
Lenovo E21
tbdCOR ScoreAvailable after 3 critic reviews
Monitors
Product specifications and review coverage for this exact model.

Image supplied through Icecat
Lenovo 63D1ZAR1UK is listed in the computer monitors category. The recorded specifications include display diagonal: 80 cm (31.5"); display resolution: 3840 x 2160 pixels; panel type: IPS; maximum refresh rate: 60 Hz. This entry covers manufacturer code 63D1ZAR1UK. 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: 63D1ZAR1UK. Icecat product 137561886 · Checked 17 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 | 80 cm (31.5") |
|---|---|
| Screen resolution | 3840 x 2160 pixels |
| Panel type | IPS |
| Maximum refresh rate | 60 Hz |
| Display brightness (typical) | 350 cd/m² |
| HDMI ports | 1 |
| DisplayPort connections | 1 |
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| Built-in microphone | No |
|---|
| Display technology | LED |
|---|---|
| Anti-glare screen | Yes |
| Screen shape | Flat |
| Contrast ratio (typical) | 1000:1 |
| Viewing angle, horizontal | 178° |
| Viewing angle, vertical | 178° |
| Display number of colours | 1.07 billion colours |
| Colour gamut | 100% |
| Built-in USB hub | Yes |
|---|---|
| USB Type-A downstream ports quantity | 4 |
| USB Type-C DisplayPort Alternate Mode | No |
| HDMI | Yes |
| HDMI version | 2.1 |
| DisplayPort version | 1.4 |
| Ethernet LAN | Yes |
| Energy efficiency class (SDR) | F |
|---|---|
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 32 kWh |
| Energy consumption (HDR) per 1000 hours | 52 kWh |
| Power consumption (typical) | 29 W |
| Power consumption (standby) | 0.5 W |
| Power consumption (max) | 5 W |
| Power consumption (off) | 0.3 W |
| Power supply type | Internal |
| Energy efficiency scale | A to G |
| Product colour | Black |
|---|---|
| Colour name | Raven Black |
| VESA mounting | Yes |
| Height adjustment | Yes |
| Width (with stand) | 714.2 mm |
| Depth (with stand) | 234.6 mm |
| Height (with stand) | 599.5 mm |
| Weight (with stand) | 10.1 kg |
| Width (without stand) | 714.2 mm |
| Depth (without stand) | 59.5 mm |
| Height (without stand) | 420.9 mm |
| Weight (without stand) | 7.2 kg |
| Bezel width (side) | 2 mm |
| Certification | ENERGY STAR Certified, TCO 9.0, TCO Edge 2.0, EPEAT Gold, RoHS, Eyesafe Display 2.0, TÜV Low Blue Light (Hardware solution), TÜV Rheinland Eye Comfort |
|---|
| HD type | 4K Ultra HD |
|---|---|
| Native aspect ratio | 16:9 |
| LED backlight | Yes |
| Backlight type | W-LED |
| Response time (fast) | 4 ms |
| Pixel pitch | 0.182 x 0.182 mm |
| Pixel density | 140 ppi |
| sRGB coverage (typical) | 100% |
| NVIDIA G-SYNC | No |
| AMD FreeSync | No |
| Low Blue Light technology | Yes |
| Pivot | Yes |
| Tilt adjustment | Yes |
| Package width | 950 mm |
|---|---|
| Package depth | 148 mm |
| Package height | 525 mm |
| Package weight | 14.4 kg |
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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