8 Best External Hard Drives under $100 in 2026

Contents
  1. The Top 8
  2. Top 8 External Hard Drives Reviewed in Detail
  3. 1. Best Overall
  4. 2. Best Compact
  5. 3. Best for Small Spaces
  6. 4. Most Versatile
  7. 5. Best Splurge
  8. 6. Best Premium
  9. 7. Best Design
  10. 8. Best for Beginners
  11. External Hard Drives Compared Side by Side
  12. How We Reviewed
  13. What to look for
  14. How to Choose External Hard Drives
  15. Frequently asked questions

Finding the best external hard drive under 100 can be hard. The Seagate 2TB Portable Hard Drive is the top pick because it offers 2TB of storage and works with both Windows and Mac. If you need to save money, the Seagate Portable 1TB Drive is a solid choice. You get 1TB of storage, but you lose some space compared to the top pick.

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The Top 8

1
YOTUO 500GB External Hard Drive, Portable Storage Expansion HDD, USB 3.0 & USB-C for PC, Mac, Desktop, Laptop, Smartphone, PS4, Xbox One, Xbox 360, Office & Game Black
YOTUO 500GB External Hard Drive, Portable Storage Expansion HDD, USB 3.0 & USB-C for PC, Mac, Desktop, Laptop, Smartphone, PS4, Xbox One, Xbox 360, Office &…
Amazon.com
2
UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0
UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0
Amazon.com
3
Maxone 500GB Ultra Slim Portable External Hard Drive HDD USB 3.0 Compatible with PC, Laptop, Charcoal Grey
Maxone 500GB Ultra Slim Portable External Hard Drive HDD USB 3.0 Compatible with PC, Laptop, Charcoal Grey
Amazon.com
4
YOTUO 1TB External Hard Drive, USB C Multiport Hub HDD 7-in-1, USB 3.0, SD/TF Card Reader, Docking Station, Multi-Function HDD for Windows, Mac, Android, TV, iPhone 15/16/17, Laptop, Desktop, PC
YOTUO 1TB External Hard Drive, USB C Multiport Hub HDD 7-in-1, USB 3.0, SD/TF Card Reader, Docking Station, Multi-Function HDD for Windows, Mac, Android, TV,…
Amazon.com
5
Seagate Portable 1TB External Hard Drive HDD – USB 3.0 for PC, Mac, PlayStation, & Xbox, 1-Year Rescue Service (STGX1000400) , Black
Seagate Portable 1TB External Hard Drive HDD – USB 3.0 for PC, Mac, PlayStation, & Xbox, 1-Year Rescue Service (STGX1000400) , Black
Amazon.com
6
Seagate 2TB Portable Hard Drive | USB 3.0 (STGX2000400)
Seagate 2TB Portable Hard Drive | USB 3.0 (STGX2000400)
Amazon.com
7
WD 2TB Elements Portable External Hard Drive for Windows, USB 3.2 Gen 1/USB 3.0 for PC & Mac, Plug and Play Ready - WDBU6Y0020BBK-WESN
WD 2TB Elements Portable External Hard Drive for Windows, USB 3.2 Gen 1/USB 3.0 for PC & Mac, Plug and Play Ready – WDBU6Y0020BBK-WESN
Amazon.com
8
Seagate Portable 4TB External Hard Drive HDD – USB 3.0, 1-Year Rescue
Seagate Portable 4TB External Hard Drive HDD – USB 3.0, 1-Year Rescue
Amazon.com

These are the strongest picks that come in under $100, cheapest first.

Top 8 External Hard Drives Reviewed in Detail

Here’s a look at the best external hard drives available for under 100.

1. Best Overall

YOTUO 500GB External Hard Drive, Portable Storage Expansion HDD, USB 3.0 & USB-C for PC, Mac, Desktop, Laptop, Smartphone, PS4, Xbox One, Xbox 360, Office &…

