Broaden the vision with unlimited enjoyment
The stunningly beautiful ASUS M3400 all-in-one PC has a 23.8-inch FHD LED display with a near-invisible 2 mm display bezel that gives you edge-to-edge visuals and an incredible 88% screen-to-body ratio. Combined with its advanced ASUS SonicMaster audio — featuring a DTS Audio Processing bass-reflex speaker system and two-way AI-powered noise cancelation — M3400 immerses you in amazing visuals and superb sound for the ultimate entertainment experience.
Display
Incredible NanoEdge display
The space-saving ASUS M3400 is remarkably slim and light, and its multitouch* NanoEdge display features an impossibly thin bezel for edge-to-edge viewing and an impressive 88% screen-to-body ratio. This stunning 23.8-inch widescreen display includes wide-view technology that makes it perfect for sharing pictures or videos with friends and family. With Full HD (1920 x 1080) resolution, you’ll enjoy games and movies in vivid detail, with amazing color and contrast. And with its precise 10-point multitouch* capability, it’s easier than ever to interact with ASUS M3400 using intuitive multi-finger gestures for navigation and control!
* Selected models only.
Display
Vibrant and vivid!
The NanoEdge display on ASUS M3400 features wide 178° viewing angles, and a wide 100% sRGB color gamut for vivid and realistic-looking colors. It also includes exclusive ASUS Splendid technology to ensure true-to-life colors — whether it’s an image of a sunset, a clear blue sky, or subtle skin tones.
Beauty
Seamless, effortless
ASUS M3400 has a simple yet elegant integrated stand that’s sculpted from a single piece of aluminum. Designed for complete stability and a graceful appearance, its shape is based on the Chinese character 人, for ‘human’. A perfectly balanced hinge keeps the screen firmly in place, while allowing you to effortlessly tilt the display to the most comfortable angle.
Processor
Blitz through everyday tasks
Powered by the productive AMD® Ryzen™ processors, ASUS M3400 delivers effortless performance for smooth multitasking. So whatever task is at hand, you’ll finish it quicker! ASUS M3400 is the perfect solution for your everyday computing needs, whether you want to surf the web, watch videos, or just catch up with emails.
Noise Cancelation
Next-level two-way AI noise-canceling audio technology
ASUS M3400 has AI-powered noise-canceling technology that employs sophisticated machine-learning techniques. The technology includes both an upstream function to filter noise around the speaker, and a downstream function to eliminate noise from the person at the other end of the conversation. This ensures minimal distraction for high-quality communication, so it’s just like being in the room with other people. It also includes shortcut keys to enable the technology or mute the microphones with simple clicks.
Audio
Advanced bass-reflex speakers
For amazingly immersive multimedia experiences, ASUS M3400 has two integrated high-quality stereo speakers use an advanced bass-reflex design — a design typically only available in hi-fi speaker systems — to deliver smooth, powerful bass and clear, full-range sound that has to be heard to be believed.
SonicMaster
High-fidelity sound, expertly optimized
Exclusive ASUS SonicMaster technology gives ASUS M3400 better-than-ever audio quality. SonicMaster combines powerful audio hardware and fine-tuned software to deliver sound that’s unlike anything you’ve ever heard from an all-in-one PC, with deep, rich bass and crystal-clear vocals — even at high volume levels.
DTS Audio Processing
Easy audio optimization
DTS Audio Processing is an audio-processing algorithm for speakers and headphones that’s built-in to ASUS M3400. You can experience enhanced audio through its powerful speakers, with distortion-free sound and deeper bass. Open the DTS Audio Processing app via the Windows Start menu and choose from the different audio modes, including presets for Music, Movies, and Gaming.
Connectivity
Fast, convenient connectivity
ASUS M3400 has an HDMI-in port that lets you hook up video and audio from any device with an HDMI output, giving you an amazing big-screen experience for your laptop, mobile device, game console or even a set-top TV box! There are also four USB 3.2 Gen 1 ports for connecting all your peripherals, and an HDMI-out port for connecting an extra external display. And for ultra-fast and convenient wireless connectivity, M3400 features up to gigabit-class WiFi 6* (802.11ax).
* Selected models only.
Specifications
| Display diagonal | 60.5 cm (23.8") |
| Display resolution | 1920 x 1080 pixels |
| Touchscreen | N |
| HD type | Full HD |
| Native aspect ratio | 16:9 |
| Display brightness | 250 cd/m² |
| Panel type | LCD |
| RGB colour space | sRGB |
| Anti-glare screen | Y |
| Colour gamut | 100% |
| Processor manufacturer | AMD |
| Processor model | 5500U |
| Processor family | AMD Ryzen™ 5 |
| Processor frequency | 2.1 GHz |
| Processor boost frequency | 4 GHz |
| Processor cores | 6 |
| Processor cache | 8 MB |
| Internal memory | 8 GB |
| Internal memory type | DDR4-SDRAM |
| Memory slots | 2 |
| Memory slots type | SO-DIMM |
| Total storage capacity | 512 GB |
| Storage media | SSD |
| Total SSDs capacity | 512 GB |
| Number of SSDs installed | 1 |
| SSD capacity | 512 GB |
| SSD interface | PCI Express 3.0 |
| NVMe | Y |
| SSD form factor | M.2 |
| Optical drive type | N |
| Discrete graphics card | N |
| Discrete graphics card model | Not available |
| On-board graphics card | Y |
| On-board graphics card model | AMD Radeon Graphics |
| Built-in speaker(s) | Y |
| Built-in microphone | Y |
| Audio system | Sonic Master |
| Built-in camera | Y |
| Camera HD type | HD |
| Wi-Fi | Y |
| Top Wi-Fi standard | Wi-Fi 6 (802.11ax) |
| Wi-Fi standards | Wi-Fi 6 (802.11ax) |
| Antenna type | 2x2 |
| Ethernet LAN | Y |
| Ethernet LAN data rates | 10,100,1000 Mbit/s |
| Bluetooth | Y |
| Bluetooth version | 5.0 |
| Ethernet LAN (RJ-45) ports | 1 |
| USB 2.0 ports quantity | 1 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| HDMI ports quantity | 2 |
| HDMI version | 1.4 |
| Combo headphone/mic port | Y |
| DC-in jack | Y |
| Colour name | White |
| Product colour | White |
| Cable lock slot | Y |
| Cable lock slot type | Kensington |
| Product type | All-in-One PC |
| Trusted Platform Module (TPM) | Y |
| BIOS password | Y |
| HDD user password | Y |
| Operating system architecture | 64-bit |
| Operating system installed | Windows 11 Pro |
| Trial software | McAfee LiveSafe 30-day |
| AC adapter power | 90 W |
| AC adapter frequency | 50 - 60 Hz |
| AC adapter input voltage | 100 - 240 V |
| AC adapter output voltage | 19 V |
| Width (with stand) | 540 mm |
| Depth (with stand) | 165 mm |
| Height (with stand) | 409 mm |
| Weight (with stand) | 5.4 kg |
