10 Cheap PC Upgrades Worth Buying

Dikushin Dmitry/Shutterstock

The AI revolution has been taking the world by storm, with all major tech giants betting on AI products and investing heavily in data centers to power them. A side effect of this unprecedented demand is the skyrocketing prices of PC components, with memory prices specifically through the roof. It is still possible to build a budget gaming PC for under a $1000, but you are getting a lot less for your money — to the point where it might not even be worth it.

A better idea is to instead look at upgrading your existing computer. And we don’t mean an expensive upgrade like trying to buy a new graphics card as the AI boom has made those prices unreasonable, too. Instead, we are referring to much cheaper upgrades that can boost the performance of your PC and improve your experience without burning a hole through your pocket. Some are components that you can still get for cheap, while others are budget-friendly peripherals. The key is that these are upgrades that will give your PC noticeable improvements at a low cost.

Of course, this does not include regular maintenance of an old computer. Things like cleaning the case and replacing the thermal paste are not upgrades, but necessary tasks to keep your PC running smoothly. Older systems have far more longevity than you may think, and they can compete with modern systems with some small upgrades. So let’s look at some cheap PC upgrades worth buying today.

Chiradech/Getty Images

The top reason for wanting a new computer is because your existing one has gotten too slow, and one of the leading causes is overheating. Overheating doesn’t just harm the system components, but it also actively slows down performance. This is because components like the CPU are built with heat protection features, which means power is throttled back when temperatures exceed the safe limits. If you have an older computer that has started slowing down, there is a good chance it is just thermal throttling and performing far below its potential peak.

This is one of the reasons you should be using a laptop cooling pad. A device like that ensures increased airflow around the vents and high-temperature heatsinks of the system, letting it reduce its temperatures by quite a bit. Cooling pads are also very cheap, with good ones coming for barely $30. For a desktop computer, things get a little trickier. A desktop PC has better thermals than a laptop by design, but it does rely on good cooling fans in the cabinet to maintain good airflow.

If you have been relying on the stock cooler, buying better cooling fans is an easy upgrade. Most cabinets can fit multiple fans anyway, so by installing them correctly, you can eliminate any heating issues and directly boost performance. It will only cost you about $20 for a good-quality fan too, so it is definitely worth investing in.

Erman Gunes/Shutterstock

With Solid State Drive prices rising to the moon thanks to the AI rush, is there any point in buying an expensive SSD in 2026? Unless your PC isn’t running on an SSD already, the answer is probably no. SSDs are way overpriced right now, making it a very expensive prospect to add a second drive to your computer. If you are running out of space on your PC, you need to either start deleting files or get more storage.

But there is another option: Hard Disk Drives, or HDDs. Before SSDs stole the market with their blazing-fast read/write speeds and absence of moving parts, computers relied on traditional HDDs. An HDD is a mechanical drive that uses magnetic discs to store data, using a specialized arm to write and read information to those discs. The spinning discs create the well-known whirring sound of HDDs and are slower than the purely electronic SSD.

As a result, HDDs fell out of fashion, despite offering larger storage capacities at considerably lower prices — you can get a top-rated 4TB HHD for under $200, while an SSD equivalent will cost four times more. But how about using them as secondary drives? Most PCs have empty slots for additional drives, so you can just slot in a high-capacity HDD to expand your storage without buying an overpriced SSD. This drive can hold things like photos, movies, or your music collection, while your faster main drive is just used to install the OS and software.

Stenko Vlad/Shutterstock

RAM prices are the most famous casualty of the AI boom, with both DDR4 and DDR5 prices skyrocketing, as AI data centers have flooded the market with their specialized orders. The handful of companies controlling RAM supply are rushing to meet these big orders, leaving very little manufacturing capacity for normal memory. Even though RAM is reportedly back in production now, it still won’t be enough, and you can expect higher prices to continue. Why, then, is RAM being mentioned in a list of cheap PC upgrades?

