
Lenovo LT1421
tbdCOR ScoreAvailable after 3 critic reviews
Monitors
Product specifications and review coverage for this exact model.

Image supplied through Icecat
iiyama GB3295QSU-B1 is listed in the computer monitors category. The recorded specifications include display diagonal: 80 cm (31.5"); display resolution: 2560 x 1440 pixels; panel type: VA; maximum refresh rate: 240 Hz. This entry covers manufacturer code GB3295QSU-B1. 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: GB3295QSU-B1. Icecat product 137568853 · 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 | 80 cm (31.5") |
|---|---|
| Screen resolution | 2560 x 1440 pixels |
| Panel type | VA |
| Maximum refresh rate | 240 Hz |
| Display brightness (typical) | 400 cd/m² |
| High Dynamic Range (HDR) supported | Yes |
| HDMI ports | 2 |
| DisplayPort connections | 1 |
Open a section for the details that matter to you.
| Number of speakers | 2 |
|---|---|
| Rated audio power (RMS) | 10 W |
| Built-in speakers | Yes |
| Headphone out | Yes |
| Headphone outputs | 1 |
| Display technology | LED |
|---|---|
| Touchscreen | No |
| Screen shape | Flat |
| Contrast ratio (typical) | 4000:1 |
| Contrast ratio (dynamic) | 80000000:1 |
| Viewing angle, horizontal | 178° |
| Viewing angle, vertical | 178° |
| Display number of colours | 1.07 billion colours |
| Display diagonal (metric) | 80 cm |
| High Dynamic Range (HDR) technology | High Dynamic Range (HDR) 400 |
| On Screen Display (OSD) | Yes |
| On Screen Display (OSD) languages | Czech, German, English, Spanish, French, Italian, Japanese, Dutch, Polish, Portuguese, Russian |
| Native refresh rate | 60 Hz |
| Frameless design | Yes |
|---|---|
| Storage temperature (T-T) | -20 - 60 °C |
| Storage relative humidity (H-H) | 10 - 90% |
| Horizontal scan range | 30 - 357.6 kHz |
|---|---|
| Vertical scan range | 48 - 240 Hz |
| 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 downstream ports | 4 |
| Number of USB Type-B upstream ports quantity | 1 |
| USB Type-A downstream ports quantity | 4 |
| USB Type-C downstream ports quantity | 2 |
| HDMI | Yes |
| HDMI version | 2.1 |
| DisplayPort version | 1.4 |
| Headphone connectivity | 3.5 mm |
| Panel mounting interface | 100 x 100 mm |
| USB cable length | 1.8 m |
| DisplayPort cable length | 1.8 m |
| HDMI cable length | 1.8 m |
| Energy efficiency class (SDR) | G |
|---|---|
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 33.2 kWh |
| Energy consumption (HDR) per 1000 hours | 53.2 kWh |
| Power consumption (typical) | 48 W |
| Power consumption (standby) | 0.5 W |
| Power consumption (off) | 0.3 W |
| Power consumption (PowerSave) | 33 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) | 5 - 35 °C |
|---|---|
| User controls | picture adjust (contrast, brightness, overdrive, HDR, adaptive sync, adv. contrast, night mode, blue light reducer, motion blur red., gamma), input select (auto, manual / HDMI1, HDMI2, DP), audio adjust (volume, mute), store user setting (user modes), colour settings (6-axis, colour temperature, user preset, black tuner), image adjust (i-Style colour, X-Res Technology, sharpness, HDMI range, direct drive mode, video mode adjust), language, setup menu (OSD horizontal position, OSD vertical positi |
| Control panel | Joystick, power / menu (center), up / signal select, down, left / i-Style colour, night mode, blue light reducer, right / volume |
| Colour depth | 10 bit |
|---|---|
| Product colour | Black |
| VESA mounting | Yes |
| Height adjustment | Yes |
| Adjustable height (max) | 15 cm |
| Width (with stand) | 717 mm |
| Depth (with stand) | 290 mm |
| Height (with stand) | 609 mm |
| Weight (with stand) | 8.4 kg |
| Height (without stand) | 459 mm |
| Power cable length | 1.8 m |
| Weight | 8.4 kg |
| Width | 717 mm |
| Depth | 290 mm |
| Compliance certificates | CE, EAC, PSE, REACH, RoHS, TÜV mark, UKCA, VCCI, WEEE |
|---|
| HD type | Quad HD |
|---|---|
| Native aspect ratio | 16:9 |
| Response time (MPRT) | 0.4 ms |
| Pixel pitch | 0.272 x 0.272 mm |
| Viewable size, horizontal | 69.8 cm |
| Viewable size, vertical | 39.3 cm |
| DDC/CI | Yes |
| AMD FreeSync | Yes |
| AMD FreeSync type | FreeSync Premium |
| Flicker-free technology | Yes |
| Low Blue Light technology | Yes |
| Market positioning | Gaming |
| HDCP | Yes |
| Cable management | Yes |
| Cable lock slot | Yes |
| Cable lock slot type | Kensington |
| Swivelling | Yes |
| Swivel angle range | -45 - 45° |
| Tilt adjustment | Yes |
| Tilt angle range | -5 - 23° |
| Number of OSD languages | 11 |
| Operating relative humidity (H-H) | 10 - 90% |
| Quick start guide | Yes |
| Sustainability certificates | ErP |
| Package width | 890 mm |
|---|---|
| Package depth | 500 mm |
| Package height | 130 mm |
| Package weight | 12.2 kg |
| Cables included | AC, USB, HDMI, DisplayPort |
| Packaging content | quick start guide, safety guide |
Specifications describe the supplied product data, not measured review results. Battery life, range and performance figures are source claims and can vary with use.
Continue your comparison
More products in the same category. Check the exact features, review coverage and available offers before choosing.



