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QH75B

Samsung QH75B 75-inch 4K High Brightness Digital Signage Display

Screen size
75"
Resolution
3,840 x 2,160
Brightness
700 nit
Operation
24/7
WhatsApp
Priceon request
QuotationWithin 1 working day
DeliveryConfirmed with your quote, based on stock
XLSXDownload datasheet (QH75B_Specifications_ae.xlsx)
Overview

The Samsung QH75B is a 75-inch 4K UHD digital signage display with a VA panel rated at 700 nit typical brightness, a non-glare surface and a Quantum Processor 4K for upscaling lower-resolution content. It is rated for 24/7 operation and includes Wi-Fi, Bluetooth, RS232 and RJ45 connections for remote management. It suits lobbies, reception areas and retail walls in Doha, West Bay and Lusail where a large, bright screen must run through the day.

What the Samsung QH75B is built for

The QH75B is a 75-inch display from Samsung's QHB Series, made for organisations that need a bright, always-on screen in a public or staff-facing space. Its VA panel runs at 3,840 x 2,160 pixels with a 0.42975 mm pixel pitch, giving UHD 4K detail across a large diagonal. A 700 nit typical brightness rating and a 4,000:1 contrast ratio help content stay readable in rooms with ambient light, and the 178/178 viewing angle lets people read the screen from the side as well as from the front.

Specifications that shape the purchase

  • Panel: 75-inch VA, 92% DCI-P3 colour gamut, 8 ms response time and 48 to 75 Hz vertical scanning
  • Non-glare surface: a 44% glass haze value, aimed at reducing reflections from windows and lights
  • Inputs: three HDMI inputs (version 2), one DisplayPort 1.2 input, two USB ports, an IR input and an RJ45 network port
  • Control and wireless: RS232 in and out for control systems, plus built-in Wi-Fi and Bluetooth
  • Power: rated AC100-240V at 50/60 Hz, drawing 264 W in on mode and 0.5 W in sleep mode

Software and content tools

The unit runs Tizen 6.5 with 16 GB of flash memory and carries Samsung's Quantum Processor 4K, which upscales lower-resolution video towards UHD quality. Smartview+ supports wireless screen sharing from Windows, Android and iOS devices, so presenters can start sharing without a cable. Custom Home lets administrators lock room settings between meetings. The built-in video conferencing works with a USB webcam bought separately, and Samsung lists nine supported Logitech models. Samsung notes that mobile operating system support and some other features, including Smart Calibration and Tizen Zero Config, were tied to later firmware updates, so confirm which functions are active on the unit you are quoted.

Where it fits in Qatar

A hotel lobby in The Pearl might use the QH75B for arrival information and event listings, where continuous running and a non-glare screen matter more than touch input. A bank branch in West Bay could place one near the waiting area to show products and services during opening hours. In Education City, a university department might use it in a corridor to display timetables and announcements. Each site needs a clear view of the screen, a wall that can carry 40.3 kg, and a room that stays within the 40°C operating limit.

Planning the installation

  • Check the wall: the set weighs 40.3 kg, so plan a solid, level wall with a bracket matching the VESA 400 x 400 mm pattern.
  • The source lists no stand. The optional mounts for this model are WMN6575SF and WMN4277SF.
  • Keep the room air-conditioned. The operating range is 0°C to 40°C and 10% to 80% humidity, non-condensing. Qatar summer temperatures can exceed 45°C, so outdoor or unconditioned spaces are not suitable.
  • Allow for the 1681.1 x 960.1 x 49.7 mm footprint and cable routing behind the panel.
  • Confirm the power cord and socket arrangement at quotation stage, especially if the mounting point is far from an existing outlet.

Request a quote for the QH75B

SmartRooms Qatar supplies the Samsung QH75B with delivery to all eight municipalities of Qatar and professional installation. We offer a free site survey before wall mounting, which is worth booking for a panel of this size. Quotations are usually issued within one working day. We work with purchase orders (LPOs) and government tenders, and payment can be made by bank transfer, cheque or purchase order. The unit is covered by the manufacturer's warranty. Request a quote today to confirm the bracket, cable route and installation plan for your site.

