How Big Should My Hard Drive Be? (2024)

Throughout my life, I’ve been using and building my own computers. I’ve used them for various reasons: School work, video and image storage, playing games, browsing, etc. During this time, I’ve upgraded the size of my hard drive multiple times to accommodate for the way I was using and storing data. That being said, I’d like to share my experience of hard drive storage usage based off the kind of data that might be stored on it.

At one point or another, I’ve been a student, gamer, office worker, (personal) video editor, and picture-taker. Every “profession” had one thing in common: I stored data on a hard drive. No matter which one I chose, maintaining all that data on one system required enough space. In my case, I’m currently using 2 terabytes of maximum capacity. Granted, I don’t use EVERY bit of possible space on my drive, but it covers all of my bases.

First Ask Yourself: What Will My Hard Drive Store?

You might not be like me. Maybe you just need a simple way to figure out your hard drive size for your home office as you continue working from home. Or you need a hard drive for more professional use, likephotography, video editing, creating music, or any other kind of artistic, data-heavy use.

Maybe you need to store the highest quality or quantity of images and videos. Or, if you are like me, you unpredictably pick up new hobbies and store all sorts of miscellaneous data on top of all your anticipated data. No matter what, there’s a decision to be made: The size of your hard drive.

I frequently have conversations with photographers that store a lot of the same data – in this case, images – on their external hard drives. They have conventional sizes of drives, but they archive these drives every year or so. Depending on your situation, the question changes from: “How big should my hard drive be?” to “How OFTEN do I want to archive a drive dedicated to specific types of data?” But that’s a discussion for another time.

For working from home and basic home office use, saving only files like Word docs, PowerPoints, spreadsheets, MP3s, images, etc. means you can go as low as 500GB. You might be able to go lower, but I wouldn’t go below this in order to leave some cushion for any unprecedented files or programs that may take up additional space. You also don’t want to push filling up the cap of your hard drive, as it will put more stress on your drive.

Note that this not applicable to solid-state drives (SSDs) since they do not have the same mechanical nature that causes hard drives to be stressed with increased data.

Now that we’ve got that out of the way, let’s break down exactly how much storage you might need on a hard drive.

Hard Drive Size by Usage

Light Usage (500GB – 1TB)

Typically for:

  • Home office

Types of files:

  • Documents
  • Small images (3-5MB)
  • Non-professional audio (5MB)

Moderate Usage (1TB – 4TB)

Typically for:

  • Photographers
  • Videographers
  • Video editors
  • Music producers
  • Game designers
  • Or anybody looking to make more use than a simple, uncommonly used home office

Types of files:

  • Photography (5MB)
  • Professional/high-quality audio (15 – 20MB)
  • SD videos (~1.5GB per 2 hours)
  • Small games (300MB – 4GB)

Heavy Usage (4TB+)

Typically for:

  • Content creators
  • Large collections of files
  • Combinations of any above-mentioned usage

Files:

  • HD movies (6-8GB)
  • Large games(10+ GB)

Picking a drive size depends not just on what type of data you want to store, but also how much. Maybe you want to delete it off your internal drive and store it on an external drive. For a general backup of your entire PC, I’d recommend getting a tier higher than what’s recommended above (i.e, if you have light usage, get a medium usage-ranged drive for external local backup).

Note that 500GB is about half of 1TB, so to figure out how many files will fit on 500GB, halve the number of files that will fit on 1TB of storage.

Where to Start

If you want a hard drive for general use, your safest bet is getting a 500GB – 1TB hard drive for storing files. That should be enough to cover most standard file storage needs. The price difference between a 500GB and 1TB is typically negligible, so I personally recommend going for a 1TB drive. This will cover the bases in case things start escalating and you’re using more space than you originally anticipated (like I did).

If you expect pretty intense and highly dedicated usage, you can explore larger drives, starting with 2TB.

Also, remember – no matter how large your hard drive is – to back up your data in case of hard drive failure. Whether you’re getting an internal replacement, an external solution, or an entirely new system, I hope this helps get you on the right path to picking the perfect hard drive for you.

How Big Should My Hard Drive Be? (2024)

FAQs

How Big Should My Hard Drive Be? ›

Of course, almost every size in between is represented, so you can be sure there'll be something to suit your needs. Generally, the most popular hard drive capacities are 1TB or 2TB, so, if you're undecided, you can't really go wrong with a 1TB hard drive.

