What is a disk drive, and what does it do?

Welcome Delta Sigma Pi

  • Accessibility
  • Sales:

    Home:

    1-800-426-7235

    Business:

    1-866-426-0911

    Chat Now >

    Visit Sales Support Page >


    Order Support:

    Order Lookup >

    Visit Order Support Page >

    Technical Support >

Lenovo
All
  • All
  • Laptops
  • Desktops
  • Workstations
  • Monitors
  • PC Accessories & Electronics
  • Tablets
  • Servers & Storage
  • Servers Accessories
  • Sign In / Create Account
    My Lenovo Account
    Keep track of your wishlist, orders, and rewards all in one place
    Sign In / Create Account
    Welcome Back!
    Access your order, subscriptions, saved carts, rewards balance, and profile
    View My Account
    Orders
    View & track your orders
    Rewards
    Earn & redeem Rewards
    Profile
    Edit name, password, and account settings
    Wishlist
    Manage a wishlist of your favorite products
    Products
    Manage your devices, accessories
    Product Registration
    Register your product and/or update your warranty dates
    Sign Out
  • My Lenovo Rewards
  • Cart
  • Products
  • Solutions
  • Services
  • Support
  • About Lenovo
  • Deals
  • Student
  • Gaming
  • Laptops
  • Desktops
  • Workstations
  • Accessories
  • Software
  • Monitors
  • Tablets
  • Servers & Storage
  • Home & Office
  • AI
  • Deals
TEMPORARILY UNAVAILABLE
DISCONTINUED
Temporary Unavailable
Cooming Soon!
. Additional units will be charged at the non-eCoupon price. Purchase additional now
We're sorry, the maximum quantity you are able to buy at this amazing eCoupon price is
Sign in or Create an Account to Save Your Cart!
Sign in or Create an Account to Join Rewards
View Cart
Remove
Your cart is empty! Don’t miss out on the latest products and savings — find your next favorite laptop, PC, or accessory today.
item(s) in cart
Some items in your cart are no longer available. Please visit cart for more details.
has been deleted
Please review your cart as items have changed.
of
Contains Add-ons
Subtotal
Proceed to Checkout
Yes
No
Popular Searches
What are you looking for today ?
Trending
Recent Searches
Items
All
Cancel
Top Suggestions
View All >
Starting at
  • Black Friday in July! Limited-time Doorbusters + Buy more, Save more!  Shop Now >

  • My Lenovo Rewards! Earn 3%-9% in rewards and get free expedited delivery on select products. Join for Free >

  • Buy online, pick up select products at Best Buy. Shop Pick Up >

  • Lease-to-own today with Katapult. Get started with an initial lease payment as low as $1! * Learn More >

Home > Glossary > What is a disk drive, and what does it do?
Glossary Hero
Learn More
StarStar

Annual Sale

Lenovo Laptop SaleLenovo Laptop Sale

Laptop Deals

Desktop DealsDesktop Deals

Desktop Deals

Workstation DealsWorkstation Deals

Workstation Deals

StoreStore

Pick Up Today at Best Buy

ControllerController

Gaming PC & Accessory Deals

MouseMouse

PC Accessories & Electronics Deals

MonitorMonitor

Monitor Deals

Tablet and phoneTablet and phone

Tablets & Phones Deals

ServerServer

Server & Storage Deals

Discount tagDiscount tag

Clearance Sale


What is a disk drive, and what does it do?

A disk drive is a data storage device that reads and writes data to disks, like hard disk drives (HDDs) or solid-state drives (SSDs). It allows you to store and retrieve your files, programs, and operating system.

How does a traditional hard disk drive (HDD) work?

A traditional HDD consists of magnetic platters that spin at high speeds. The read/write heads move above the platters to read and write data magnetically. When you save a file, the data gets stored in magnetic patterns on the platters.

What are the benefits of using a solid-state drive (SSD) over a hard disk drive?

SSDs offer faster data access times, lower power consumption, and are more durable than HDDs since they have no moving parts. They can significantly improve your system's speed and responsiveness, making it feel more snappy.

Can I use a disk drive with my tablet to store and access files?

Some tablets support universal serial bus on the go (USB OTG) functionality, allowing you to connect an external disk drive and access files stored on it. However, not all tablets have this feature, so check your tablet's specifications or manual for compatibility.

Can I use a disk drive with my e-reader to store and read e-books?

Most e-readers do not support external disk drives. Instead, they rely on internal storage or cloud services for storing and accessing e-books. Make sure to check your e-reader's specifications or manual for storage options and compatibility.

