NEC MultiSync M491 49" IPS 4K Ultra HD Large Format Display

Design & Build Quality

The NEC MultiSync M491 showcases a sleek, black chassis that blends seamlessly into any professional environment. With an overall diagonal of 123.2 cm (49 inches), the display offers a generous screen real‑time area while maintaining a slim profile thanks to its Edge‑LED backlighting. The bezel is remarkably narrow: 1.25 cm on the sides and 1.56 cm at the bottom, creating an immersive visual experience that maximizes screen real estate.

Display Performance

The heart of this unit is its 3840 × 2160 pixel IPS panel, delivering true 4K Ultra HD clarity with a native aspect ratio of 16:9. The IPS technology guarantees wide viewing angles and accurate color reproduction, essential for high‑impact digital signage. With a brightness rating of 500 cd/m² and an impressive contrast ratio of 8000:1, the M491 renders deep blacks and vibrant whites, ensuring content stands out even in well‑lit spaces.

Refresh Rate & Response Time

The display operates at a native refresh rate of 60 Hz, suitable for smooth video playback and dynamic graphics. Its response time of 8 ms minimizes motion blur, making it ideal for both static signage and short‑form video loops.

Connectivity & Integration

The NEC MultiSync M491 is built for versatility:

• HDMI 2× – Dual HDMI inputs support simultaneous source connections or redundancy.
• DisplayPort 1× – Enables high‑bandwidth video transfer, perfect for professional graphics workstations.
• Ethernet LAN port 1× – Facilitates network management and remote configuration.
• USB ports (included) – Allow peripheral connectivity or firmware updates.
• Audio L/R out 1× – Provides stereo output for integrated speakers or external audio systems.

Mounting & Installation

The display supports a 300 mm × 300 mm VESA mounting interface, enabling wall‑mounting or stand installation. Its lightweight construction (21.8 kg) and slim depth of 6.11 cm make it easy to handle during setup.

Built‑In Features

The M491 comes equipped with:

• Two built‑in speakers, delivering clear audio for multimedia presentations.
• A remote control for convenient operation and configuration adjustments.
• An integrated media player slot (SDM) and a CM slot for content management, allowing seamless deployment of digital signage campaigns.

Energy Efficiency & Sustainability

The NEC MultiSync M491 is ENERGY STAR certified, reflecting its commitment to environmental responsibility. Its energy consumption averages:

• 82 kWh per 1000 hours (HDR)
• 90 kWh per 1000 hours (SDR)

Both figures place the display in the G energy efficiency class, balancing performance with power usage.

Operating Conditions

• Temperature range: 0 °C to 40 °C (operational), -20 °C to 60 °C (storage).
• Relative humidity: 20 %–80 % (operational), 10 %–90 % (storage).
• IP protection: IP5X front, IP2X rear – suitable for indoor commercial environments.

Why Choose the NEC MultiSync M491?

The NEC MultiSync M491 combines high‑resolution IPS technology with robust connectivity and energy efficiency, making it a standout choice for:

• Digital signage in retail, hospitality, transportation hubs, and corporate settings.
• Professional presentations where color accuracy and clarity are paramount.
• Continuous operation environments, thanks to its 24/7 design and durable components.

With its blend of performance, versatility, and sustainability, the NEC MultiSync M491 delivers a premium visual experience that elevates any space it occupies.