What is an external graphics processing unit (GPU)?

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
  • AI
  • Digital Workplace
  • Hybrid Cloud
  • Edge
  • Sustainability
  • TruScale
  • Solutions by Industry
  • Alliance Partners
  • Other Solutions
  • Resources
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 an external graphics processing unit (GPU)?
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 an external graphics processing unit (GPU)?

An external GPU, also known as an eGPU, is a device that allows you to connect a high-performance graphics card to your computer externally. It enhances the graphics processing capabilities of your machine, especially if it has a weak built-in graphics card. By connecting an eGPU via a Thunderbolt™ or universal serial bus type-C (USB-C) port, you can experience improved graphics performance for tasks like gaming, video editing, and three-dimensional (3D) rendering.

How does an external GPU work?

An external GPU works by bypassing the limitations of your computer's internal graphics card. It connects to your computer through a high-speed interface like Thunderbolt™ 3 or universal serial bus type-C (USB-C), providing a dedicated graphics processing unit (GPU) with its own power supply. This allows the GPU to handle graphics-intensive tasks independently, offloading the workload from your computer's internal components.

Why would I need an External GPU?

You might need an external GPU if your computer's built-in graphics card is not powerful enough to handle demanding tasks like gaming, virtual reality, or resource-intensive software applications. An eGPU can significantly enhance your system's graphics capabilities, enabling smoother gameplay, faster rendering, and better overall performance.

Can any computer use an External GPU?

Not all computers are compatible with external GPUs. To use an eGPU, your computer needs to have a Thunderbolt™ 3 or universal serial bus type-C (USB-C) port with support for external graphics. Additionally, the operating system should have driver support for external GPUs. It's essential to check your computer's specifications and compatibility before investing in an eGPU.

Can I use an External GPU with a laptop?

Yes, you can use an external GPU with a laptop, provided that it has a compatible Thunderbolt™ 3 or universal serial bus type-C (USB-C) port. This allows you to add extra graphics power to your laptop, improving its gaming and graphics performance. However, it's important to note that not all laptops support external GPUs, so make sure to check your laptop's specifications before purchasing an eGPU.

What are the advantages of using an External GPU?

Using an external GPU offers several advantages:

  • Enhanced Graphics Performance:An eGPU can significantly improve the graphics capabilities of your computer, allowing you to play games at higher settings or work with resource-intensive applications.
  • Future-Proofing:If your computer's internal graphics card becomes outdated, you can easily upgrade the eGPU without replacing the entire system.
  • Versatility:You can use the eGPU with multiple computers, as long as they have compatible ports, making it a flexible solution.
  • Easy Installation:Setting up an eGPU is relatively straightforward, requiring minimal technical knowledge.

Can I use multiple External GPUs?

In some cases, you can use multiple external GPUs with compatible systems. This setup, known as multi-GPU or SLI/Crossfire, allows you to combine the processing power of multiple graphics cards for even better performance. However, not all systems support this feature, and it requires additional configuration and compatibility checks.

Can I disconnect the External GPU and use my computer without it?

Yes, you can disconnect the external GPU and use your computer without it. When the eGPU is disconnected, your computer will revert to using its internal graphics card. It's important to properly eject the eGPU before disconnecting it to ensure a smooth transition.

Can I use an external GPU with a gaming console?

While external GPUs are primarily designed for use with computers, there have been some experimental setups using external GPUs with gaming consoles. However, it's important to note that this is not officially supported by console models, and it requires advanced technical knowledge and modifications. Additionally, compatibility and performance issues may arise, so it's not a recommended solution for most console gamers.

What kind of performance boost can I expect from using an external GPU?

The performance boost you can expect from using an external GPU depends on various factors, including the graphics card you choose and the tasks you perform. In general, you can experience significant improvements in graphics-intensive activities such as gaming, 3D rendering, and video editing. Frame rates in games can become smoother, rendering times can be reduced, and overall graphics quality can be enhanced.

Can I use an external GPU for cryptocurrency mining?

Yes, you can use an external GPU for cryptocurrency mining. In fact, many miners utilize external GPUs to increase their mining power and efficiency. By connecting multiple external GPUs to a single computer, you can create a mining rig that can handle complex cryptographic calculations more effectively. However, it's important to consider the cost of electricity and the potential wear and tear on the hardware when engaging in cryptocurrency mining.

Can I connect multiple external GPUs to my computer?

Yes, it is possible to connect multiple external GPUs to your computer, provided you have the necessary ports and power supply. This can significantly enhance graphics performance for tasks like gaming or rendering.

Are external GPUs compatible with all laptops?

External GPUs are compatible with laptops that have Thunderbolt™ 3 or universal serial bus type-C (USB-C) ports, as these provide the necessary bandwidth and power delivery for the eGPU. However, it's essential to check your laptop's specifications and compatibility before making a purchase.

Can I upgrade the graphics card in an external GPU enclosure?

Yes, most external GPU enclosures allow you to upgrade the graphics card. They typically use a standard peripheral component interconnect express (PCIe) slot, allowing you to swap out the graphics card for a newer or more powerful model when needed.

Do external GPUs require additional drivers to be installed?

Yes, external GPUs usually require specific drivers to be installed on your computer to ensure proper functionality. These drivers can be obtained from the website or through software updates.

Can I use an external GPU for virtual reality (VR) gaming?

Yes, an external GPU can significantly enhance the VR gaming experience by providing the necessary graphics power. With a compatible setup, you can enjoy smoother frame rates and higher graphical fidelity in VR games.

Are external GPUs portable?

While most external GPUs are relatively portable, they do require a power source and a connection to a computer or laptop. Some eGPU enclosures are more compact and lightweight, making them easier to transport, but it's important to consider their size and weight when planning to move them around frequently.

Do external GPUs support multi-monitor setups?

Yes, external GPUs typically support multi-monitor setups. Depending on the graphics card and eGPU enclosure, you can connect multiple monitors for an expansive and immersive display setup.

Do I use an external GPU for machine learning and artificial intelligence (AI) applications?

Yes, an external GPU can be utilized for machine learning and AI applications. GPUs are commonly used for accelerating the training and inference processes in these fields due to their parallel processing capabilities.

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
    $1,439.99
    Learn More
  • ThinkPad P1 Gen 7 (16″ Intel) Mobile Workstation
    Starting at
    $1,871.22
    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