LG
27U631A-B 27-inch QHD (2560 x 1440) IPS Computer Monitor, 100Hz, 5ms, HDR10, Reader Mode, Flicker Safe, HDMI, USB Type-C 15W PD, Black
*Price sourced from Amazon.com. Last updated 2026-05-25. Price and availability subject to change.
Immerse yourself in stunning visuals with the 27" QHD (2560x1440) IPS display, designed to deliver exceptional clarity and vibrant color with HDR10 support and up to 99% sRGB coverage. Whether you’re working, gaming, or streaming, this monitor offers vivid colors and detail for an gorgeous viewing experience. The 100Hz refresh rate, Dynamic Action Sync, and Black Stabilizer are gaming specs and features that ensure that are ideal when you need to take a game break. Connectivity is simplified with USB Type-C which enables quick charging and data transfer through a single cable, reducing…
SpecPicks Verdict
SpecPicks classifies LG 27U631A-B 27-inch QHD (2560 x 1440) IPS Computer Monitor, 100Hz… as a solid pick with broad community endorsement in the gaming monitors category, based on 1,101 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. LG'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
- ✓ Highly rated — 4.5★ average across customer reviews
- ✓ Large, well-vetted feedback pool (1,101 reviews)
- ✓ Backed by LG'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
- Vivid Visuals at Wide Viewing Angles - Experience exceptional picture quality with the 27" QHD (2560x1440) display, with IPS technology for vivid and vibrant visuals - even at wider viewing angles.
- 100Hz Smoother, Seamless Visuals - With a 100Hz refresh rate and 5ms(GTG) response time, on screen visuals are rendered clearly for ultra-smooth motion and fluidity.
- Bold Color on a 27" Screen - Immerse yourself in a world of brilliant color from HDR10 that helps enhance picture quality and up to 99% sRGB color gamut expression to make games visually pop.
- Multiple Devices-One Cable - Seamlessly connect to external devices or charge your laptop with the convenience of USB Type-C with up to 15W power delivery.
- Easy Viewing, Comfortable Reading - This monitor comes with Reader Mode which can reduce blue light emission to help provide a reduction in eye fatigue.
- Action as It Happens - Get a pro-level experience with the closest thing to real-time gaming. Dynamic Action Sync elevates your gameplay so you can respond every moment of the action with reduced input tag and unbelievable performance.
Full Specifications
| Brand | LG |
|---|---|
| Color | Black |
| Voltage | 240 Volts |
| Brightness | 250 Candela |
| Model Name | 27U631A-B.AUSQ |
| Resolution | QHD Wide 1440p |
| Unit Count | 1.0 Count |
| Color Gamut | 0.99 |
| Pixel Pitch | 0.2331 |
| Screen Size | 27 Inches |
| Aspect Ratio | 16:9 |
| Connectivity | USB |
| Display Type | LED |
| Model Number | 27U631A-B.AUSQ |
Ready to buy?
LG 27U631A-B 27-inch QHD (2560 x 1440) IPS Computer Monitor, 100Hz, 5ms, HDR10, Reader Mode, Flicker Safe, HDMI, USB Type-C 15W PD, Black 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.
*Price sourced from Amazon.com. Last updated 2026-05-25. Price and availability subject to change.
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