540 Hz means the image refreshes up to 540 times per second, several times more often than on a typical gaming monitor. In fast shooters you see an opponent's movement sooner, mouse input and on-screen action are almost in sync, and the image stays clear during a sharp turn. To take full advantage of such a refresh rate, your PC needs to render that many frames per second, which is far easier at QHD than at 4K.
A 0.02 ms response time is a strength of OLED technology: a pixel changes colour practically instantly, so moving objects leave no blurred trail. Combined with 540 Hz, this gives a level of motion clarity that LCD panels cannot reach. Dark scenes stay clean too, because every pixel switches off completely in black areas and there is no backlight glow.
A typical contrast ratio of 1 500 000:1 means black is truly black and bright details stand out clearly against it. Brightness of 300 cd/m² is comfortable for gaming under normal room lighting. 178° viewing angles keep colours consistent even if you sit slightly off-centre. A 27-inch QHD screen gives a sharper image than Full HD while still letting you take in the whole screen at a glance.
The monitor has two HDMI ports and a USB-C input. The HDMI ports suit both a gaming PC and a console, and USB-C lets you connect a laptop. The manufacturer does not specify USB-C charging power, so a laptop will need its own charger. There is no wired network port and there are no speakers, so sound goes to headphones or separate speakers.
You can raise and lower the screen, tilt it, swivel it and rotate it into portrait mode, which is handy for a chat window or long documents. With the VESA 100 × 100 interface the monitor can also go on an arm. Height adjustment lets you set the top edge of the screen at eye level, which spares your neck during a long gaming session. It weighs 6.8 kg, and the black chassis suits a dark gaming corner.
Competitive players and esports fans for whom every millisecond and every frame counts; shooter and racing game players who want fast, clear motion; and gamers who value deep OLED blacks and contrast but prefer a 27-inch QHD screen that is easy to keep fully in view.
| Brand | LG |
|---|---|
| Colour of product | Black |
| Height adjustment | Yes |
| Tilt adjustment | Yes |
| Pivot | Yes |
| Swivelling | Yes |
| VESA mounting interfaces | 100x100 mm |
| Viewing angle, horizontal | 178 ° |
| Viewing angle, vertical | 178 ° |
| EAN | 8806096678008 |
| Display diagonal | 27 " |
|---|---|
| Display | 2560 x 1440 pixels |
| HD type | QHD |
| Panel type | OLED |
| Maximum refresh rate | 540 Hz |
| Response time | 0.02 ms |
| Display brightness | 300 cd/m² |
| Aspect ratio | 16:9 |
| TV tuner integrated | No |
| Contrast ratio (typical) | 1500000:1 |
| Built-in speaker(s) | No |
|---|
| Ethernet LAN (RJ-45) ports | No |
|---|---|
| HDMI ports quantity | 2 |
| USB-C | Yes |
| Net weight | 6.80 kg |
|---|
The manufacturer does not name a specific graphics card. The more frames per second your PC produces in a game, the more you gain from a 540 Hz screen; high frame rates are much easier to reach at QHD than at 4K.
The manufacturer data lists two HDMI ports and USB-C. It does not specify whether there is a DisplayPort or which connection is required for 540 Hz.
Yes, VESA 100 × 100. The monitor weighs 6.8 kg, so a standard monitor arm will do.
No, there are no built-in speakers. Use headphones or separate speakers for sound.
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