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Reference: ST3450857SS
Brand: Seagate
ST3450857SS _ RFB
Seagate Cheetah 450GB 3.5, 450 GB, 15000 RPM, 16 MB, 3.5", SAS
CHF241.1
tax incl.
CHF223.0
tax excl.
In stock
CHF519.6
tax incl.
CHF480.7
tax excl.
In stock
X4373UHSU-B2
iiyama ProLite X4373UHSU-B2, 43", 3840 x 2160 pixels, 4K Ultra HD, LED, 3 ms, Black
Description
43" large format desktop monitor with 4K resolution, giving you the power of four displays in one
Designed for professionals who need more screen space, the ProLite X4373UHSU offers a seamless solution for multitasking and multi-device workflows. The 43'' panel delivers rich colours, sharp 3840x2160 resolution and wide 178° viewing angles, with 450cd/m² brightness ensuring excellent visibility in any lighting. For added flexibility, the monitor supports dual mode, allowing you to work in 3840×2160 for detailed content creation and data-heavy applications, or switch to 1920×1080 at 120Hz for smoother motion when displaying dynamic content or live feeds.
The USB-C input with 95W Power Delivery, integrated KVM switch and four-port USB hub make it easy to connect, control and charge multiple devices through a single setup. Flicker-free technology and a blue light reducer help minimise eye strain during long sessions, while the included remote control offers instant access to key settings.
Ideal for content creation, financial dashboards or control environments, this all-in-one monitor maximises clarity, comfort and productivity.
Adapt your display to match your pace
Switch seamlessly between two optimised modes to suit the task at hand. Dual Mode empowers your workflow by offering crystal-clear 4K resolution for precise data work, or a responsive 120Hz Full HD setting for smooth motion during live feeds and dynamic content. One screen with two smart ways to stay productive, without compromise
Deeper blacks and richer detail with VA panel
The VA panel offers exceptional contrast and deep blacks, revealing every nuance between light and dark. Enjoy vivid, lifelike images with minimal light bleed and excellent color depth, especially in darker scenes. Whether watching movies, editing content, or gaming, benefit from consistent picture quality and wide viewing angles that bring every detail to life.
Easy multi-device control with KVM
Easily switch between multiple computers using one monitor, keyboard, and mouse, making multitasking smooth and efficient.
Built-in audio without extra clutter
Enjoy clear, pleasant sound for calls, videos, and music while keeping your desk free of extra speakers, thanks to the integrated audio.
Double the view, double efficiency
Watch two sources at once. Use Picture-in-Picture to overlay a second feed or Picture-by-Picture to split the screen side by side. Perfect for multitasking, comparing content, or staying in control.
Reduced eye strain & fatigue
Work, study or play longer without eye fatigue, thanks to flicker-free technology and reduced blue light emissions. These features help minimize eye strain and improve visual comfort, allowing you to stay focused and productive throughout the day.
iiyama ProLite X4373UHSU-B2. Display diagonal: 43", Display resolution: 3840 x 2160 pixels, HD type: 4K Ultra HD, Display technology: LED, Response time: 3 ms, Native aspect ratio: 16:9, Viewing angle, horizontal: 178°, Viewing angle, vertical: 178°. Built-in speaker(s). Built-in USB hub, USB hub version: 3.2 Gen 1 (3.1 Gen 1). VESA mounting. Product color: Black
Designed for professionals who need more screen space, the ProLite X4373UHSU offers a seamless solution for multitasking and multi-device workflows. The 43'' panel delivers rich colours, sharp 3840x2160 resolution and wide 178° viewing angles, with 450cd/m² brightness ensuring excellent visibility in any lighting. For added flexibility, the monitor supports dual mode, allowing you to work in 3840×2160 for detailed content creation and data-heavy applications, or switch to 1920×1080 at 120Hz for smoother motion when displaying dynamic content or live feeds.
The USB-C input with 95W Power Delivery, integrated KVM switch and four-port USB hub make it easy to connect, control and charge multiple devices through a single setup. Flicker-free technology and a blue light reducer help minimise eye strain during long sessions, while the included remote control offers instant access to key settings.
Ideal for content creation, financial dashboards or control environments, this all-in-one monitor maximises clarity, comfort and productivity.
Adapt your display to match your pace
Switch seamlessly between two optimised modes to suit the task at hand. Dual Mode empowers your workflow by offering crystal-clear 4K resolution for precise data work, or a responsive 120Hz Full HD setting for smooth motion during live feeds and dynamic content. One screen with two smart ways to stay productive, without compromise
Deeper blacks and richer detail with VA panel
The VA panel offers exceptional contrast and deep blacks, revealing every nuance between light and dark. Enjoy vivid, lifelike images with minimal light bleed and excellent color depth, especially in darker scenes. Whether watching movies, editing content, or gaming, benefit from consistent picture quality and wide viewing angles that bring every detail to life.
