Lenovo ThinkVision T34WD-40 Monitor
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Monitors
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Product specifications and review coverage for this exact model.
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Product overview
Lenovo 12N9GAT1EU is listed in the computer monitors category. The recorded specifications include display diagonal: 54.6 cm (21.5"); display resolution: 1920 x 1080 pixels; panel type: IPS; maximum refresh rate: 60 Hz. This entry covers manufacturer code 12N9GAT1EU. 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.
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Specifications
Manufacturer code: 12N9GAT1EU. Icecat product 112571371 · Checked 19 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 | 54.6 cm (21.5") |
|---|---|
| Screen resolution | 1920 x 1080 pixels |
| Panel type | IPS |
| Maximum refresh rate | 60 Hz |
| Response time | 6 ms |
| Display brightness (typical) | 250 cd/m² |
| HDMI ports | 1 |
| DisplayPort connections | 1 |
More product specifications
Open a section for the details that matter to you.
Audio & listening4 details
| Number of speakers | 2 |
|---|---|
| Rated audio power (RMS) | 6 W |
| Built-in speakers | Yes |
| Built-in microphone | Yes |
Display11 details
| Display technology | LED |
|---|---|
| Touchscreen | Yes |
| Touchscreen technology | Capacitive |
| Anti-glare screen | Yes |
| Screen shape | Flat |
| Contrast ratio (typical) | 1000:1 |
| Contrast ratio (dynamic) | 3000000:1 |
| Viewing angle, horizontal | 178° |
| Viewing angle, vertical | 178° |
| Display number of colours | 16.7 million colours |
| Colour gamut | 99% |
Camera, image & video1 detail
| Built-in camera | Yes |
|---|
Connections & wireless13 details
| Number of simultaneous touchpoints | 10 |
|---|---|
| Built-in USB hub | Yes |
| USB hub version | 3.2 Gen 1 (3.1 Gen 1) |
| USB upstream port type | USB Type-B |
| Number of upstream ports | 1 |
| Number of USB Type-B upstream ports quantity | 1 |
| USB Type-A downstream ports quantity | 1 |
| USB Type-C DisplayPort Alternate Mode | No |
| HDMI | Yes |
| HDMI version | 1.4 |
| DisplayPort version | 1.2 |
| Ethernet LAN | No |
| Panel mounting interface | 100 x 100 mm |
Power & battery9 details
| USB Power Delivery (USB PD) | No |
|---|---|
| Power consumption (typical) | 13.4 W |
| Power consumption (standby) | 0.3 W |
| Power consumption (max) | 33 W |
| Power consumption (off) | 0.5 W |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50/60 Hz |
| Power supply type | External |
| Energy efficiency scale | A to G |
Design & dimensions18 details
| Colour depth | 8 bit |
|---|---|
| Product colour | Black |
| Colour name | Black |
| VESA mounting | Yes |
| Height adjustment | Yes |
| Adjustable height (max) | 15.5 cm |
| Width (with stand) | 489.3 mm |
| Depth (with stand) | 207.6 mm |
| Height (with stand) | 512.3 mm |
| Weight (with stand) | 5.7 kg |
| Width (without stand) | 489.3 mm |
| Depth (without stand) | 72.8 mm |
| Height (without stand) | 339.1 mm |
| Weight (without stand) | 3.4 kg |
| Bezel width (side) | 2 mm |
| Bezel width (top) | 2 mm |
| Bezel width (bottom) | 4.6 cm |
| Power cable length | 1 m |
Software & compatibility2 details
| Compatible operating systems | Windows 10, Windows 11 |
|---|---|
| Certification | EU Energy Label (D-class) ENERGY STAR® Certified EPEAT™ Gold Registered TCO Certified 9.0 TCO edge 2.0 Volatile Organic Compound Certification RoHS compliant Eyesafe Display 2.0, TÜV Low Blue Light (Hardware solution), TÜV Rheinland Eye Comfort |
Further product details28 details
| HD type | Full HD |
|---|---|
| Native aspect ratio | 16:9 |
| LED backlight | Yes |
| Backlight type | W-LED |
| Touch technology | Multi-touch |
| Response time (fast) | 4 ms |
| Pixel pitch | 0.248 x 0.248 mm |
| Pixel density | 102 ppi |
| Viewable size, horizontal | 47.6 cm |
| Viewable size, vertical | 26.8 cm |
| Surface hardness | 7H |
| sRGB coverage (typical) | 99% |
| NVIDIA G-SYNC | No |
| AMD FreeSync | No |
| Low Blue Light technology | Yes |
| Built-in KVM switch | Yes |
| Cable management | Yes |
| Cable lock slot | Yes |
| Cable lock slot type | Kensington |
| Pivot | Yes |
| Pivot angle | -5 - 90° |
| Swivelling | Yes |
| Swivel angle range | -45 - 45° |
| Tilt adjustment | Yes |
| Tilt angle range | -5 - 23.5° |
| Stand included | Yes |
| Power adapter included | Yes |
| Quick start guide | Yes |
Packaging & supplied accessories6 details
| Package width | 568 mm |
|---|---|
| Package depth | 176 mm |
| Package height | 422 mm |
| Package weight | 8.4 kg |
| Cables included | AC |
| Warranty period | 3 year(s) |
Specifications describe the supplied product data, not measured review results. Battery life, range and performance figures are source claims and can vary with use.