$36.99 $39.99
PRIMEPRIME
in stock
Amazon.com
  • 【Versatile Storage Expansion – For Gaming, Work & Everyday Use】 Running out of space on your PS5 or Xbox Series X/S? This external hard drive lets you store and play PS4 / Xbox One games directly, instantly freeing up your console’s internal storage for next‑gen titles. At the same time, it handles work file backups, media libraries, and cross‑device data transfers with ease. One drive, all your needs. *(Note: PS5 / Xbox Series X|S games cannot be run or stored directly from the external hard drive. However, by offloading your PS4 / Xbox One games, you can free up valuable space for newer titles.)*
  • 【Patented Silicone Sleeve – Data Protection You Can Count On】 Worried about drops? We’ve got you covered. The patented built‑in silicone sleeve acts like a shock‑absorbing armor, cushioning your drive against bumps and falls. Whether it’s important work documents, precious family photos, or hard‑earned game saves, your data deserves this level of protection.
  • 【Plug & Play, Compatible with Computers & Consoles】 No complicated setup—just plug in and go. Works seamlessly with Windows, Mac, and Linux computers, as well as PS4, PS5, Xbox One, and Xbox Series X/S. Process files at the office, back up data at home, or enjoy gaming in your downtime—one drive handles all your devices, simply and hassle‑free.
  • 【USB 3.0 Ultra‑Fast Transfer – No More Waiting】 Tired of watching progress bars crawl? With USB 3.0 speeds up to 5Gbps, large files transfer in seconds. Whether you’re moving work documents, transferring hundreds of gigs of games, or backing up a year’s worth of photos, you get more done in less time.
  • 【Sleek, Lightweight, and Ready to Go】 Weighing just 0.16 kg—lighter than a can of soda—this compact drive features a stylish mirror‑and‑frosted finish. Toss it in your bag and go, whether you’re heading to the office, visiting a friend for a gaming session, or giving a presentation on the road.
Updated: 21 hours ago

The Seagate 2TB Portable Hard Drive is a top choice for users needing storage. It offers 2TB capacity, making it perfect for files, photos, and videos. It is lightweight and portable, allowing you to carry it easily. Compared to other models, it provides the most storage for the price. Many users appreciate its plug-and-play design for quick setup. However, it may not have advanced features like shock resistance, which some may prefer.

Pros

  • 2TB of storage for large amounts of data.
  • Compatible with both Windows and Mac.
  • Plug-and-play setup for easy use.

Cons

  • No advanced durability features.
  • Not waterproof or water-resistant.

Best for: Users needing large storage. Not ideal for: Those who need rugged models or extra protection.

This is a reliable choice for anyone needing portable storage.

2. Best Compact

UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0

$37.46 $39.43
PRIMEPRIME
in stock
Amazon.com
  • [Upgraded Version] – This external hard drive features a mirrored logo stripe combined with a striped anti-slip design, and the rounded corners of the casing make it easier to grip. The stripes also have a heat dissipation function, ensuring stable and fast data transfer.
  • 【Ultra-thin and quiet】 – The motherboard adopts JMicron 578 noise-free solution, giving you a quiet working environment. Lightweight and portable size designed to fit in your pocket for easy portability.
  • 【Ultra-Fast Data Transfers】 – Pairing this external hard drive with JMicron 578 solution USB 3.0 and USB 2.0 interfaces enables blazing-fast data transfer. It boasts theoretical read speeds of up to 125MB/s and write speeds of up to 103MB/s.
  • 【Plug and Play】 – With no software to install, just plug it in and the drive is ready to use.The hard disk chip is wrapped with an aluminum anti-interference layer to increase heat dissipation and protect data.
  • 【What You Get】 – 1 x Portable Hard Drive, 1 x USB 3.0 Cable, 1 x User Manual, Gift-type shell packaging ,Three-year manufacturer’s warranty and free technical support services.
Updated: 21 hours ago

The Seagate Portable 1TB External Hard Drive is another good option. It provides 1TB of storage, which is adequate for personal use. The compact design makes it easy to transport. Compared to larger drives, it is lighter and more affordable. However, users with larger storage needs may find it limiting.

Pros

  • 1TB capacity for everyday users.
  • Compact size for easy transport.
  • Compatible with various devices.

Cons

  • Less capacity compared to other models.
  • May need reformatting for Mac users.

Best for: Casual users with moderate storage needs. Not ideal for: Users needing large storage capacity.

This drive is great for light users who need a reliable option.

3. Best for Small Spaces

Maxone 500GB Ultra Slim Portable External Hard Drive HDD USB 3.0 Compatible with PC, Laptop, Charcoal Grey

$37.59 $39.99
in stock
Amazon.com
  • Ultra Slim and Sturdy Metal Design: Merely 0.4 inch thick. All-Aluminum anti-scratch model delivers remarkable strength and durability, keeping this portable hard drive running cool and quiet.
  • Compatibility: It is compatible with Microsoft Windows 7/8/10, and provides fast and stable performance for PC, Laptop.
  • Improve PC Performance: Powered by USB 3.0 technology, this USB hard drive is much faster than – but still compatible with – USB 2.0 backup drive, allowing for super fast transfer speed at up to 5 Gbit/s.
  • Plug and Play: This external drive is ready to use without external power supply or software installation needed. Ideal extra storage for your computer.
  • What’s Included: Portable external hard drive, 19-inch(48.26cm) USB 3.0 hard drive cable, user’s manual, 3-Year manufacturer warranty with free technical support service.
Updated: 21 hours ago

The Seagate Portable 4TB External Hard Drive stands out for capacity. It provides an impressive 4TB of storage, making it ideal for users with large collections. The USB 3.0 connection ensures fast data transfer. While it excels in capacity, it is bulkier than smaller models. This may limit portability for some users.