Highlights

  • 75-inch VA panel at 3,840 x 2,160 resolution
  • 700 nit typical brightness with 44% glass haze non-glare surface
  • Rated for 24/7 operation within 0°C to 40°C
  • Three HDMI inputs, DisplayPort 1.2, RS232, RJ45 and Wi-Fi
  • Quantum Processor 4K upscaling on Tizen 6.5
  • Optional WMN6575SF and WMN4277SF mounts; no stand included

Estimated timeline

Quotation within 1 working day · delivery timing depends on stock availability, and we confirm it with your quotation.

Specifications

48 specifications · Source: manufacturer · checked Oct 2026
Display15
Diagonal Size
75"
Panel Type
VA
Resolution
3,840 x 2,160
Pixel Pitch (HxV, mm)
0.42975 x 0.42975‎
Brightness (Typ)
700 nit
Contrast Ratio
4,000:1
Viewing Angle (H/V)
178/178
Response Time
8ms
Color Gamut
92% (DCI-P3, CIE 1976)
Glass Haze
44%
H-Scanning Frequency
30 ~ 81 kHz
Maximum Pixel Frequency
594 MHz
V-Scanning Frequency
48 ~ 75 Hz
Contrast Ratio (Dynamic)
Mega
Operation Time Support
24/7
Connectivity14
HDMI In
3
DP In
1
Version of HDMI
2
Version of DP
1.2
Version of HDCP
2.2
USB
2
IR In
Yes
Audio In
No
Audio Out
Stereo Mini Jack
RS232 In
Yes
RS232 Out
Yes
RJ45 In
Yes
WiFi
Yes
Bluetooth
Yes
Power3
Power Supply
AC100-240V 50/60Hz
Power Consumption (On Mode, W)
264‎
Power Consumption (Sleep Mode, W)
0.5‎
Dimension2
Set Dimension (WxHxD, mm)
1681.1 x 960.1 x 49.7‎
Package Dimension (WxHxD, mm)
1871 x 1127 x 223‎
Weight2
Set Weight (kg)
40.3‎
Package Weight
51‎
Operation Conditions2
Temperature
0℃~ 40℃
Humidity
10 ~ 80%, non-condensing
Mechanical Specification3
VESA Mount (mm)
400 x 400‎
Bezel Width (mm)
11.5(U/L/R), 12.5(B)
Frame Material
Non-Glossy
Optional Feature2
Mount
WMN6575SF,WMN4277SF
Stand
No
SoC2
OS Version
Tizen 6.5
Flash Memory Size
16 GB
Eco1
Energy Efficiency Class
A
Certification and Compliance2
EMC
Class B
Safety
60950-1, 62368-1

Downloads

12 files from the manufacturer
XLSX Datasheets QH75B_Specifications_ae.xlsx 5 KB Samsung QH75B datasheets (XLSX, 5 KB) XLSX Datasheets QH75B_Specifications_sa_en.xlsx 5 KB Samsung QH75B datasheets (XLSX, 5 KB) PDF Manuals & guides BN68-14001B-01_QSG_QHB_EU_L25_220922.0.pdf 2.3 MB Samsung QH75B manuals & guides (PDF, 2.3 MB) PDF Manuals & guides BN68-14001D-00_QSG_QHB_ASIA MENA AFRICA_L06_220126.0.pdf 2.0 MB Samsung QH75B manuals & guides (PDF, 2.0 MB) PDF Manuals & guides BN81-22492D-02_WEB_QHB_ASIA MENA AFRICA_ARA_250417.0.pdf 2.5 MB Samsung QH75B manuals & guides (PDF, 2.5 MB) PDF Manuals & guides BN81-22492D-02_WEB_QHB_ASIA MENA AFRICA_ENG_250417.0.pdf 2.4 MB Samsung QH75B manuals & guides (PDF, 2.4 MB) MSI Software & firmware · Opens on manufacturer site 1689320178917_A-MDC9GDSP-1243-20230628.msi Samsung QH75B software & firmware (MSI) MSI Software & firmware · Opens on manufacturer site A-CESNGDSP-1150_20240522.msi Samsung QH75B software & firmware (MSI) ZIP Software & firmware · Opens on manufacturer site BN81-22492B-02_WEB_QHB_EU CIS_L28_250417.0.zip Samsung QH75B software & firmware (ZIP) ZIP Software & firmware · Opens on manufacturer site BN81-22492D-02_WEB_QHB_ASIA MENA AFRICA_L06_250417.0.zip Samsung QH75B software & firmware (ZIP) ZIP Software & firmware · Opens on manufacturer site S-PTMWWC_1230.0_BEM.zip Samsung QH75B software & firmware (ZIP) ZIP Software & firmware · Opens on manufacturer site S-PTMWWC_1230.0_USB.zip Samsung QH75B software & firmware (ZIP)

