MSI Prestige 14 AI+ D3MG-228SG 14" FHD+ OLED Core Ultra 7 355 32GB 1TB Business Laptop
PRODUCT DESCRIPTION
MSI Prestige 14 AI+ D3MG-228SG 14" FHD+ OLED Core Ultra 7 355 32GB 1TB Business Laptop
Key specifications: 14" FHD+ OLED · Core Ultra 7 355 · Intel Graphics · 32GB RAM · 1TB SSD · Killer Wi-Fi 7 · Windows 11 Home · 1.32 kg · Copilot+ PC
1.32 kg, 11.9 mm thin
A 14" business ultraportable built around Intel Core Ultra Series 3.
Copilot+ PC
Built-in NPU for Windows AI features, with a dedicated Copilot key.
14" FHD+ OLED
1920 x 1200 OLED with 100% DCI-P3, SGS low blue light and flicker-free.
81Whr battery
Long runtime, charged by a 65W USB-C PD adapter.
Business-grade security
dTPM 2.0, Microsoft Pluton, Secured-core PC, fingerprint reader and IR camera with shutter.
MSI Prestige 14 AI+ D3MG-228SG Datasheet — Technical Specifications
General
| Product Name | MSI Prestige 14 AI+ D3MG-228SG 14" FHD+ OLED Core Ultra 7 355 32GB 1TB Business Laptop |
| Model | Prestige 14 AI+ D3MG-228SG |
| Series | MSI Prestige 14 AI+ D3M |
| MSI Part Number | 9S7-14T223-228 |
| EAN / UPC | 4711377454841 |
| Colour | Platinum Gray |
| Warranty | 2-year on-site warranty (Singapore, MSI authorised distributor) |
Processor & Operating System
| Processor | Intel® Core™ Ultra 7 355 |
| Operating System | Windows® 11 Home |
Display
| Display | 14" 16:10 FHD+ (1920 x 1200) OLED , 100% DCI-P3 (Typ.); SGS low blue light & flicker-free |
Graphics
| Graphics | Intel Graphics |
Memory & Storage
| Installed Memory | 32GB LPDDR5x (on board) |
| Memory Support | LPDDR5x on board (max 64GB) |
| Installed Storage | 1TB NVMe PCIe SSD |
| Storage Slots | 1x M.2 SSD slot (NVMe PCIe Gen4) |
Connectivity
| Wireless | Intel® Killer™ Wi-Fi 7 + Bluetooth 6 |
| I/O Ports | 2x Thunderbolt™ 4 (DisplayPort™ / Power Delivery 3.0) 2x Type-A USB 3.2 Gen2 1x HDMI™ 2.1 (8K @ 60Hz / 4K @ 120Hz) 1x mic-in/headphone-out combo jack |
| Webcam | IR FHD (30fps@1080p) with HDR, 3DNR+ |
| Audio | 2x 2W speakers + 2x 2W woofers, spatial array microphone (3 mics) |
Keyboard, Security & Sensors
| Keyboard | Single backlit keyboard (white) with Copilot key, smudge-resistant |
| Security | Discrete TPM (dTPM) 2.0, fingerprint reader, Microsoft Pluton, Secured-core PC, webcam shutter |
| Sensors | Fingerprint, ambient light sensor |
Power
| Battery | 4-cell, 81Whr |
| AC Adapter | 65W USB-C PD |
Dimensions & Weight
| Dimensions (W x D x H) | 315.6 x 221.9 x 11.9 - 13.9 mm |
| Weight (with battery) | 1.32 kg |
| Ecolabel | ENERGY STAR 9.0 |
Specifications are as published by MSI and the MSI Singapore distributor price list, and may change without notice — see the MSI product page for the latest details.
Compatibility & Connectivity
Ports
2x Thunderbolt™ 4 (DisplayPort™ / Power Delivery 3.0) / 2x Type-A USB 3.2 Gen2 / 1x HDMI™ 2.1 (8K @ 60Hz / 4K @ 120Hz) / 1x mic-in/headphone-out combo jack
External Displays
Video out via 2x Thunderbolt™ 4 (DisplayPort™ / Power Delivery 3.0) and 1x HDMI™ 2.1 (8K @ 60Hz / 4K @ 120Hz).
Wireless
Intel® Killer™ Wi-Fi 7 + Bluetooth 6
Upgrades
Memory: LPDDR5x on board (max 64GB). Storage: 1x M.2 SSD slot (NVMe PCIe Gen4).
Charging
Charges over USB-C Power Delivery; MSI recommends a 65W or higher PD charger.
Package Contents & MSI Prestige Ordering Information
In the Box
MSI Prestige 14 AI+ D3MG-228SG notebook, 65W USB-C PD AC power adapter, quick start documentation
MSI Prestige Notebooks at SourceIT
| Model | Key configuration |
| Prestige 14 Flip AI+ D3MTG-215SG | 14" FHD+ OLED Touch / Core Ultra X7 358H / Intel Arc / 32GB / 1TB |
| Prestige 14 Flip AI+ D3MTG-227SG | 14" FHD+ OLED Touch / Core Ultra 9 386H / Intel Graphics / 32GB / 1TB |
| Prestige 14 AI+ D3MG-228SG (this listing) | 14" FHD+ OLED / Core Ultra 7 355 / Intel Graphics / 32GB / 1TB |
Datasheet & Downloads
| MSI product page | Prestige 14 AI+ D3M on msi.com |
| Specifications | Prestige 14 AI+ D3M specifications |
| Drivers, manuals & BIOS | Prestige 14 AI+ D3M support |
Frequently Asked Questions — MSI Prestige 14 AI+ D3MG-228SG
What processor and graphics does the Prestige 14 AI+ D3MG-228SG have?
Intel® Core™ Ultra 7 355 with Intel Graphics.
How much memory and storage is installed?
32GB LPDDR5x (on board) and 1TB NVMe PCIe SSD. Platform support: LPDDR5x on board (max 64GB); 1x M.2 SSD slot (NVMe PCIe Gen4).
What is the display?
14" 16:10 FHD+ (1920 x 1200) OLED , 100% DCI-P3 (Typ.); SGS low blue light & flicker-free.
Can I connect external monitors?
Yes — via 2x Thunderbolt™ 4 (DisplayPort™ / Power Delivery 3.0) and 1x HDMI™ 2.1 (8K @ 60Hz / 4K @ 120Hz).
How heavy is it and how big is the battery?
1.32 kg, 4-cell, 81Whr battery, 65W USB-C PD adapter.
What operating system is installed?
Windows® 11 Home.
What warranty do I get?
2-year on-site MSI warranty in Singapore through the authorised local distributor. Supplied by SourceIT with a GST invoice.
