
LG 34U640B-B
tbdCOR ScoreAvailable after 3 critic reviews
Monitors
Product specifications and review coverage for this exact model.

Image supplied through Icecat
LG 27MD5KL is listed in the computer monitors category. The recorded specifications include display diagonal: 68.6 cm (27"); display resolution: 5120 x 2880 pixels; panel type: IPS; maximum refresh rate: 60 Hz. This entry covers manufacturer code 27MD5KL. Specifications relate to this exact source record; other editions or packages may differ.
Automatically assembled from the source specifications. This is a factual summary, not a hands-on review.
No scored critic reviews have been imported for this exact product yet. It remains unrated.
The COR Score gives each publisher one rating. Scores are converted to the same five-point scale.
Manufacturer code: 27MD5KL. Icecat product 75082746 · Checked 16 Sep 2026. The source lists this code for Great Britain. No specifications are transferred from other editions.
The main features to compare for this exact model. Missing details are not assumed.
| Screen size | 68.6 cm (27") |
|---|---|
| Screen resolution | 5120 x 2880 pixels |
| Panel type | IPS |
| Maximum refresh rate | 60 Hz |
| Response time | 14 ms |
| Display brightness (typical) | 500 cd/m² |
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| Number of speakers | 2 |
|---|---|
| Rated audio power (RMS) | 10 W |
| Built-in speakers | Yes |
| Built-in microphone | Yes |
| Audio input | No |
| Headphone out | No |
| Display technology | LED |
|---|---|
| Touchscreen | No |
| Display surface | Matt |
| Screen shape | Flat |
| Contrast ratio (typical) | 1100:1 |
| Viewing angle, horizontal | 178° |
| Viewing angle, vertical | 178° |
| Display number of colours | 1.073 billion colours |
| Colour gamut | 99% |
| On Screen Display (OSD) | Yes |
| On Screen Display (OSD) languages | Simplified Chinese, Traditional Chinese, German, English, Spanish, Finnish, French, Greek, Italian, Japanese, Korean, Polish, Portuguese, Russian, Ukrainian |
| Native refresh rate | 60 Hz |
| Supported graphics resolutions | 5120 x 2880 |
|---|---|
| Storage temperature (T-T) | -20 - 60 °C |
| Storage relative humidity (H-H) | 0 - 85% |
| Supported video modes | 1080p, 1440p, 2160p, 2880p |
|---|---|
| Built-in camera | Yes |
| Horizontal scan range | 30 - 178 kHz |
|---|---|
| Vertical scan range | 48 - 60 Hz |
| Built-in USB hub | Yes |
|---|---|
| USB upstream port type | USB Type-C |
| USB Type-C downstream ports quantity | 2 |
| DVI port | No |
| HDMI | No |
| Thunderbolt 3 ports quantity | 1 |
| Panel mounting interface | 100 x 100 mm |
| Energy efficiency class (SDR) | G |
|---|---|
| Energy efficiency class (HDR) | Not available |
| Energy consumption (SDR) per 1000 hours | 31.8 kWh |
| Power consumption (standby) | 0.5 W |
| Power consumption (off) | 0.3 W |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| Power supply type | Internal |
| Energy efficiency scale | A to G |
| Operating temperature (T-T) | 0 - 40 °C |
|---|
| Product colour | Black |
|---|---|
| Front bezel colour | Black |
| Feet colour | Black |
| VESA mounting | Yes |
| Height adjustment | Yes |
| Adjustable height (max) | 11 cm |
| Width (with stand) | 625.5 mm |
| Depth (with stand) | 239.9 mm |
| Height (with stand) | 464.4 mm |
| Weight (with stand) | 8.5 kg |
| Width (without stand) | 625.6 mm |
| Depth (without stand) | 53.8 mm |
| Height (without stand) | 375.1 mm |
| Weight (without stand) | 6.4 kg |
| HD type | 5K Ultra HD |
|---|---|
| Native aspect ratio | 16:9 |
| Backlight type | W-LED |
| Aspect ratio | 4:3, 16:9 |
| Pixel pitch | 0.11685 x 0.11685 mm |
| Pixel density | 218 ppi |
| NVIDIA G-SYNC | No |
| AMD FreeSync | No |
| Market positioning | Business |
| AC (power) in | Yes |
| Cable lock slot | Yes |
| Cable lock slot type | Kensington |
| Tilt adjustment | Yes |
| Tilt angle range | -5 - 25° |
| Number of OSD languages | 15 |
| LED indicators | Yes |
| Operating relative humidity (H-H) | 0 - 80% |
| Stand included | Yes |
| Package width | 743 mm |
|---|---|
| Package depth | 315 mm |
| Package height | 573 mm |
| Package weight | 13.5 kg |
| Package type | Box |
| Cables included | Thunderbolt, USB Type-C |
| Harmonized System (HS) code | 85285210 |
Specifications describe the supplied product data, not measured review results. Battery life, range and performance figures are source claims and can vary with use.
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