Lenovo E21
tbdCOR ScoreAvailable after 3 critic reviews
Monitors
Lenovo ThinkVision S24-4e Monitor reviews
Product specifications and review coverage for this exact model.
Image supplied through Icecat
Product overview
Lenovo 64B5KAT1UK is listed in the computer monitors category. The recorded specifications include display diagonal: 60.5 cm (23.8"); display resolution: 1920 x 1080 pixels; panel type: IPS; maximum refresh rate: 100 Hz. This entry covers manufacturer code 64B5KAT1UK. 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.
Expert reviews
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.
Specifications
Manufacturer code: 64B5KAT1UK. Icecat product 134263542 · Checked 15 Sep 2026. The source lists this code for Great Britain. No specifications are transferred from other editions.
Key specifications
The main features to compare for this exact model. Missing details are not assumed.
| Screen size | 60.5 cm (23.8") |
|---|---|
| Screen resolution | 1920 x 1080 pixels |
| Panel type | IPS |
| Maximum refresh rate | 100 Hz |
| Response time | 6 ms |
| Display brightness (typical) | 250 cd/m² |
| HDMI ports | 1 |
More product specifications
Open a section for the details that matter to you.
Audio & listening2 details
| Built-in speakers | No |
|---|---|
| Built-in microphone | No |
Display12 details
| Display technology | LED |
|---|---|
| Touchscreen | No |
| Anti-glare screen | Yes |
| Screen shape | Flat |
| Contrast ratio (typical) | 1300:1 |
| Contrast ratio (dynamic) | 3000000:1 |
| Viewing angle, horizontal | 178° |
| Viewing angle, vertical | 178° |
| Display number of colours | 16.7 million colours |
| Display diagonal (metric) | 60.4 cm |
| Colour gamut standard | sRGB |
| Colour gamut | 99% |
Processor, memory & storage2 details
| Storage temperature (T-T) | -20 - 60 °C |
|---|---|
| Storage relative humidity (H-H) | 5 - 95% |
Camera, image & video1 detail
| Built-in camera | No |
|---|
Connections & wireless7 details
| Built-in USB hub | No |
|---|---|
| USB Type-C DisplayPort Alternate Mode | No |
| VGA (D-Sub) ports quantity | 1 |
| HDMI | Yes |
| HDMI version | 1.4 |
| Ethernet LAN | No |
| Panel mounting interface | 100 x 100 mm |
Power & battery12 details
| USB Power Delivery (USB PD) | No |
|---|---|
| Energy efficiency class (SDR) | E |
| Energy efficiency class (HDR) | Not available |
| Energy consumption (SDR) per 1000 hours | 16 kWh |
| Power consumption (typical) | 16 W |
| Power consumption (standby) | 0.5 W |
| Power consumption (max) | 19 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 |
Controls & features1 detail
| Operating temperature (T-T) | 0 - 40 °C |
|---|
Design & dimensions19 details
| Colour depth | 8 bit |
|---|---|
| Product colour | Black |
| Colour name | Raven Black |
| Front bezel colour | Black |
| Feet colour | Black |
| VESA mounting | Yes |
| Wall mountable | Yes |
| Height adjustment | No |
| Width (with stand) | 539.8 mm |
| Depth (with stand) | 180 mm |
| Height (with stand) | 402.9 mm |
| Weight (with stand) | 3 kg |
| Width (without stand) | 539.8 mm |
| Depth (without stand) | 44 mm |
| Height (without stand) | 325.7 mm |
| Weight (without stand) | 2.7 kg |
| Bezel width (side) | 2 mm |
| Bezel width (top) | 2 mm |
| Bezel width (bottom) | 2.14 cm |
Software & compatibility1 detail
| Certification | ENERGY STAR Certified, EPEAT Gold, RoHS, EU Energy Efficiency Level (Level-E), Volatile Organic Compound Certification, TÜV Low Blue Light (Hardware solution), TÜV Rheinland Flicker Free |
|---|
Further product details24 details
| HD type | Full HD |
|---|---|
| Native aspect ratio | 16:9 |
| LED backlight | Yes |
| Backlight type | W-LED |
| Response time measurement type | GTG (Gray to Gray) |
| Response time (fast) | 4 ms |
| Pixel pitch | 0.2745 x 0.2745 mm |
| Pixel density | 92 ppi |
| Viewable size, horizontal | 52.7 cm |
| Viewable size, vertical | 29.6 cm |
| sRGB coverage (typical) | 99% |
| NVIDIA G-SYNC | No |
| AMD FreeSync | No |
| Low Blue Light technology | Yes |
| Market positioning | Office |
| Detachable stand | Yes |
| Cable management | Yes |
| Cable lock slot | Yes |
| Cable lock slot type | Kensington, Nano |
| Tilt adjustment | Yes |
| Tilt angle range | -5 - 22° |
| Plug and Play | Yes |
| Operating relative humidity (H-H) | 10 - 80% |
| Stand included | Yes |
Packaging & supplied accessories5 details
| Package width | 610 mm |
|---|---|
| Package depth | 112 mm |
| Package height | 420 mm |
| Package weight | 4.7 kg |
| Package type | Box |
Specifications describe the supplied product data, not measured review results. Battery life, range and performance figures are source claims and can vary with use.
