DELL S Series S3423DWC computer monitor 86.4 cm (34 inch) 3440 x 1440 pixels Wide Quad HD LCD Black

The DELL S Series S3423DWC 34" Wide Quad HD LCD monitor delivers a 3440 x 1440 resolution on a 34-inch curved VA panel with a native 21:9 aspect ratio. Designed for wide-format viewing, the monitor combines a 4 ms response time, 350 cd/m² typical brightness and a 3000:1 typical contrast ratio to present detailed images with deep blacks and consistent color across a 178° horizontal and vertical viewing range. The unit includes built-in speakers, an integrated USB hub and supports VESA mounting and height adjustment. Its black finish and curved screen are intended to provide an immersive workspace for both productivity and multimedia use.

Advantages

The 34" ultrawide panel provides expanded horizontal workspace for side-by-side windows and panoramic content. The VA panel technology delivers higher native contrast for improved dark-scene detail compared with standard IPS alternatives. The 4 ms response time reduces motion blur in video and fast-moving content. Built-in speakers and a USB hub reduce cable clutter and simplify desktop connections, while VESA mounting compatibility and height adjustment offer flexible ergonomic placement.

Suitable for

• Multitasking with multiple application windows and spreadsheets
• Video and multimedia playback with wide aspect ratio
• Office and productivity workflows that benefit from extended horizontal space
• Casual gaming and fast-paced video content
• Mounting on compatible arms or wall mounts using VESA standards

Key specifications

• Display diagonal: 34 inches
• Resolution: 3440 x 1440 (Wide Quad HD)
• Panel type: VA, curved screen
• Aspect ratio: 21:9
• Pixel pitch: 0.232 x 0.232 mm
• Response time: 4 ms
• Typical contrast ratio: 3000:1
• Typical brightness: 350 cd/m²
• Viewing angles: 178° horizontal / 178° vertical
• Built-in speakers and integrated USB hub
• VESA mounting support and height adjustment
• Color: Black
• Energy efficiency class (SDR): F; energy consumption (SDR) per 1000 hours: 31 kWh

How to use

Position the monitor on a stable desk surface or attach it to a VESA-compatible arm or wall mount. Connect a video source using the appropriate cable supported by your computer; ensure resolution and refresh rate settings on the host device are set to 3440 x 1440 for optimal clarity. Use the on-screen display menu to adjust brightness, contrast, and color settings to suit ambient lighting and content type. Connect peripherals to the integrated USB hub and route audio through the built-in speakers or an external audio system as preferred. Adjust the height to a comfortable eye level to reduce neck strain during extended use.

Recommendations

For consistent image quality, allow the monitor to warm up for a few minutes after power-up before performing critical color tasks. When using the monitor for long periods, set an ergonomic viewing distance and take regular breaks. Use the OSD settings to lower brightness in dim environments to reduce eye fatigue. For mounting, confirm that the chosen VESA arm or bracket supports the monitor's weight and dimensions.