Dell's custom PC builder lets you start with a base model and swap parts before checkout

Dell does not have a true component-by-component builder like some PC retailers. Instead, Dell's approach is to pick a pre-configured desktop or laptop, then customize the parts Dell allows you to change — typically the processor, RAM, storage, and graphics card. You cannot mix and match every component from scratch the way you would building a PC yourself with individual parts from Newegg or Amazon.

This matters because it means you are working within Dell's tested configurations. Dell has already paired the power supply, motherboard, and cooling system to work together. You are making swaps within those constraints, not designing from the ground up. For most people, this is actually simpler and safer — you cannot accidentally buy a processor that does not fit your motherboard, or a graphics card that needs more power than your supply can deliver.

Key Takeaways

  • Start on Dell.com, search for a desktop or laptop in your price range, then click "Customize" to change individual parts.
  • You can usually swap the processor, RAM, storage drive, and graphics card, but not the motherboard, power supply, or case.
  • Dell shows you the price change for each swap in real time, so you can see exactly how much each upgrade costs.
  • The customization page shows compatibility automatically — you cannot select a part that will not work with the rest of the system.
  • After you finish customizing, review your final configuration and price before adding it to your cart.

Finding a base model to customize on Dell.com

Go to Dell.com and navigate to the Desktops or Laptops section depending on what you want to build. Use the filters on the left side to narrow by price range, processor brand (Intel or AMD), and use case — gaming, business, creative work, or general use. These filters help you land on models that already have the right foundation for what you want to do.

Click on a model that interests you. Read the specs listed on the product page — processor, RAM, storage, and graphics card. This is your starting point. If the base model is close to what you want, click the "Customize" button. This button is usually near the price or the "Add to Cart" button. If you cannot find it, look for "Configure" or "Build Your Own" — Dell uses different labels on different product pages.

Do not worry if the base model is not perfect. You are about to change the parts that matter to you. The price shown on the product page is for the base configuration, but it will update as you make changes.

Navigating the customization page and swapping parts

Once you click Customize, you will see a page showing the current configuration on the left or top, with a list of components you can change on the right or below. Each component — Processor, Memory, Storage, Graphics Card — is clickable. Click on any component to see the available options for that part.

When you click on a component, Dell shows you the current selection (usually highlighted), the price of that selection, and the price difference if you choose something else. For example, if you upgrade from 16 GB of RAM to 32 GB, you might see "+$150" next to the 32 GB option. This tells you exactly how much more you will pay. The total price at the bottom of the page updates automatically as you make each change.

Not every component is customizable on every model. Gaming desktops usually let you change the processor, RAM, storage, and graphics card. Business laptops might only let you change RAM and storage. Dell shows only the components you can actually change — if something is not listed, it is not available to customize on that model.

Understanding what you can and cannot change

On most Dell desktops, you can change the processor (CPU), RAM (memory), storage drive (SSD or HDD), and discrete graphics card (GPU). These are the parts that most affect performance and cost. You usually cannot change the motherboard, power supply, case, or cooling system — Dell has already chosen these to work together safely.

On laptops, your options are more limited. You can almost always change RAM and storage. You usually cannot change the processor or graphics card on a laptop, because these are soldered to the motherboard or built into the processor itself. Some high-end gaming laptops do let you swap the graphics card, but this is rare.

If you need to change something Dell does not let you customize, you have two options: choose a different base model that already has what you want, or consider building a desktop from individual components instead of using Dell's builder. A desktop gives you more control over every part.

Checking compatibility and avoiding mistakes

Dell's customization page prevents you from making incompatible choices. If a processor requires a certain type of RAM, and you try to pick RAM that does not match, Dell will either hide that RAM option or show it as unavailable. You cannot accidentally select a graphics card that needs more power than the power supply can deliver, because Dell only shows you options that work with the rest of the system.

This is one of the main advantages of using Dell's builder instead of buying parts separately. You do not have to research whether a processor fits the motherboard socket, or whether your RAM speed matches what the processor supports. Dell has done that work for you.

Before you finish, scroll through the entire configuration one more time. Make sure the processor, RAM, storage, and graphics card are what you actually want. Check the total price. If something looks wrong, click on that component again and change it.

Reviewing your final configuration before purchase

After you finish customizing, Dell shows you a summary of your configuration. This summary lists every component, the price of each one, and the total price including shipping and any applicable taxes. Read through this summary carefully. This is your final note to catch a mistake or change your mind about an upgrade.

Pay attention to the storage type and size. If you chose an SSD (solid-state drive), it will be faster than an HDD (hard disk drive), but more expensive. If you chose a smaller SSD, you might run out of space faster. If you chose a larger one, you are paying more upfront but will not need to upgrade as soon.

If you want to make a change, click the "Customize" or "Edit" button to go back to the customization page. If everything looks right, click "Add to Cart" or "Buy Now" to proceed to checkout.

What to do if Dell's builder does not give you the options you need

If you cannot find a Dell model that lets you customize the parts you want to change, you have alternatives. You can buy a base model from Dell and upgrade it yourself after it arrives — many Dell desktops have user-accessible RAM and storage slots, and some let you add or swap a graphics card. Check the product manual or Dell's support page for your specific model to see what is upgradeable.

You can also build a PC from individual components using a retailer like Newegg, Amazon, or a local computer shop. This gives you complete control over every part, but requires more research on your part to make sure everything is compatible. Use a PC part picker tool like PCPartPicker to check compatibility before you buy.

If you are not sure which route is right for you, think about what you need to change. If you only need to upgrade RAM or storage, buying a Dell and upgrading it yourself is often cheaper and faster than building from scratch. If you need a specific processor or graphics card that Dell does not offer, building from components is your better option.

Frequently Asked Questions

Can I change the power supply or cooling system when I customize a Dell PC?

No. Dell does not let you change the power supply or cooling system through the customization page. These components are chosen by Dell to work safely with the base configuration. If you need a different power supply or cooler, you would have to buy a different base model or build a PC from individual components.

What happens if I upgrade the processor — do I need to upgrade the cooling system too?

No. Dell's cooling system is already sized to handle the processors available for that model, including the highest-end option. You can upgrade to a faster processor without worrying about overheating or needing a better cooler.

Can I customize a Dell laptop the same way I customize a desktop?

Laptops have fewer customization options than desktops. You can usually change RAM and storage, but often cannot change the processor or graphics card because they are built into the motherboard. Check the customization page for your specific laptop model to see what options are available.

If I customize a PC on Dell's website, can I upgrade it myself later?

Yes, for some components. Most Dell desktops let you add or upgrade RAM and storage drives after purchase. Some let you add a graphics card if there is an available slot. Check the product manual or Dell's support page for your specific model to see what is user-upgradeable.

What is the difference between an SSD and an HDD when I am customizing storage?

An SSD (solid-state drive) is faster and more reliable, but costs more per gigabyte. An HDD (hard disk drive) is cheaper but slower. For most people, an SSD is worth the extra cost because it makes the whole system feel faster. If you are on a tight budget and only need storage for documents and media, an HDD is acceptable.