The answer is dual-channel memory. Most prebuilt desktops ship with just one stick of RAM these days. This is done to reduce the price of the PC, since a computer does run fine with just one channel of RAM. But it is still a big performance drop, and if you are looking for an easy upgrade, adding a second stick to make it dual-channel memory is the perfect option. Of course, memory isn’t cheap right now, but buying just a single RAM module won’t cost you that much –- around $60-70.

The only problem is that if you are already on dual channel, this upgrade isn’t possible for you. There is the possibility of adding two more RAM sticks to get four in total (that’s how many slots a proper-sized motherboard has), but while it increases the overall memory, it brings no big performance boost.

PJ McDonnell/Shutterstock

We always jump to the GPU when we think of an upgrade to drastically improve performance, but there is another major component that might be a bigger bottleneck -– the CPU. The GPU, after all, is just the graphics card. It handles the highly parallel processing for rendering complex visuals, but that’s it. A lot of the more complicated computing falls to the processor, and having a strong GPU but a weaker processor slows things down. So why not upgrade the CPU instead?

Replacing your CPU might seem like a wild idea, but it is actually one of the cheaper components with a major impact on performance. The most powerful graphics cards are very expensive, but the AI craze that has pushed up the prices of memory and graphics cards has left CPUs untouched. This means you can get a new CPU for under $100 (a fraction of the price of a GPU), while achieving a similar level of improvement in performance.

The only problem is that a CPU upgrade is not always possible. The new processor must be compatible with the motherboard socket, which limits your options. Unless we upgrade the motherboard too. This might seem like an even crazier idea, but contrary to what you might expect, the motherboard is not the most expensive component, despite being the base on which a PC is built. You can upgrade to a better motherboard that supports a newer processor at a far lower price than a GPU today.

Antonio Guillem/Shutterstock

It is well known that moving to an Ethernet connection over relying on wireless internet boosts speed and performance. You get a better ping and higher data transfer speeds, not to mention a more reliable connection that doesn’t fluctuate due to quirks of wireless signals. But if you are already using Ethernet, how do you further improve the performance? While there are some ways to make your Ethernet connections faster, by and large the bottleneck is hardware capability. And we are not talking about the cables.

Ethernet, like any communication standard, requires specialized hardware to receive and process the signals. It is usually built into the motherboard itself, which gives you an Ethernet port to plug the cable into. But the default Ethernet is rarely the best. The Ethernet standard supports 2.5GbE, 5GbE, and even 10GbE, but can your hardware support it? Usually, the answer is no. Now it might be tempting to look at a USB-attached adapter to try and fix this, but a USB-based attachment is bottlenecked in speed as well, and can only add the basic functionality. No, the answer is a network extension card.

A module like that is installed on the motherboard through the PCI-E slot, fully integrating the new functionality using high-speed connections. This means you can upgrade to a 10GbE network card easily, getting the best possible internet performance on your PC. And such extension cards are also very inexpensive, making this a cheap upgrade.

TCU Tech/Shutterstock

Whether you built it yourself or ordered a prebuilt system, chances are that you didn’t really pay much attention to things like the case or the type of cables used. Not only can a new case add an aesthetic upgrade, but it could also boost your computer’s performance, as the design of the case is a key factor in its thermals and airflow. By switching to a larger case with more openings, you can install more fans and get better cooling for your PC. And if the case is transparent, you can even admire the cool RGB lighting of your components in action.

The same goes for the cables, too. Sure, the default cable given alongside the components will get the job done, but the end result will look like a mess of hanging cables. Using custom, sleeved cables can easily fix this. Not only will these cables look better, but they will lead to better organization as well. Which, in turn, minimizes the chances of tangling cables or accidentally damaging one. Both these upgrades are also rather cheap, barely costing you $100 in total.

tinhkhuong/Shutterstock

Perhaps the biggest reason to upgrade your PC (or buy a new one) is to improve the visuals. If you are a gamer, the importance of crisper visuals is obvious, but it is important even for casual users, for improving the visual quality while watching movies or videos. Even in productivity tasks, a screen that renders better and refreshes quickly will feel more responsive and fluid to use. And the key factor deciding these things is not just the GPU – but also the monitor itself.