Pros

  • 4TB capacity for extensive storage needs.
  • USB 3.0 for quick data transfers.
  • Compatible with both Windows and Mac.

Cons

  • Bulkier than more compact options.
  • Higher price compared to smaller drives.

Best for: Users with extensive data storage needs. Not ideal for: Those needing a lightweight model.

This option is best for users with large files who need ample storage.

4. Most Versatile

YOTUO 1TB External Hard Drive, USB C Multiport Hub HDD 7-in-1, USB 3.0, SD/TF Card Reader, Docking Station, Multi-Function HDD for Windows, Mac, Android, TV,…

$86.99 $94.75
PRIMEPRIME
in stock
Amazon.com
  • All-in-One Design: 1TB external hard drive, multi-port hub and SD/TF card reader combine to provide ample storage and comprehensive connectivity in a single device for seamless multi-device connectivity to enhance your productivity.
  • Multiple Interface Support: The product has a built-in 1TB hard disk and supports USB-C, USB 3.2, USB 2.0, SD card slot and TF card slot, which meets the needs of daily work. The product connects to the computer via data cable to realize multi-device interoperability.
  • Dual Socket Data Connection Cable: Equipped with USB 3.2 and USB-C dual socket data connection cable, suitable for more models.
  • Wide compatibility: Supports Windows, Mac OS, Linux, Android, iOS (iPhone 15 and Later) and other operating systems. Support Desktops, Laptops, SmartPhones, Tablets, TVs and other devices.
  • Note: This is only compatible with Apple devices that have a USB‑C port (including iPhone 15 and later, as well as all iPads with USB‑C). Using a Lightning to USB‑C adapter will not resolve the compatibility issue.
  • Portable and efficient: Integration of multiple ports, compact and lightweight design is easy to carry, solving the problem of port limitation of laptop and desktop computers; at the same time, it realizes fast, on-the-go data access and device expansion and inter-device interoperability transfer function.
  • Enhanced Productivity: One-stop connectivity solution reduces the need for multiple adapters, streamlines workflows, and improves overall efficiency for professionals and creative users.
Updated: 21 hours ago

The WD 2TB Elements Portable External Hard Drive is made for users looking for versatility. It supports both Windows and Mac and offers 2TB of space. The plug-and-play feature means setup is simple. However, it may not have the same high-speed performance as SSDs. This could affect data transfer times for large files.

Pros

  • 2TB of storage for diverse needs.
  • Plug-and-play design for quick setup.
  • Compatible with PC and Mac.

Cons

  • Slower than SSD alternatives.
  • Limited speed for large file transfers.

Best for: Users needing flexible storage options. Not ideal for: Those requiring fast data transfer rates.

This drive is a good balance of capacity and ease of use.

5. Best Splurge

Seagate Portable 1TB External Hard Drive HDD – USB 3.0 for PC, Mac, PlayStation, & Xbox, 1-Year Rescue Service (STGX1000400) , Black

$119.80
in stock
Amazon.com
  • Easily store and access 1TB to content on the go with the Seagate Portable Drive, a USB external hard drive.Specific uses: Personal
  • Designed to work with Windows or Mac computers, this external hard drive makes backup a snap just drag and drop. Reformatting may be required for Mac
  • To get set up, connect the portable hard drive to a computer for automatic recognition no software required
  • This USB drive provides plug and play simplicity with the included 18 inch USB 3.0 cable
  • The available storage capacity may vary.
Updated: 21 hours ago

The Sandisk 2TB Extreme Portable SSD shines in speed and durability. It offers up to 1050MB/s read speed, providing quick access to files. The water and dust resistance add a layer of protection. However, it is pricier than traditional hard drives. Users looking for budget options may find it out of reach.

Pros

  • Up to 1050MB/s read speed.
  • Water and dust resistant for durability.
  • Compact design for easy transport.

Cons

  • Higher price than HDDs.
  • Limited capacity compared to some HDDs.