How do I choose between an HDD and SSD for my computer?

If you prioritize speed, performance, and durability, go for an SSD. But if you need large storage capacity at a more affordable price, an HDD might be a better choice. Some people even use both – an SSD for the operating system and frequently used apps, and an HDD for data storage.

Can I upgrade my computer's disk drive myself?

Absolutely, upgrading your disk drive is usually straightforward. For laptops, it might be a bit trickier but still doable. Just make sure to check compatibility and back up your data before swapping out the drive.

What is an external disk drive, and why would I need one?

An external disk drive is a portable storage device that connects to your computer through universal serial bus (USB) or other interfaces. It's handy for backups, extra storage, or transferring data between computers.

Can I use a disk drive with my gaming console?

Yes, some gaming consoles allow you to connect an external disk drive to expand storage for games and media files.

What is disk formatting, and when should I do it?

Disk formatting is the process of preparing a disk for data storage. It erases all data and sets up a file system. You should format a new disk drive before using it, and you may also choose to format if you encounter disk errors or want to wipe the drive clean.

How do I partition a disk drive?

You can partition a disk drive using built-in tools on your computer's operating system. It divides the drive into separate sections, each appearing as a distinct drive letter. You can have different file systems and use partitions for specific purposes.

What is the difference between a disk drive and random access memory (RAM)?

A disk drive stores data persistently even when the power is off. RAM is volatile memory used for temporarily storing data and running programs while your computer is on. RAM is much faster but doesn't retain data when the power is off.

Can I use a disk drive from an old computer in a new one?

In most cases, yes, if the old drive is compatible with the new computer's interface (e.g., serial advanced technology attachment (SATA) and M.2). However, using a very old drive might not be the best idea, as it could be slower and less reliable compared to newer ones.

How do I protect the data on my disk drive from malware and viruses?

You can protect your data by installing and regularly updating antivirus software. Avoid downloading files from untrustworthy sources and be cautious with email attachments. Regular backups to an external drive or cloud storage are essential to safeguard against data loss from malware attacks.

Can I recover data from a damaged disk drive?

In some cases, data recovery from a damaged disk drive is possible but can be challenging and costly. If your drive shows signs of failure, it's best to consult a professional data recovery service.

What's the best way to dispose of an old disk drive?

To protect your data, it's crucial to securely wipe the drive before disposal. You can use specialized software for this purpose. After that, you can recycle the drive through electronic waste recycling programs or donate it if it's still functional.

What is redundant array of independent disks (RAID), and how does it relate to disk drives?

RAID is a technology that combines multiple disk drives into a single logical unit for enhanced performance, data redundancy, or both. It helps to improve data reliability and can be configured in various ways to suit different needs.

How do I defragment a disk drive, and do I still need to do it with solid-state drives (SSDs)?

You can defragment a disk drive on Windows by using the built-in defragmentation tool. It's not necessary for SSDs since they don't suffer from fragmentation like hard disk drives. In fact, defragmenting an SSD might even reduce its lifespan. So, you only need to defragment traditional HDDs.

Can I use an external disk drive with my smartphone or tablet?

Yes, you can use an external disk drive with some smartphones and tablets, especially those that support USB On-The-Go functionality. With the appropriate adapter, you can connect the drive to your device and access files stored on it.

How do I check the health and performance of my disk drive?

You can use disk utility software that comes with your operating system or use other tools to check your disk drive's health and performance. These tools can provide insights into potential issues and help you take preventive measures.

Can I replace my laptop's disk drive with a larger one?

Yes, you can replace your laptop's disk drive with a larger one, either HDD or SSD. It will allow you to store more data and potentially improve your laptop's overall performance.

Looking for a Great Deal?
Shop Lenovo.com for great deals on A+ Education PCs, Accessories, Bundles and more.
Shop Deals Now

  • Legion 7i Gen 9 (16″ Intel) Gaming Laptop
    Starting at
    $1,699.99
    Learn More
  • ThinkPad X9 15 Aura Edition (15ʺ Intel) Laptop
    Starting at
    $1,127.97
    Learn More
  • Yoga Book 9i (13” Intel)
    Starting at
    $1,999.99
    Learn More
  • Yoga 9i 2-in-1 Aura Edition (14″ Intel) Laptop
    Starting at
    $1,396.49
    Learn More
  • ThinkPad P1 Gen 7 (16″ Intel) Mobile Workstation
    Starting at
    $2,239.00
    Learn More
  • Shop
    • Student Deals
    • K-12 Student Laptops
    • Student Accessories
    • Laptops by Major
    Education resource
    Explore
    • What is STEM?
    • Best Laptops for College
    • Student & Teacher Discounts
    • Lenovo Sustainability Programs
    Education carry case

