M.2 vs SSD vs HDD: Difference and Comparison

Key Takeaways

  1. HDDs (Hard Disk Drives) are traditional mechanical storage devices with spinning disks and moving read/write heads. They offer larger storage capacities at a lower cost but have slower read and write speeds and are more prone to mechanical failures.
  2. SSDs (Solid State Drives) use NAND flash memory and have no moving parts. They are faster, more durable, and consume less power than HDDs. However, they are more expensive and come in various form factors, such as 2.5-inch or PCIe-based M.2 drives.
  3. M.2 drives are a type of SSD that follow the M.2 form factor specification. They offer a smaller, more compact design, often using PCIe interfaces for faster speeds. M.2 drives are commonly used in laptops and desktops with limited space but are more expensive than standard SSDs.

What is M.2?

M.2, formerly known as Next Generation Form Factor (NGFF), is a type of small form factor (SFF) solid-state drive (SSD) that is used in modern computers and other electronic devices. M.2 SSDs are small and thin, allowing them to fit into ultra-thin laptops, tablets, and other devices with limited space.

/10

IT Quiz

Test your knowledge about topics related to technology

1 / 10

What is Artificial Intelligence?

2 / 10

For which of the following Android is mainly developed?

3 / 10

Which mobile company first introduced Emoji internationally on their mobile devices

4 / 10

The main function of smart assistants like Apple Siri and Amazon Alexa is

5 / 10

Android is -

6 / 10

Which of the following semiconductor is mostly used to construct electronic circuits?

7 / 10

WWW Stands for

8 / 10

The app or software, or website asks about access of your location, camera, storage, contacts etc., are known as

9 / 10

Which of the following is defined as an attempt to steal, spy, damage or destroy computer systems, networks, or their associated information?

10 / 10

Firewall in computer is used for

Your score is

0%

M.2 SSDs use the PCIe (Peripheral Component Interconnect Express) interface, which is faster than the traditional SATA (Serial Advanced Technology Attachment) interface used in conventional hard drives and SSDs. This allows M.2 SSDs to deliver faster read and write speeds, improving overall system performance.

We found the best deal(s) on Amazon for you

# Preview Product
1 Samsung 970 EVO Plus SSD 2TB... Samsung 970 EVO Plus SSD 2TB NVMe M.2 Internal Solid State Hard Drive, V-NAND Technology, Storage...
2 SAMSUNG 980 PRO SSD 2TB PCIe... SAMSUNG 980 PRO SSD 2TB PCIe NVMe Gen 4 Gaming M.2 Internal Solid State Drive Memory Card + 2mo...

What is SSD?

SSD stands for Solid State Drive, a computer and electronic device storage device. Unlike traditional hard disk drives (HDDs) that use spinning disks to read and write data, SSDs use flash memory chips to store and retrieve data quickly.

SSDs are faster and more reliable than HDDs because they have no moving parts, which makes them less susceptible to physical damage and data loss due to mechanical failure. SSDs are also less susceptible to heat, noise, and vibration, making them ideal for laptops, desktops, and other electronic devices.

We found the best deal(s) on Amazon for you

# Preview Product
1 SAMSUNG 870 EVO SATA III SSD... SAMSUNG 870 EVO SATA III SSD 1TB 2.5” Internal Solid State Drive, Upgrade PC or Laptop Memory and...
2 SanDisk 1TB Extreme Portable... SanDisk 1TB Extreme Portable SSD - Up to 1050MB/s - USB-C, USB 3.2 Gen 2 - External Solid State...

What is HDD?

HDD stands for Hard Disk Drive, a type of storage device used in computers and other electronic devices. HDDs use spinning disks to read and write data, with a read/write head moving back and forth over the disk to access different data areas.

HDDs are slower and less reliable than SSDs because they have moving parts, which can lead to physical damage and data loss due to mechanical failure. HDDs are also more susceptible to heat, noise, and vibration, making them less ideal for laptops and other portable electronic devices.

We found the best deal(s) on Amazon for you

# Preview Product
1 Seagate ST8000DM008 BarraCuda... Seagate ST8000DM008 BarraCuda 8TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB...
2 Seagate Portable 2TB External... Seagate Portable 2TB External Hard Drive HDD — USB 3.0 for PC, Mac, PlayStation, & Xbox -1-Year...

Difference Between M.2, SSD, and HDD

  1. M.2 is a form factor of SSD, while SSD and HDD have different form factors. M.2 is smaller and more compact than traditional 2.5-inch SSDs and HDDs, allowing it to fit into ultra-thin laptops and other devices with limited space.
  2. M.2 and SSDs are faster than HDDs because they have no moving parts, allowing faster read and write speeds. M.2 SSDs are the fastest of the three due to their use of the PCIe interface, which provides faster data transfer rates.
  3. HDDs have larger storage capacities than SSDs and M.2 SSDs, making them ideal for storing large amounts of data, such as multimedia files, backups, and archives. However, SSDs and M.2 SSDs are becoming more common with larger storage capacities.
  4. M.2 and SSDs are more reliable than HDDs because they have no moving parts, which makes them less susceptible to physical damage and data loss due to mechanical failure. HDDs are more prone to failure due to their moving parts, which can wear out over time.
  5. HDDs are generally less expensive than SSDs and M.2 SSDs, making them a cost-effective option for storing large amounts of data. However, SSDs and M.2 SSDs have declined recently, making them more affordable and accessible for consumers.

Comparison Between M.2, SSD, and HDD

Parameters of ComparisonM.2SSDHDD
Form factorSmall and compact2.5 inch3.5 inch
SpeedFastestFastSlow
CapacityLimitedUpto several TBsUpto several TBs
ReliabilityMore reliableMore reliableLess reliable
PriceExpensiveBecoming more affordableLess expensive
References
  1. https://ieeexplore.ieee.org/abstract/document/9292191/
  2. https://ieeexplore.ieee.org/abstract/document/8419631/
One request?

I’ve put so much effort writing this blog post to provide value to you. It’ll be very helpful for me, if you consider sharing it on social media or with your friends/family. SHARING IS ♥️

Leave a Comment

Your email address will not be published. Required fields are marked *

Want to save this article for later? Click the heart in the bottom right corner to save to your own articles box!