Best for: Users prioritizing speed and durability. Not ideal for: Those on a strict budget.

This drive is a premium option for those needing speed and security.

6. Best Premium

Seagate 2TB Portable Hard Drive | USB 3.0 (STGX2000400)

$129.99 $149.99
in stock
Amazon.com
  • Easily store and access 2TB to content on the go with the Seagate Portable Drive, a USB external hard drive
  • Designed to work with Windows or Mac computers, this external hard drive makes backup a snap just drag and drop
  • To get set up, connect the portable hard drive to a computer for automatic recognition no software required
  • This USB drive provides plug and play simplicity with the included 18 inch USB 3.0 cable
  • The available storage capacity may vary.
Updated: 21 hours ago

The YOTUO 500GB External Hard Drive is compact and versatile. It suits gamers and everyday users alike. The USB 3.0 and USB-C connections provide flexibility in use. While 500GB may be enough for light tasks, it may not meet the needs of heavy users. Some might find themselves limited by the lower storage capacity.

Pros

  • 500GB storage suitable for light use.
  • USB 3.0 and USB-C connections for compatibility.
  • Compact design for easy storage.

Cons

  • Limited storage for heavy users.
  • Not ideal for extensive gaming libraries.

Best for: Casual users and gamers. Not ideal for: Users needing high storage capacity.

This drive is suitable for light storage needs and portability.

7. Best Design

WD 2TB Elements Portable External Hard Drive for Windows, USB 3.2 Gen 1/USB 3.0 for PC & Mac, Plug and Play Ready – WDBU6Y0020BBK-WESN

$134.00 $164.99
in stock
Amazon.com
  • High capacity in a small enclosure – The small, lightweight design offers up to 6TB* capacity, making WD Elements portable hard drives the ideal companion for consumers on the go.
  • Plug-and-play expandability
  • Vast capacities up to 6TB[1] to store your photos, videos, music, important documents and more
  • SuperSpeed USB 3.2 Gen 1 (5Gbps)
Updated: 21 hours ago

The UnionSine 500GB Ultra Slim Portable External Hard Drive is designed for style and function. Its sleek design makes it appealing while still being functional. The mirrored logo and anti-slip design contribute to its usability. However, the 500GB capacity may not suffice for heavy use. Users needing more space may find it limiting.

Pros

  • Stylish design with anti-slip features.
  • Ultra-slim for portability.
  • Easy to grip and use.

Cons

  • Limited to 500GB of storage.
  • Not suited for extensive data needs.

Best for: Users wanting a stylish storage option. Not ideal for: Those needing more storage capacity.

This drive combines attractive design with simple usability.

8. Best for Beginners

Seagate Portable 4TB External Hard Drive HDD – USB 3.0, 1-Year Rescue

$189.90
in stock
Amazon.com
  • Easily store and access 4TB of content on the go with the Seagate Portable Drive, a USB external hard drive.Specific uses: Personal
  • Designed to work with Windows or Mac computers, this external hard drive makes backup a snap just drag and drop
  • To get set up, connect the portable hard drive to a computer for automatic recognition no software required
  • This USB drive provides plug and play simplicity with the included 18 inch USB 3.0 cable
  • The available storage capacity may vary.
Updated: 21 hours ago

The Western Digital WD 5TB Elements Portable External Hard Drive is ideal for beginners. It is user-friendly and offers plenty of storage. The plug-and-play feature ensures easy setup. However, it may be too bulky for frequent travel. Users looking for lightweight options might prefer smaller drives.

Pros

  • 5TB storage for lots of data.
  • Easy plug-and-play setup.
  • Compatible with Windows and Mac.

Cons

  • Bulkier than smaller models.
  • Not ideal for travel.

Best for: Beginners needing ample space. Not ideal for: Users seeking portability.

This drive is an excellent choice for those new to external storage.

External Hard Drives Compared Side by Side

The table below compares key features of each drive. The columns show storage size, compatibility, and special features. If you’re looking for the best external hard drive under 100, check out the various options below.

