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Microsoft Surface Laptop 4 (13.5″) RAM & SSD Upgrade Guide (2026)

Microsoft Microsoft Surface Laptop 4 13 (2021) Specifications

The Microsoft Microsoft Surface Laptop 4 13 (2021) 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 Microsoft upgradeable models, visit the Microsoft Laptop Upgrades hub.

ComponentSpecification
ProcessorRyzen 5 4680U / i5-1145G7
RAMLPDDR4x, 0 slots (soldered)
Max RAM16GB (soldered)
StorageM.2 2230 NVMe PCIe Gen3, 1 slot
Charger65W Surface Connect
Ports1x USB-C 3.2, 1x USB 3.2, 1x Surface Connect
Display13.5″ PixelSense (2256×1504)
Weight1.27 kg (2.80 lbs)

Memory Upgrade Path

DDR4 and DDR5 RAM memory modules for laptop upgrades
DDR4 and DDR5 RAM memory modules for laptop upgrades

The Microsoft Surface Laptop 4 13 has soldered LPDDR4x RAM (16GB (soldered)) which cannot be upgraded after purchase. Select the maximum RAM configuration when buying.

Important: Since the RAM is not user-replaceable, we recommend opting for at least 16GB at purchase to ensure adequate performance for years to come.


Storage Expansion

NVMe SSD installed on circuit board
NVMe SSD installed on circuit board

The Microsoft Surface Laptop 4 13 uses an M.2 2230 NVMe SSD with a NVMe PCIe Gen3 interface. The single M.2 slot supports drives up to 2TB.

Recommended M.2 2230 SSDs:

  • WD SN740 2230 NVMe — Reliable compact SSD for the 2230 form factor.
  • Samsung PM991a 2230 — High-performance OEM SSD in compact 2230 size.
  • Kioxia BG5 2230 — Compact 2230 NVMe with good availability.

Note: M.2 2230 drives are less common than the standard 2280. Verify compatibility before purchasing.


Power Delivery & Charging

The Microsoft Surface Laptop 4 13 uses a 65W Surface Connect charger. The Surface Connect charger is proprietary. USB-C PD charging is also supported on most recent Surface devices.


Port & Docking Capabilities

Connectivity: 1x USB-C 3.2, 1x USB 3.2, 1x Surface Connect

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 Microsoft Surface Laptop 4 13 has a difficulty rating of 2/5 for upgrades (5 = easiest). The upgrade process is difficult — limited user-accessible components.

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 Microsoft Microsoft Surface Laptop 4 13?

The Microsoft Surface Laptop 4 13 has soldered RAM (16GB (soldered)) which cannot be upgraded after purchase. Choose the maximum RAM when buying.

What is the maximum RAM for the Microsoft Surface Laptop 4 13?

The Microsoft Surface Laptop 4 13 supports up to 16GB (soldered) of LPDDR4x memory.

What size SSD does the Microsoft Surface Laptop 4 13 use?

The Microsoft Surface Laptop 4 13 uses an M.2 2230 NVMe SSD. Make sure to purchase the correct form factor for compatibility.

What charger does the Microsoft Surface Laptop 4 13 need?

The Microsoft Surface Laptop 4 13 uses a 65W Surface Connect charger.

Is the Microsoft Surface Laptop 4 13 easy to upgrade?

The Microsoft Surface Laptop 4 13 has a difficulty rating of 2/5. Consider professional assistance for upgrades.


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
WD SN740 2230 NVMeReliable compact SSD for the 2230 form factor.View on Amazon UK
Samsung PM991a 2230High-performance OEM SSD in compact 2230 size.View on Amazon UK
Kioxia BG5 2230Compact 2230 NVMe with good availability.View on Amazon UK

Prices and availability may vary. As an Amazon Associate, we earn from qualifying purchases.

Related Dynabook Upgrade Guides

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