes. The monitor supports a 100 x 100 VESA wall mount, so you can use a compatible arm or wall bracket instead of the stand. Check the mount suits a 27-inch monitor, because the box includes video cables rather than a mounting bracket.