Easy multi-device control with KVM
Easily switch between multiple computers using one monitor, keyboard, and mouse, making multitasking smooth and efficient.
Built-in audio without extra clutter
Enjoy clear, pleasant sound for calls, videos, and music while keeping your desk free of extra speakers, thanks to the integrated audio.
Double the view, double efficiency
Watch two sources at once. Use Picture-in-Picture to overlay a second feed or Picture-by-Picture to split the screen side by side. Perfect for multitasking, comparing content, or staying in control.
Reduced eye strain & fatigue
Work, study or play longer without eye fatigue, thanks to flicker-free technology and reduced blue light emissions. These features help minimize eye strain and improve visual comfort, allowing you to stay focused and productive throughout the day.
iiyama ProLite X4373UHSU-B2. Display diagonal: 43", Display resolution: 3840 x 2160 pixels, HD type: 4K Ultra HD, Display technology: LED, Response time: 3 ms, Native aspect ratio: 16:9, Viewing angle, horizontal: 178°, Viewing angle, vertical: 178°. Built-in speaker(s). Built-in USB hub, USB hub version: 3.2 Gen 1 (3.1 Gen 1). VESA mounting. Product color: Black
| Display diagonal | 43" |
| Display resolution | 3840 x 2160 pixels |
| Native aspect ratio | 16:9 |
| Display technology | LED |
| Touchscreen | No |
| HD type | 4K Ultra HD |
| Panel type | VA |
| Response time | 3 ms |
| Screen shape | Flat |
| Contrast ratio (typical) | 4000:1 |
| Maximum refresh rate | 60 Hz |
| Display number of colors | 1.07 billion colors |
| Display brightness (typical) | 450 cd/m² |
| Response time measurement type | GTG (Gray to Gray) |
| Contrast ratio (dynamic) | 80000000:1 |
| Viewing angle, horizontal | 178° |
| Viewing angle, vertical | 178° |
| Pixel pitch | 0.00965 x 0.00965" (0.245 x 0.245 mm) |
| Horizontal scan range | 30 - 135 kHz |
| Viewable size, horizontal | 20.8" (52.9 cm) |
| Viewable size, vertical | 37" (94.1 cm) |
| Display diagonal (metric) | 42.5" (108 cm) |
| High Dynamic Range (HDR) supported | Yes |
| High Dynamic Range (HDR) technology | High Dynamic Range 10 (HDR10) |
| Colour gamut standard | NTSC, sRGB |
| sRGB coverage (typical) | 100% |
| NTSC coverage (typical) | 85% |
| Flicker-free technology | Yes |
| Low Blue Light technology | Yes |
| Built-in speaker(s) | Yes |
| Built-in camera | No |
| Number of speakers | 2 |
| RMS rated power | 7 W |
| Market positioning | Business |
| Product color | Black |
| Built-in USB hub | Yes |
| HDMI | Yes |
| Headphone out | Yes |
| USB hub version | 3.2 Gen 1 (3.1 Gen 1) |
| USB upstream port type | USB Type-A, USB Type-C |
| HDMI ports quantity | 2 |
| HDMI version | 2.0 |
| DisplayPorts quantity | 1 |
| DisplayPort version | 1.2 |
| Built-in KVM switch | Yes |
| HDCP | Yes |
| VESA mounting | Yes |
| Cable lock slot | Yes |
| Height adjustment | No |
| Panel mounting interface | 200 x 100 mm |
| Wall mountable | Yes |
| Cable management | Yes |
| Cable lock slot type | Kensington |
| Tilt adjustment | Yes |
| Tilt angle range | 2 - 10° |
| On Screen Display (OSD) | Yes |
| On Screen Display (OSD) languages | English, German, French, Spanish, Italian, Portuguese, Russian, Japanese, Dutch, Polish, Ukrainian |
| Energy efficiency class (SDR) | E |
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 41 kWh |
| Energy consumption (HDR) per 1000 hours | 79 kWh |
| Power consumption (typical) | 41 W |
| Power consumption (standby) | 0.5 W |
| Power consumption (off) | 0.5 W |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50/60 Hz |
| Power supply type | Internal |
| Energy efficiency scale | A to G |