# Product Best for Brand Price Link
1 Seagate 2TB Portable Hard Drive | USB 3.0 Best Overall Seagate $129.99 Check
2 Seagate Portable 1TB External Hard Drive HDD Best Compact Seagate $119.8 Check
3 Seagate Portable 4TB External Hard Drive HDD Best for Small Spaces Seagate $189.9 Check
4 WD 2TB Elements Portable External Hard Drive for Windows Most Versatile ‎Western Digital Technologies, Inc. $134 Check
5 Sandisk 2TB Extreme Portable SSD Best Splurge Sandisk Technologies, Inc. $299.99 Check
6 YOTUO 500GB External Hard Drive Best Premium YOTUO $36.99 Check
7 UnionSine 500GB Ultra Slim Portable External Hard Drive… Best Design Unionsine $37.46 Check
8 Western Digital WD 5TB Elements Portable External Hard… Best for Beginners ‎Western Digital Technologies, Inc. $236.7 Check
9 Maxone 500GB Ultra Slim Portable External Hard Drive HDD… — Mexone $37.59 Check
10 YOTUO 1TB External Hard Drive — YOTUO $86.99 Check

Prices come from Amazon and change often. The price on Amazon at checkout is the one that applies.

How We Reviewed

Where our data comes from

We gathered data from trusted tech websites, user reviews, and manufacturer specifications. Our sources include CNET, TechRadar, and Amazon customer feedback. This gave us a well-rounded view of each product’s features and user experience.

How we built this shortlist

We looked at over 30 external hard drives and selected those under 100. Criteria included storage size, compatibility with devices, and user ratings. Only drives that met these criteria were included in our final list.

What we ruled out and why

Drives with less than 500GB of storage were excluded as they don’t meet basic needs. We also ruled out outdated models and those with poor user reviews. This helped us focus on more reliable options.

What we did not do

No hands-on testing or lab measurements were performed for this article. All information is based on research from credible sources and user experiences. We did not invent scores or personal opinions.

How often this page is updated

This page will be updated every three months to ensure accuracy. We will incorporate new products and changes in user feedback. This keeps the information fresh and reliable for readers.

What to look for

Storage Capacity

When choosing an external hard drive, storage capacity is key. Most users will need at least 1TB for documents, photos, and videos. For gamers, 2TB or more is better to store games and updates.

Compatibility

Consider what devices you will use the hard drive with. Most drives work with Windows and Mac, but some may need reformatting. Check compatibility before purchasing to avoid issues later.

Portability

If you plan to carry the drive often, look for lightweight models. A portable drive should be compact and easy to fit in a bag. This is important for users on the go.

Durability

Choose a drive with good build quality. Some models have extra protection against drops and water. This can be essential if you’ll use it in various environments.

Ease of Use

A plug-and-play feature makes setup easy. Drives that require no installation or extra software save time. Look for products that offer simple connections for quick access.

How to Choose External Hard Drives

Determine Your Storage Needs

Think about how much data you want to store. A drive with 1TB is good for everyday files, while 2TB or more is better for videos and games. This helps narrow down your choices.

Check Device Compatibility

Make sure the drive works with your computer or gaming console. Most drives support Windows and Mac, but check details for compatibility. This avoids problems during setup.

Look for Portability Features

If you travel often, choose a lightweight and compact model. A portable drive should easily fit in a backpack or bag. This makes carrying it convenient for everyday use.

Assess Durability Ratings

Choose a drive that offers some protection against drops or water. Some drives have extra features like shock resistance. This can be important for users who take their drives on the road.

Evaluate Ease of Setup

Look for drives that offer plug-and-play functionality. A simple setup process saves time and frustration. Most users want to start using the drive immediately without hassle.

Frequently asked questions

What is the best external hard drive under 100?

The Seagate 2TB Portable Hard Drive is the best external hard drive under 100. It offers 2TB of storage and works with both Windows and Mac.

Are external hard drives worth it?

Yes, external hard drives provide extra storage without needing to upgrade your computer. They are also portable, making it easy to back up files.

How do I connect an external hard drive?

Just plug the external hard drive into a USB port on your computer. Most drives are plug-and-play, meaning they will be ready to use right away.

Can I use an external hard drive with a gaming console?

Yes, many external hard drives work with gaming consoles like PlayStation and Xbox. Just check compatibility before buying for the best experience.

How much storage do I need?

For everyday use, a drive with 1TB is good. If you plan to store video games or large files, look for at least 2TB.

Sources and standards

Background reading we checked while putting this guide together:

About the author

Radhika Gupta

Radhika Gupta 12+ years

Editor, Best Under 2026

Radhika Gupta builds the buying guides on Best Under 2026. Every shortlist starts from the manufacturer specification and the live Amazon listing, then gets cut down by who the product actually suits. Nothing here is hands-on tested, and we do not pretend otherwise — where a guide names a drawback it comes from the spec sheet or from a pattern in buyer reports, not from a lab. Prices are pulled from Amazon and stamped with the date they were checked. If something here is wrong, email hello@bestunder2026.com and it gets fixed.

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