MSI MSI GS77 Stealth 12UHS (2022) Specifications
The MSI MSI GS77 Stealth 12UHS (2022) is an ultraportable laptop designed for productivity and portability. This guide covers RAM, SSD, charger compatibility, and upgrade paths for this model. For a comprehensive overview of all MSI upgradeable models, visit the MSI Laptop Upgrades hub.
| Component | Specification |
|---|---|
| Processor | i9-12900H + RTX 3080 Ti |
| RAM | DDR5, 2 slots (upgradeable) |
| Max RAM | 64GB |
| Storage | M.2 2280 NVMe PCIe Gen4, 2 slots |
| Charger | 230W Barrel |
| Ports | 1x USB-C 3.2, 2x USB 3.2, 1x HDMI 2.1, 1x RJ45 |
| Display | 17.3″ QHD IPS 240Hz |
| Weight | 2.5 kg (5.51 lbs) |
Memory Upgrade Path
The MSI GS77 Stealth 12UHS features 2 SO-DIMM slots for DDR5 RAM, allowing upgrades up to 64GB. Both slots are user-accessible, and the upgrade process is straightforward.
Recommended DDR5 RAM Upgrades:
- Corsair Vengeance DDR5 SO-DIMM — Premium DDR5 laptop memory with excellent compatibility.
- Kingston Fury Impact DDR5 SO-DIMM — High-performance DDR5 with solid heat dissipation.
- Crucial DDR5 SO-DIMM — Budget-friendly DDR5 with proven stability.
Storage Expansion
The MSI GS77 Stealth 12UHS uses a standard M.2 2280 NVMe SSD with a NVMe PCIe Gen4 interface. With 2 M.2 slots, you can run dual NVMe drives for expanded storage.
Recommended M.2 2280 SSDs:
- Samsung 990 Pro NVMe 2280 — Flagship NVMe SSD with exceptional speeds.
- WD Black SN850X 2280 — High-performance NVMe with excellent sustained writes.
- Crucial P5 Plus NVMe 2280 — Excellent value NVMe with strong real-world performance.
Power Delivery & Charging
The MSI GS77 Stealth 12UHS uses a 230W Barrel charger. This uses a proprietary barrel connector. Use the original charger or a compatible replacement rated for the same wattage.
Port & Docking Capabilities
Connectivity: 1x USB-C 3.2, 2x USB 3.2, 1x HDMI 2.1, 1x RJ45
A USB-C docking station like the Anker 577 USB-C Hub provides additional ports including HDMI, Ethernet, and USB-A.
Upgrade Difficulty & Tools Required
The MSI GS77 Stealth 12UHS has a difficulty rating of 3/5 for upgrades (5 = easiest). The upgrade process is moderate — requires careful handling of bottom panel clips.
Tools needed:
- Phillips screwdriver (M2.5 or similar)
- Plastic spudger or pry tool (for bottom panel clips)
- ESD wrist strap (optional but recommended)
We recommend backing up your data and consulting the official service manual before opening the chassis.
Frequently Asked Questions
Can I upgrade the RAM in the MSI MSI GS77 Stealth 12UHS?
Yes, the MSI GS77 Stealth 12UHS has 2 SO-DIMM slots for user-upgradeable DDR5 memory, supporting up to 64GB.
What is the maximum RAM for the MSI GS77 Stealth 12UHS?
The MSI GS77 Stealth 12UHS supports up to 64GB of DDR5 memory.
Can I add a second SSD to the MSI GS77 Stealth 12UHS?
The MSI GS77 Stealth 12UHS has 2 M.2 slots. You can add a second NVMe SSD.
What charger does the MSI GS77 Stealth 12UHS need?
The MSI GS77 Stealth 12UHS uses a 230W Barrel charger.
Is the MSI GS77 Stealth 12UHS easy to upgrade?
The MSI GS77 Stealth 12UHS has a difficulty rating of 3/5. Some care needed with bottom panel clips.
Recommended Products
These are the products we recommend based on this guide. All links go to Amazon UK where you can check current prices and availability.
| Product | Why We Recommend It | Amazon UK |
|---|---|---|
| Corsair Vengeance DDR5 SO-DIMM | Premium DDR5 laptop memory with excellent compatibility. | View on Amazon UK |
| Kingston Fury Impact DDR5 SO-DIMM | High-performance DDR5 with solid heat dissipation. | View on Amazon UK |
| Crucial DDR5 SO-DIMM | Budget-friendly DDR5 with proven stability. | View on Amazon UK |
| Samsung 990 Pro NVMe 2280 | Flagship NVMe SSD with exceptional speeds. | View on Amazon UK |
| WD Black SN850X 2280 | High-performance NVMe with excellent sustained writes. | View on Amazon UK |
| Crucial P5 Plus NVMe 2280 | Excellent value NVMe with strong real-world performance. | View on Amazon UK |
Prices and availability may vary. As an Amazon Associate, we earn from qualifying purchases.
Related MSI Upgrade Guides
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- MSI Upgrade Guide
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