The monitor is often overlooked, as most people think a display is just a display – after all, unlike a TV, it is not processing the video itself, only displaying the output from the PC. But the monitor quality is more crucial than you may think. No matter how powerful your graphics card is, it cannot go past the limits imposed by the monitor. Things like the refresh rate, the resolution, or the blur depend entirely on the monitor’s capabilities. Not to mention the size of the screen itself, or the display technology used.

This is why upgrading your monitor is one of the most impactful changes you can make, and it doesn’t even cost that much. High-end computer monitors are great, but the smart money buys a cheaper panel with all the important features but not the high prices. LED panels have gotten surprisingly cheap, and you can buy a 144Hz full HD monitor for less than $70, which will last you years.

Dikushin Dmitry/Shutterstock

We know that mechanical keyboards and cheap don’t exactly go together, but hear us out. Mechanical keyboards have become a full-fledged hobby, and there are good reasons why enthusiasts choose mechanical keyboards. These keyboards are generally better to type on, and even better for gaming due to the minimal latency. This is because each key is powered by a mechanical switch that can capture input more precisely than depressions of rubber on a regular membrane keyboard.

As a result, mechanical keyboards are recommended for everyone. Each keypress requires less force, making the typing process more responsive and comfortable. Switches like this also last much longer compared to membrane keyboards, which wear out in a matter of months, forcing you to replace them frequently. For gamers, the lack of input lag makes mechanical keyboards essential, since membrane keyboards can have a noticeable delay, not to mention issues like ghosting or stuck keys.

If you go for a hot-swappable mechanical keyboard, you can save even more money. This is because these keyboards let you replace individual switches when they stop working, instead of being forced to buy a new board. And don’t think that this feature only comes in expensive keyboards – you can get a hot-swappable mechanical keyboard for less than $30. And it comes with a few free switches to cover a couple of dead keys too.

Rukawajung/Getty Images

PCs always come with a few USB ports. Sometimes they are the slower USB 2.0 ports; sometimes they support the faster 3.0 connections. But now we also have a completely new type of USB form factor – the USB-C. Unlike the traditional USB-A ports found on most computers, USB-C ports are smaller, reversible, and have the same size on both PCs and mobile devices. Despite being smaller, USB-C is far better than the USB-A form factor, and not just in terms of data transfer speed.

USB-C combines the basic connectivity of USB with a Power Delivery system that can offer high-wattage fast charging to any compatible devices. Even more surprisingly, USB-C supports video transmission, with standards like HDMI and DisplayPort being compatible with it. And of course, you also have faster and more reliable data transfer rates than before.

The only drawback? PCs rarely ship with that many USB-C ports. Most computers will have only one or two such ports, which is far too little for accessing all the features it offers. This raises the question: should you add more USB-C ports to your PC? You can install an extension card to do that, but a cheaper, handier option is to simply get a good-quality USB-C hub. A hub will connect to one USB-C slot and give you multiple ports in exchange, including charging ports and display connections. And these are super cheap, with even the good brands selling for around $20 only.

GEVIERRA/Shutterstock

Most monitors come with default speakers, so it is common to skimp on audio for your computer. But whether you are listening to music or playing games, the audio experience does matter, and cheap audio ruins the experience. And you might consider it a fair tradeoff for saving money, except that a good pair of speakers doesn’t actually cost that much anymore. There are several cheap alternatives to your monitor’s built-in speakers, from soundbars to quality headphones or budget speakers.

If you think that paying more for a quality audio setup isn’t worth it, think again. The default tinny speakers lack the proper hardware to play any music accurately, let alone with quality. Such audio output options also lack any kind of preamp, turning even the best quality audio files into garbled messes. This means any media playback on your PC is not playing as it should, being especially noticeable while watching movies and struggling to understand the dialogue.

The problem is that the world of audio equipment can get exceedingly complex. Quality speakers can cost thousands of dollars, and a proper audio setup can involve multiple expensive gadgets. But for a simple PC upgrade, you don’t have to go that far. You can get a quality pair of speakers for just a hundred bucks. And this would be a proper high-fidelity (HiFi) speaker with built-in woofers, bass, and tweeters to do justice to the full dynamic range of audio.