What Is the M.2 Expansion Slot and how can I use it?

The M.2 expansion slot is a small, rectangular connector on modern motherboards that allows you to add solid-state storage, Wi-Fi modules, and other expansion cards to your computer. In this tutorial, we will explain what the M.2 expansion slot is and how you can use it to expand the functionality of your computer.

What Is the M.2 Expansion Slot?

The M.2 expansion slot, also known as the Next Generation Form Factor (NGFF) connector, is a newer type of expansion slot designed to replace older connectors like SATA and PCI Express Mini Card. The M.2 slot is smaller than these older connectors, making it ideal for thin and lightweight devices like laptops and small form factor desktops.

The M.2 slot is designed to support high-speed interfaces like PCI Express and SATA, which allows you to add solid-state drives (SSDs), Wi-Fi modules, and other expansion cards that require high-speed data transfer. M.2 SSDs are becoming increasingly popular due to their small size, high speeds, and compatibility with the latest motherboards.

Types of M.2 Slots

There are several types of M.2 slots available on modern motherboards, and it’s important to know which type you have before purchasing an M.2 device. The most common types of M.2 slots are:

  1. M.2 Key B: This slot supports SATA and PCIe x2 or x4 interfaces and is used for SSDs and Wi-Fi modules.
  2. M.2 Key M: This slot supports PCIe x4 or x2 interfaces and is used for high-performance SSDs.
  3. M.2 Key E: This slot supports PCIe x1 and USB 2.0 interfaces and is used for Wi-Fi and Bluetooth modules.

How to Install an M.2 Device

Installing an M.2 device is relatively straightforward, but it’s important to follow the correct steps to avoid damaging your device or motherboard. Here’s how to install an M.2 SSD:

  1. First, make sure your motherboard supports M.2 devices and locate the M.2 slot on your motherboard. The location of the slot may vary depending on the motherboard model, so refer to the manual for specific instructions.
  2. Gently insert the M.2 device into the slot at a 30-degree angle, making sure the notches on the device align with the key on the slot.
  3. Press down on the device until it clicks into place. The device should be flush with the motherboard.
  4. Finally, secure the M.2 device with the screw provided with your motherboard.

How to Configure an M.2 Device

Once you’ve installed an M.2 device, you may need to configure it in your computer’s BIOS or UEFI settings. Here’s how to do it:

  1. Power on your computer and enter the BIOS or UEFI settings. The key to access these settings may vary depending on the motherboard model, so refer to the manual for specific instructions.
  2. Locate the “Storage” or “Boot” settings and make sure the M.2 device is recognized by your computer. If it’s not, make sure it’s properly installed and try again.
  3. If you’re installing an M.2 SSD as your primary boot drive, you may need to change the boot order to prioritize the M.2 drive.
  4. Finally, save your changes and exit the BIOS or UEFI settings.

Conclusion

The M.2 expansion slot is a versatile connector that allows you to add solid-state storage, Wi-Fi modules, and other expansion cards to your computer. By following the steps outlined above, you can easily install and configure an M.2 device on your motherboard and take advantage of the latest high-speed interfaces. Always refer to