MSI COPILOT+ PC 14" ULTRA 7 355H PRESTIGE 14 AI+ D3MG-228SG

32GB RAM 1TB SSD

Product Description

The MSI Prestige 14 AI+ D3MG-228SG is a premium Copilot+ PC built for professionals, executives, students, and creators who need powerful AI-assisted productivity in an ultra-portable design. Powered by the Intel® Core™ Ultra 7 355H processor with up to 49 NPU TOPS and Intel integrated graphics, it delivers excellent performance for office productivity, multitasking, AI-enhanced workflows, content creation, and hybrid work environments.

Featuring a stunning 14-inch OLED display, premium aluminum chassis, AI-powered MSI software enhancements, Wi-Fi 7 connectivity, and an all-day 81Wh battery, the Prestige 14 AI+ is designed for users who prioritize portability, battery life, and modern AI computing capabilities. At just 1.32kg, it is one of MSI's lightest premium productivity laptops.

Key Features

Intel® Core™ Ultra 7 355H Processor

AI-ready performance for modern workloads:

• Intel® Core™ Ultra 7 355H
• Up to 49 NPU TOPS AI performance
• 8 Cores (4 Performance + 4 Low Power Efficient)
• 8 Threads
• Up to 4.7GHz Turbo Boost
• Intel AI Boost NPU for Copilot+ experiences
• Optimized for productivity and AI applications

Copilot+ PC Experience

Built for next-generation AI productivity:

• Microsoft Copilot integration
• On-device AI processing
• AI-enhanced productivity tools
• Faster AI-assisted workflows
• Future-ready Windows AI features

14" OLED Display

Premium visual experience:

• 14-inch FHD+ (1920 × 1200)
• OLED panel technology
• 16:10 aspect ratio
• 100% DCI-P3 colour gamut
• SGS Low Blue Light certification
• Flicker-Free technology
• Exceptional contrast and colour accuracy

Ultra-Light Premium Design

Designed for mobility:

• CNC-machined aluminum chassis
• Ultra-slim 11.9–13.9mm profile
• Lightweight 1.32kg design
• Platinum Grey finish
• Premium minimalist aesthetics

All-Day Battery Life

Work without interruption:

• Large 81Wh battery
• USB-C Power Delivery charging
• Up to 30+ hours video playback under MSI testing
• Excellent endurance for travel and remote work

MSI AI Engine

Smart performance optimization:

• Automatically detects user scenarios
• Adjusts system settings intelligently
• Balances performance and battery life
• Optimizes productivity workloads

Advanced Cooling System

Quiet and efficient:

• Vapor Chamber cooling
• Enhanced Intra Flow airflow design
• Near-silent operation
• Stable performance in a slim chassis
• Designed for everyday productivity workloads

Enterprise-Grade Security

Business-ready protection:

• Fingerprint Reader
• IR Facial Recognition Camera
• Microsoft Pluton Security
• TPM 2.0
• Webcam Privacy Shutter
• Secured-Core PC certification

Premium Connectivity

Future-ready connectivity:

• Wi-Fi 7
• Bluetooth 6.0
• 2 × Thunderbolt™ 4
• 2 × USB-A 3.2 Gen2
• HDMI 2.1
• Audio Combo Jack

Specifications

• Processor: Intel® Core™ Ultra 7 355H
• AI Engine: Intel AI Boost NPU
• AI Performance: Up to 49 NPU TOPS
• CPU Configuration: 8 Cores / 8 Threads
• Max Turbo Frequency: Up to 4.7GHz
• Graphics: Intel® Graphics
• Display Size: 14-Inch
• Resolution: FHD+ (1920 × 1200)
• Panel Type: OLED
• Aspect Ratio: 16:10
• Colour Gamut: 100% DCI-P3
• Memory: 32GB LPDDR5X
• Storage: 1TB PCIe Gen4 NVMe SSD
• Storage Expansion: 1 × M.2 PCIe Gen4 Slot
• Wireless: Intel Killer Wi-Fi 7
• Bluetooth: Bluetooth 6.0
• Webcam: IR FHD Camera with HDR & 3DNR+
• Security: Fingerprint Reader, TPM 2.0, Pluton Security
• Speakers: 2 × 2W Speakers + 2 × 2W Woofers
• Microphones: 3-Mic Spatial Array
• Thunderbolt: 2 × Thunderbolt 4
• USB-A: 2 × USB 3.2 Gen2
• HDMI: HDMI 2.1 (8K@60Hz / 4K@120Hz)
• Battery: 81Wh
• Charger: 65W USB-C PD
• Weight: 1.32kg
• Thickness: 11.9–13.9mm
• Colour: Platinum Grey
• Operating System: Windows 11 Home

Best For

Business Professionals

Ideal for:

• Executives and managers
• Remote and hybrid workers
• Business travellers
• Office productivity
• Corporate presentations

Students & Educators

Perfect for:

• Research and assignments
• Online learning
• Note-taking
• Presentations
• Daily campus use

AI Productivity Users

Suitable for:

• Microsoft Copilot
• AI-assisted writing
• Meeting summaries
• Workflow automation
• AI-powered productivity tools

Content Creators

Good for:

• Photo editing
• Graphic design
• Social media content creation
• Content planning
• Light video editing

Users Prioritising Portability

Excellent for:

• Frequent travellers
• Mobile professionals
• Lightweight daily carry
• Long battery life requirements
• Users upgrading from older ultrabooks