How big should your hard drive be? ›

If you want a hard drive for general use, your safest bet is getting a 500GB – 1TB hard drive for storing files. That should be enough to cover most standard file storage needs. The price difference between a 500GB and 1TB is typically negligible, so I personally recommend going for a 1TB drive.

How full should a 1TB hard drive be? ›

It's generally advisable to keep at least 10-15% of your 1TB hard drive's capacity free for optimal performance. For a 1TB hard drive, having around 100-150 GB of free space is a good guideline.

What is the capacity of a hard drive measured in answer? ›

The capacity of a hard drive is measured in megabytes (MB), gigabytes (GB), and terabytes (TB). This is different from RAM (Random Access Memory), which is temporary computer storage that requires electricity to store data, making it volatile memory—it only stores data when the computer is turned on.

How do I know my hard drive size? ›

Go to Settings > System > Storage and you can see the storage usage of each drive, including the amount of free space available.

How much GB is a hard drive? ›

This range is generally considered an entry point for HDD devices such as laptops or computers. 500 GB, 1 TB and 2 TB. Around 500 GB and above of HDD storage is typically considered decent for an average user. Users can most likely store all their music, photos, videos and other files with this much space.

What is the size limit of a hard drive? ›

As of 2020 SSDs started to compete with HDDs. As of January 2024, the largest hard drive is 32 TB (while SSDs can be much bigger at 100 TB, mainstream consumer SSDs cap at 8 TB). Smaller, 2.5-inch drives, are available at up to 2 TB for laptops, and 5 TB as external drives.

Can full hard drive slow a computer? ›

If your hard drive is full or nearly full, it slows down your computer. The operating system doesn't have enough free space to work adequately, resulting in your PC running slow and your files taking too long to open, among other effects. Freeing up some disk space on your PC may improve its performance.

How full should your SSD be? ›

The operating system needs around 20% of the SSD space to be free for it to function properly. If you find yourself with a “Disk Full” error message or experience poor performance due to insufficient space on your SSD, you're not the only one!

Is 6TB a lot of storage? ›

A 6TB storage capacity provides ample space for storing a vast amount of data, including documents, photos, videos, music, and more. It can accommodate thousands of high-resolution photos, hundreds of hours of HD video, or even an extensive library of digital files.

How do I calculate my hard drive capacity? ›

The total megabyte capacity of the hard drive is calculated as follows: Megabytes = (512 * cylinders * heads * sectors-per-track) / (1024*1024) The number 512 is due to the fact that there are 512 bytes per sector on most hard disks.

What are the weakness of hard drive? ›

Mechanical failures are the most common causes of hard disk failure. Mechanical failures are caused by wear and tear of the disks and other components due to frequent use. Additionally, HDDs are susceptible to overheating, which can cause the disks to become warped, resulting in data loss.

What are typical hard drive capacities? ›

Common disk capacity sizes for HDDs include 500GB, 1TB, 2TB, and 4TB. However, larger sizes such as 6TB, 8TB, and even 16TB are becoming more common as the demand for larger storage capacities increases.

How big should a hard drive be? ›

The most common sizes for external hard drives are 500GB, 1TB, and 2TB. Some smaller and larger sizes are available as well. The amount of storage capacity does not affect the type of data that can be stored on the hard drive.

Is hard drive size same as storage? ›

However, disk space and storage often refer to the same thing – hard drive storage. Storage is a more general term that can refer to any type of device or medium that is used to save data, including RAM, SSDs, USB flash drives, and optical disks.

How do I know if my hard drive is full? ›

To check the total disk space left on your Windows 10 device, select File Explorer from the taskbar, and then select This PC on the left. The available space on your drive will appear under Devices and drives.

Is 256 GB hard drive Big Enough? ›

If your computer can install multiple drives, a 256GB SSD is enough for daily use. You can install the 256GB SSD and one or more HDDs into the computer. Then, the OS and some frequently-used programs are installed on the SSD drive while documents and other programs are kept on the HDDs.

Is 500GB HDD good for gaming? ›

Capacity. Some games can reach over 250GB when you factor in downloadable content, so gamers typically opt for drives between 500GB and 2TB. Many gamers use a combination of internal and external drives in different configurations to work with their budgets and needs for fast load times.

What is the best size hard drive for a PC? ›

While you can get capacities as small as 500GB, the 2TB model hits a sweet spot by balancing high performance and affordability. Since this drive combines 7,200rpm platters and high density data, so computers outfitted with this drive will be able to read data as fast as you'll get with an HDD.

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