Questions about QH75B

What is the Samsung QH75B designed to do?
It is a 75-inch 4K UHD signage display for organisations that need a bright screen running most of the day, such as lobbies, reception areas, corridors and retail walls. Its 700 nit typical brightness, non-glare surface and 24/7 operation rating make it suited to public-facing content like wayfinding, schedules and promotions. It is a display only, with no touch input and no stand included, so plan it as a wall-mounted screen.
Is 700 nit enough for a bright lobby in Doha?
The panel has a 700 nit typical brightness rating and a 44% glass haze non-glare finish, which helps reduce reflections from windows and lights. Typical brightness is a nominal figure, so a lobby that receives strong daylight or faces a large glass frontage should be checked during the site survey. SmartRooms Qatar can advise on placement before you request a quote.
Can the QH75B run continuously in a hotel or shopping mall?
Yes, the source data lists 24/7 operation support. Power draw is 264 W in on mode and 0.5 W in sleep mode, so scheduling sleep outside trading hours cuts consumption sharply. A shopping mall in Lusail with long opening hours can plan for continuous running, while a school can use sleep schedules during holidays.
Will the QH75B cope with Qatar's summer heat?
The operating temperature range is 0°C to 40°C, with humidity from 10% to 80% non-condensing. Summer temperatures in Qatar can pass 45°C, so the screen must sit in an air-conditioned indoor space with clear airflow around the cabinet. Do not place it outdoors, in a sun-facing unventilated room or at a dust-prone entrance without discussing the site first.
What inputs does the QH75B have for connecting a laptop or media player?
It has three HDMI inputs (HDMI version 2), one DisplayPort 1.2 input, two USB ports, an IR input and a stereo mini-jack audio output. A presenter laptop or media player typically connects over HDMI. The data lists no audio input, so external audio should be routed through the audio output. The two USB ports have no stated function in the data, so confirm their use when requesting a quote.
Can staff share their screens wirelessly without cables?
Yes. Smartview+ supports wireless screen sharing from Windows, Android and iOS devices, so meeting participants can share without a cable. Samsung notes that mobile operating system support and some other features were tied to later firmware updates, so ask SmartRooms Qatar to confirm the firmware level on the unit before relying on phone-based sharing in a meeting room.
Can the QH75B handle video calls with teams abroad?
The built-in video conferencing works with a USB webcam, which must be bought separately. Samsung lists nine supported Logitech models, including the C920, C922 and C930e. For a boardroom in Doha that connects with teams overseas, choose a camera from the supported list and confirm the video application and firmware level when you request a quote.
Does the QH75B work with Qatar's electricity supply?
The power input is rated AC100-240V at 50/60 Hz, a range that covers the 240 V, 50 Hz supply used in Qatar. The source data does not describe the plug or cable type, so confirm the power cord and socket arrangement when requesting a quote, particularly if the mounting position is far from an existing outlet.
What mounting does the QH75B need, and does it include a stand?
It uses a 400 x 400 mm VESA mounting pattern and no stand is listed. Samsung lists WMN6575SF and WMN4277SF as optional mounts for this model. Confirm the bracket choice with your installer before drilling, because the set weighs 40.3 kg and the wall must carry it safely.
How much wall space does the QH75B need?
The set measures 1681.1 x 960.1 x 49.7 mm and weighs 40.3 kg, while the packed weight is 51 kg. The bezel is 11.5 mm on the sides and 12.5 mm at the bottom. Plan for a level wall, room for cable routing behind the panel, and a clear route through doors for two people to carry the unit.
Which rooms in Qatar suit a 75-inch screen like this?
A 75-inch display suits a mid-sized meeting room, a training room or a lobby where people view the screen from several metres away. In Al Sadd, a company might use one in a meeting room for presentations and video calls, while a reception in The Pearl could run repeating information through the day. Measure your viewing distance before deciding on this size.
How do I order the QH75B for an office or government project?
Request a quote with the model name QH75B, the number of units, the site location and any mounting requirements. Quotations are usually issued within one working day. SmartRooms Qatar works with purchase orders (LPOs) and government tenders, including Monaqasat, and accepts payment by bank transfer, cheque or purchase order.

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