Surface 44W/65W/102W Power Supply with Magnetic Connector – Detailed Specifications & Compatibility
When it comes to keeping your Microsoft Surface devices powered up, the Surface Power Supply plays a vital role. With a range of 44W, 65W, and 102W options, this power supply is designed to meet the needs of various Surface models while ensuring fast, reliable, and safe charging.
In this post, we’ll dive into the technical specifications for the Surface Power Supply options, including their compatibility with different Surface devices and how to choose the right one based on your laptop’s requirements.

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 Technical Specifications – Surface Power Supply (Magnetic Connector)
The Surface Power Supply with a magnetic connector provides an excellent charging experience with Surface devices, preventing accidental disconnections and offering an extra layer of safety with the magnetic mechanism.
Let’s break down the different power supply models and their specs.
 Surface 44W Power Supply (Magnetic Connector)

Feature	Specification
Power Output	44 Watts
Input Voltage	100–240V AC, 50/60Hz
Output Voltage	12V DC (Standard for 44W)
Output Current	3.58A
Connector Type	Magnetic Connector (2-pin connector)
Cable Length	Approx. 1.8 meters
Compatibility	Surface Go, Surface Pro 3, Surface Pro 4, Surface 3
Safety Features	Overvoltage protection, overcurrent protection, short-circuit protection
Weight	~210g
Warranty	12 Months (varies by seller)
Color	Black

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 Surface 65W Power Supply (Magnetic Connector)

Feature	Specification
Power Output	65 Watts
Input Voltage	100–240V AC, 50/60Hz
Output Voltage	15V DC (Standard for 65W)
Output Current	4.4A
Connector Type	Magnetic Connector (2-pin connector)
Cable Length	Approx. 1.8 meters
Compatibility	Surface Pro 5, Surface Pro 6, Surface Laptop 2, Surface Book 2
Safety Features	Overvoltage protection, overcurrent protection, short-circuit protection
Weight	~250g
Warranty	12 Months (varies by seller)
Color	Black

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 Surface 102W Power Supply (Magnetic Connector)

Feature	Specification
Power Output	102 Watts
Input Voltage	100–240V AC, 50/60Hz
Output Voltage	15V DC (Standard for 102W)
Output Current	6.8A
Connector Type	Magnetic Connector (2-pin connector)
Cable Length	Approx. 1.8 meters
Compatibility	Surface Book 1, Surface Book 2, Surface Laptop 3, Surface Studio
Safety Features	Overvoltage protection, overcurrent protection, short-circuit protection
Weight	~300g
Warranty	12 Months (varies by seller)
Color	Black

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 Which Surface Power Supply Should You Choose?
Choosing the correct power supply for your Microsoft Surface device is essential for optimal charging speed and safety. Here’s a quick guide to help you pick the right one:

Device	Required Power Supply
Surface Go	44W
Surface Pro 3 / 4	44W
Surface Pro 5 / 6	65W
Surface Laptop 2	65W
Surface Book 1 / 2	102W
Surface Laptop 3	102W
Surface Studio	102W

 Important: Always use the recommended power supply to ensure your device charges efficiently and safely. Using a charger with lower wattage might lead to slower charging or no charging at all if your device is under heavy use.

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 Benefits of the Magnetic Connector
The magnetic connector on the Surface power supply offers several advantages:
Safe Disconnect – The magnetic connection ensures that if the cable is pulled accidentally, it detaches safely without damaging the device or the port.
Convenience – Easily connect and disconnect your charger with one hand, perfect for quick setups at home or the office.
Durability – The robust connector ensures a long-lasting, reliable connection while maintaining portability.

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 What’s Included in the Box?
Surface Power Supply (44W, 65W, or 102W)
Power Cable (detachable)
User Manual & Warranty Information