    Stem Articles
    See All STEM Articles
    • Online STEM Education

    • STEM Career Tips & Resources

    • Women in STEM

    • STEM Educator Training

    • STEM Grants & Funding

    • STEM Education: Coding for Kids

    • STEM Education: Robotics

    • STEM Education: Biotechnology

    • STEM Education: Sustainability

    • STEM Education: AI & ML

    While every effort has been made to ensure accuracy, this glossary is provided for reference purposes only and may contain errors or inaccuracies. It serves as a general resource for understanding commonly used terms and concepts. For precise information or assistance regarding our products, we recommend visiting our dedicated support site, where our team is readily available to address any questions or concerns you may have.

    Why Lenovo?

    Go Greener with Leno...

    Lenovo is committed to Smarter Climate Action with lower energy laptops, use of sustainable materials and packaging, and available CO2 Offset Services.
    Learn More
    pastel background

    Get It Now, Pay For ...

    Lenovo has multiple financing option: the Lenovo Credit Card, installment plans, and lease-to-own financing op...
    Learn More
    pastel background

    Productivity & Peace of Mind

    Stay productive with Premium Care Plus - 24/7 priority support and coverage against accidental damage. Power through your day with our Smart Performance and extended battery solutions.
    Learn More
    pastel background

    Fast & Secure

    Get the most from your laptop with Lenovo’s state-of-the-art Smart Performance, delivering powerful, all-in-on...
    Learn More
    pastel background

    Assistance and Suppo...

    Chat with a trained professional who can help you find the right products, place or check on an order, or setup your Education laptop.
    Contact Us
    pastel background
    Enter email to receive Lenovo marketing and promotional emails. Review our Privacy Statement for more details.
    Please enter the correct email address!
    Email address is required
    • Facebook
    • Twitter
    • Youtube
    • Pinterest
    • TikTok
    • Instagram
    Select Country / Region:
    Country
    AndroidIOS

    About Lenovo

    • Our Company
    • News
    • Investors Relations
    • Compliance
    • ESG
    • Product Recycling
    • Product Security
    • Product Recalls
    • Executive Briefing Center
    • Lenovo Cares
    • Careers
    • Formula 1 Partnership

    Products & Services

    • Laptops & Ultrabooks
    • Smarter AI for You
    • Desktop Computers
    • Workstations
    • Gaming
    • Tablets
    • Servers, Storage, & Networking
    • Accessories & Software
    • Services & Warranty
    • Product FAQs
    • Outlet
    • Deals
    • Lenovo Coupons
    • Cloud Security Software
    • Windows 11 Upgrade

    Resources

    • Legion Gaming Community
    • Lenovo EDU Community
    • Lenovo Pro Community
    • Lenovo Pro for Business
    • My Lenovo Rewards
    • Lenovo Financing
    • Lenovo Trade-in
    • Affiliate Program
    • Affinity Program
    • Employee Purchase Program
    • Lenovo Partner Hub
    • Laptop Buying Guide
    • Where to Buy
    • Glossary

    Customer Support

    • Contact Us
    • Policy FAQs
    • Return Policy
    • Shipping Information
    • Order Lookup
    • Register a Product
    • Replacement Parts
    • Technical Support
    • Forums
    • Provide Feedback
    © 2025 Lenovo. All rights reserved.
    PrivacyCookie Consent ToolSite MapTerms of UseExternal Submission PolicySales terms and conditionsAnti-Slavery and Human Trafficking Statement
    Compare  ()
    x
    Call

    Need Help? Call: 

    1-800-426-7235
    Select Your Store
    Add items to your cart?
    We've noticed that you've entered a different store. Do you want to add these items to your cart in the new store?
    No Yes. Add in Lenovo Pro

    close_icon

    Sign up and receive up to $100
    off your next purchase.
    Click here for offer details
    Are you shopping for a business?

    No, Thanks

    Click here for offer details
    *Offer valid for new subscribers only. Not valid on previous purchases.
    Lenovo Privacy Policy
    Thanks for signing up!
    You should receive an email from us within the next 2 hours
    *Offer valid for new subscribers only. Not valid on previous purchases.
    Lenovo Privacy Policy
    An error occurred while submitting your request.
    Please try again later.