| Width (with stand) | 38.5" (977.5 mm) |
| Depth (with stand) | 9.88" (251 mm) |
| Height (with stand) | 24.5" (621.5 mm) |
| Weight (with stand) | 32.4 lbs (14.7 kg) |
| Package width | 42.2" (1071 mm) |
| Package depth | 9.45" (240 mm) |
| Package height | 29.9" (760 mm) |
| Package weight | 42.5 lbs (19.3 kg) |
| Package type | Box |
| Cables included | Power, HDMI, USB, DisplayPort, USB Type-C |
| Handheld remote control | Yes |
| Remote control batteries included | Yes |
| DisplayPort cable length | 70.9" (1.8 m) |
| HDMI cable length | 70.9" (1.8 m) |
| Power cable length | 708.7" (18 m) |
Product Details
2026-07-21
New
Data sheet
- Product color
- Black
- Package type
- Box
- HDMI ports quantity
- 2
- DisplayPorts quantity
- 1
- Cable lock slot
- Yes
- Power supply type
- Internal
- Display diagonal
- 43"
- Display resolution
- 3840 x 2160 pixels
- HD type
- 4K Ultra HD
- AC input frequency
- 50/60 Hz
- AC input voltage
- 100 - 240 V
- Package weight
- 42.5 lbs (19.3 kg)
- Touchscreen
- No
- Height adjustment
- No
- Package width
- 42.2" (1071 mm)
- Package depth
- 9.45" (240 mm)
- Package height
- 29.9" (760 mm)
- HDMI version
- 2.0
- DisplayPort version
- 1.2
- VESA mounting
- Yes
- Power cable length
- 708.7" (18 m)
- Panel type
- VA
- Built-in speaker(s)
- Yes
- Cables included
- Power, HDMI, USB, DisplayPort, USB Type-C
- Market positioning
- Business
- Power consumption (standby)
- 0.5 W
- Power consumption (off)
- 0.5 W
- Handheld remote control
- Yes
- Power consumption (typical)
- 41 W
- HDCP
- Yes
- Cable lock slot type
- Kensington
- Maximum refresh rate
- 60 Hz
- Tilt angle range
- 2 - 10°
- Native aspect ratio
- 16:9
- Display technology
- LED
- Response time
- 3 ms
- Screen shape
- Flat
- Contrast ratio (typical)
- 4000:1
- Display number of colors
- 1.07 billion colors
- Display brightness (typical)
- 450 cd/m²
- Contrast ratio (dynamic)
- 80000000:1
- Viewing angle, horizontal
- 178°
- Viewing angle, vertical
- 178°
- Pixel pitch
- 0.00965 x 0.00965" (0.245 x 0.245 mm)
- Horizontal scan range
- 30 - 135 kHz
- Viewable size, horizontal
- 20.8" (52.9 cm)
- Viewable size, vertical
- 37" (94.1 cm)
- Display diagonal (metric)
- 42.5" (108 cm)
- Colour gamut standard
- NTSC, sRGB
- sRGB coverage (typical)
- 100%
- Flicker-free technology
- Yes
- Low Blue Light technology
- Yes
- Built-in camera
- No
- Number of speakers
- 2
- RMS rated power
- 7 W
- Built-in USB hub
- Yes
- HDMI
- Yes
- Headphone out
- Yes
- Tilt adjustment
- Yes
- On Screen Display (OSD)
- Yes
- Energy efficiency class (SDR)
- E
- Energy efficiency class (HDR)
- G
- Energy consumption (SDR) per 1000 hours
- 41 kWh
- Energy efficiency scale
- A to G
- Width (with stand)
- 38.5" (977.5 mm)
- Depth (with stand)
- 9.88" (251 mm)
- Height (with stand)
- 24.5" (621.5 mm)
- Weight (with stand)
- 32.4 lbs (14.7 kg)
- Cable management
- Yes
- Panel mounting interface
- 200 x 100 mm
- USB hub version
- 3.2 Gen 1 (3.1 Gen 1)
- USB upstream port type
- USB Type-A, USB Type-C
- Wall mountable
- Yes
- Response time measurement type
- GTG (Gray to Gray)
- High Dynamic Range (HDR) supported
- Yes
- High Dynamic Range (HDR) technology
- High Dynamic Range 10 (HDR10)
- Energy consumption (HDR) per 1000 hours
- 79 kWh
- On Screen Display (OSD) languages
- English, German, French, Spanish, Italian, Portuguese, Russian, Japanese, Dutch, Polish, Ukrainian
- NTSC coverage (typical)
- 85%
- Built-in KVM switch
- Yes
- Remote control batteries included
- Yes
- HDMI cable length
- 70.9" (1.8 m)
- DisplayPort cable length
- 70.9" (1.8 m)
Specific References
- EAN13
- 4948570126590
- MPN
- X4373UHSU-B2
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