The LG 27U411A-B is $104.99 at Amazon, and LG sells the same monitor for $104.99 on its own US store. Both are running an identical $15 cut from an identical $119.99 list price, so the 13% saving is LG's promotion rather than an Amazon one.
The panel is a 27-inch 1920 x 1080 IPS screen running at 120Hz, with HDR10 and 99% sRGB coverage. The refresh rate is the draw at this price, because LG lists 120Hz as the panel's maximum rather than as an overclocked mode.
What the U in 27U411A-B does not mean
LG files this monitor under Full HD and QHD, and its US product page names it a 27 Inch FHD IPS 120Hz HDR10 Monitor. The spec sheet gives the resolution as 1920 x 1080.
The U is not a 4K marker. LG's 32U631A-B carries the same letter and is a QHD monitor at $249.99, while LG's 27-inch 4K models use US and UP codes, and its dual-mode UltraGear 27G810A-B sits in a different line again.
Spreading 1920 x 1080 across 27 inches is a choice rather than an accident, and it is the same trade a 27-inch Samsung Odyssey G3 at $129.99 asks for. LG rates the screen at 250 cd/m2 typical brightness, 178 degrees of viewing angle in both directions and 16.7 million colours.
LG 27U411A-B specifications
| Specification | LG 27U411A-B |
|---|---|
| Panel | 27-inch IPS, 16:9 |
| Resolution | 1920 x 1080 |
| Refresh rate | 120Hz |
| Response time | 5ms grey to grey, 1ms motion blur reduction |
| Brightness | 250 cd/m2 typical, 220 cd/m2 minimum |
| Colour | 99% sRGB typical, 16.7 million colours, HDR10 |
| Ports | 1x HDMI 2.0, 1x D-Sub, headphone out |
| Speakers | None listed |
| Stand | Tilt only, -5 to 20 degrees |
| Mount | 100 x 100 mm |
| Weight with stand | 9.3 lbs |
| Warranty | 1 year parts and labour |
One HDMI port, one VGA port and no speakers
LG's input list for this monitor is unusually short. There is one HDMI port, specified as HDMI 2.0, one D-Sub VGA connector and a headphone output.
No DisplayPort appears on the US, Canadian or UK spec sheets, and neither does USB of any kind. That leaves a single digital input, so a second machine has to arrive over analogue VGA.
LG lists no built-in speakers anywhere in the spec groups, and LG Canada describes the headphone jack as 3-pole and sound only. An HDMI cable is in the box, according to the accessories row, and no D-Sub cable is listed.
The stand tilts and does nothing else. LG publishes a range of -5 to 20 degrees, with no height, swivel or pivot adjustment, and the mount pattern is 100 x 100 mm for anyone who would rather use an arm.
LG's Canadian and UK pages do list VRR support for the panel. Its US spec sheet names no variable refresh rate technology at all, and the Amazon listing does not mention adaptive sync either.
LG's own spec sheets disagree on contrast
LG's US page puts the contrast ratio at 3000:1 typical and the pixel pitch at 0.2745 mm. LG Canada and LG UK both publish 1500:1 typical, 1050:1 minimum and a pixel pitch of 0.3114 mm for the same model number.
The arithmetic favours the Canadian and UK figures. A 0.3114 mm pitch across 1920 pixels gives 598 mm of active width, which is a 27-inch 16:9 panel, while 0.2745 mm gives 527 mm, or a 23.8-inch one.
LG's US page for the 24-inch 24U411A-B carries the identical picture-quality block, down to the 3000:1 and the 0.2745 mm, with only the screen size changed. The 27-inch page's own meta description ends by pointing readers to the 24U411A-B.
The safer figure is 1500:1, which is what LG publishes for the 27-inch screen outside the US. Anyone reading the US sheet should know it says otherwise.
How it compares with other budget monitors
| Monitor | Price | Panel | Refresh rate |
|---|---|---|---|
| LG 27U411A-B | $104.99 | 27-inch flat IPS, 1080p | 120Hz |
| AOC C27G4ZH | $129.99 | 27-inch curved VA, 1080p | 280Hz |
| ASUS TUF Gaming 24-inch | $99.00 | 24-inch curved, 1080p | 180Hz |
The AOC C27G4ZH is $129.99 and more than doubles the refresh rate on a curved VA panel, which trades the IPS viewing angles away. The ASUS TUF 24-inch is $99.00 and costs less, but gives up three inches of screen.
Against those two, the LG is the flat IPS option and the only one of the three at or under $105 with a 27-inch screen. Budget 27-inch panels have been clustering at this level for weeks, with an AOC C27G4H2 at $99.99 for Prime members and a 32-inch Samsung S3 at $141.56.
LG gives no DCI-P3 coverage figure for this panel, no active power draw on its US sheet and no end date for the $15 promotion. Neither LG nor the listing claims FreeSync or G-SYNC certification.
There is also no earlier price on record here for this listing, so $104.99 is best read against LG's $119.99 rather than against any low. Amazon lists the monitor as in stock and sold by Amazon.com at the time of writing, and prices at both stores can change.
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