24 Best Cyber Monday Deals on PC Components (2021): Build Your Own Desktop!

Cyber Monday is a great day to shop for computer parts. Most parts you'll need for a new computer, whether it's from scratch or an upgrade, are available on a discount right now.

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You need to know what to look for.

If you're not familiar with how to build a PC yourself, you can check out our guide. A good starting point is to use a site like PCPartpicker to make sure that all the components you buy will work together.
Graphics cards are difficult to get right now, so we have a list of deals on most components that you'll need to build a PC from scratch. Some graphics cards that are in stock are more expensive than the highest end ones. If you're trying to build a whole gaming PC, it might be a good idea to buy most of what you need now, but keep hunting for graphics card deals as they come.

There are deals with the Motherboard.

There is a photograph of the MSI.

Newegg, Walmart.

If you want to start a mid-tier Intel-based PC, this is the one to use. It comes with a built-in wi-fi option, which saves you one card in your desktop.

Newegg, Amazon.
The ASUS TUF gaming model supports the same sockets as the 10th and 11th generation Intel CPUs.


The AM4 sockets for the CPUs are supported by this board. You can get an extra $10 off this deal if you file a mail-in rebate.


The B550 Phantom Gaming board supports the AM4 sockets, but only in the Mini ITX configuration. If you want to make a less bulky PC, this is the one for you.

The deals are for the processor.

There is a photograph of a computer.

The center is called Micro Center.

The Core i7 is part of the 10th generation of Intel. It's a solid mid-range processor. This model doesn't have its own heat sink, so you'll need to add one to your build as well.


This processor is part of the 11th generation of Intel's CPUs, and it's slightly less powerful than the i7 above. You could put this in the same board as either of the other Intel CPUs we've featured.

Newegg, Amazon.

The Core i9 is part of Intel's 11th generation, but still compatible with the LGA 1200 sockets. The discount you get on this processor should help cover the heat sink in the package.

Newegg has a code that can be used on Amazon.

The AM4 sockets are compatible with the AMD Ryzen 9 5900X, which is more powerful than the Core i9 above.

Newegg can be used at Checkout.

If you use the somewhat cumbersome promo code BCMAY2822, the Ryzen 7 5700G is down by $40. The processor is in the AM4 sockets.

Newegg has a code for Walmart.

The 5700G has a slightly better performance boost than this one. On NewEgg, you have to use a coupon code, but on Walmart, it's a flat $350.

There are memory deals.

It's crucial.

Newegg can be used at Checkout.

The 16 gigabyte sticks of RAM add up to 32 gigabytes of memory. It should be enough to tackle most everyday tasks and games.

Newegg has a code at checkout.

If you don't need as much RAM for heavy-duty tasks, this pair of 8 gigabyte sticks will suffice.

Newegg has a promo code.

This set is largely the same as the above pair, with 8 gigabyte sticks. What makes it worth the extra money? The top has RGB lights built into it.

Storage deals


Newegg has a promo code.

The slot on some modern motherboards can be used to install a compact PCIe SSD, which can provide huge speed benefits to your computer. If you have a drive, it can slot directly into that space.

Best Buy and Amazon.

One of the best ways to get a speed upgrade without spending a lot of money is to get a smaller, slower drive for your main drive. If you want to go that route, this 500 gigabyte solid state drive is dirt cheap and has plenty of room for Windows, as well as your most commonly used apps and games.

There are case deals.



This mid-sized tower case has two 3.5-inch drive bays and a glass panel on the side. If you want to show off the RGB LEDs on your RAM, you have to make sure you have a good memory.

Newegg has a promo code.

The full-sized ATX tower from Lian Li has four 3.5-inch drive bays, a side panel with a glass texture, and even a RGB strip, just in case the components inside the case aren't glowing enough for you.

Newegg has a promo code.

The Corsair ATX mid-sized tower case has a subdued look and features two 3.5-inch drive bays.

There are power supply deals.

The Toughpower GX2 is a thermaltake product.


NewEgg has a promo code.

How much power your other components are consuming is the primary concern when buying a power supply for your PC. If you're planning to do heavy duty work or play video games on this power supply, you might want to keep an eye on how much you use. You can get an additional $10 off this power supply by mailing in a form.


The Cooler Master model can output up to 750W, which is a step up from the previous power supply. It doesn't require any special mail-in rebates to get the full discount.


Even if you have a really high-powered graphics card, this Corsair supply can handle up to 850W, which is enough for most gaming PCs. If you can get your hands on one, that's great.

There are other deals.

The photograph is from NZXT.


Buying a prebuilt PC and building one yourself is not a bad idea. It's one of our favorite options for buying a gaming PC, and right now the company is having a 10 percent off sale across the entire site.

Newegg has a $100 off and $150 off offer.

The retail price for the Radeon RX 6900XT is $1,000, so calling this a deal is a bit of a stretch. Graphics cards are in high demand and low supply. This is one of the better discounts we've seen when measured against what a specific card has been priced at recently, but it's almost more valuable as an object lesson for why waiting to find a graphics card.

The liquid cooling module could be a great option for those who don't have their own heat sink. It's one of our favorite picks for system builders, and it comes with a ton of RGB LEDs.

Do you want to browse the Cyber Monday sales yourself? There are a few places that offer deals. We have many buying guides and gift guides for additional ideas.

There is a sale on Amazon.
There is a Target Sale and Coupons.
Walmart has a sale and coupons.
There are coupons for Bed, Bath, and Beyond.
Best Buy has a sale.
There are coupons for the sale.
There are coupons for Kohl's.
There are coupons for the moosejaw sale.
There are coupons for the sale.
B&H sale.
Moment sale.
There is a sale.
Newegg sale