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MSI Thin 15 B12UCX — RAM, SSD & Charger Compatibility Guide (2022)

MSI MSI Thin 15 B12UCX (2022) Specifications

The MSI MSI Thin 15 B12UCX (2022) is a versatile laptop offering solid performance for everyday computing. 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.

ComponentSpecification
ProcessorIntel Core i7-12700H + RTX 3050
RAMDDR4, 2 slots (upgradeable)
Max RAM64GB
StorageM.2 2280 NVMe PCIe Gen4, 2 slots
Charger150W Barrel
Ports1x USB-C 3.2, 2x USB 3.2, 1x HDMI 2.0, 1x RJ45
Display15.6″ IPS 144Hz
Weight1.86 kg (4.10 lbs)

Memory Upgrade Path

SO-DIMM laptop RAM module with gold contacts
SO-DIMM laptop RAM module with gold contacts

The MSI Thin 15 B12UCX features 2 SO-DIMM slots for DDR4 RAM, allowing upgrades up to 64GB. Both slots are user-accessible, and the upgrade process is straightforward.

Recommended DDR4 RAM Upgrades:

  • Corsair Vengeance DDR4 SO-DIMM — Reliable DDR4 laptop memory with wide compatibility.
  • Kingston Fury Impact DDR4 SO-DIMM — Compact high-performance DDR4 for laptops.
  • Crucial DDR4 SO-DIMM — Affordable DDR4 with solid performance.

Storage Expansion

M.2 NVMe SSD solid state drive
M.2 NVMe SSD solid state drive

The MSI Thin 15 B12UCX 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 Thin 15 B12UCX uses a 150W 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 2.0, 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 Thin 15 B12UCX has a difficulty rating of 4/5 for upgrades (5 = easiest). The upgrade process is straightforward — standard screws and easy component access.

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 Thin 15 B12UCX?

Yes, the MSI Thin 15 B12UCX has 2 SO-DIMM slots for user-upgradeable DDR4 memory, supporting up to 64GB.

What is the maximum RAM for the MSI Thin 15 B12UCX?

The MSI Thin 15 B12UCX supports up to 64GB of DDR4 memory.

Can I add a second SSD to the MSI Thin 15 B12UCX?

The MSI Thin 15 B12UCX has 2 M.2 slots. You can add a second NVMe SSD.

What charger does the MSI Thin 15 B12UCX need?

The MSI Thin 15 B12UCX uses a 150W Barrel charger.

Is the MSI Thin 15 B12UCX easy to upgrade?

The MSI Thin 15 B12UCX has a difficulty rating of 4/5. Standard screws and clear access to components.


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.

ProductWhy We Recommend ItAmazon UK
Corsair Vengeance DDR4 SO-DIMMReliable DDR4 laptop memory with wide compatibility.View on Amazon UK
Kingston Fury Impact DDR4 SO-DIMMCompact high-performance DDR4 for laptops.View on Amazon UK
Crucial DDR4 SO-DIMMAffordable DDR4 with solid performance.View on Amazon UK
Samsung 990 Pro NVMe 2280Flagship NVMe SSD with exceptional speeds.View on Amazon UK
WD Black SN850X 2280High-performance NVMe with excellent sustained writes.View on Amazon UK
Crucial P5 Plus NVMe 2280Excellent 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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