I turned a $50 Facebook Marketplace mini PC into the ultimate home server


Old office mini PCs have been flooding online marketplaces like Facebook Marketplace for years. They’re often listed for as little as $50 or even less, but with limited demand, they can easily be overlooked. At first glance, they might seem like outdated hardware that isn’t worth much attention, but once you install a Linux server OS, it could quickly become one of the most useful pieces of tech in your home.

An old $50 mini PC is the perfect self-hosting starter machine

The perfect entry point into your first home server

An MSI Cubi 5 12M mini PC with the top removed. Credit: Joe Robinson / How-To Geek

If you think about it, the concept of a mini PC lines up perfectly with what you would also want in a home server: they’re tiny, super affordable, sip power compared to proper desktop and server hardware, and still have enough performance to handle basic self-hosted apps.

If you’re not familiar with self-hosting, it simply means running your own apps, services, or even infrastructure on your own hardware instead of relying on third-party companies. For example, instead of using streaming platforms like Netflix and Spotify for your media, you can self-host Jellyfin on your home server and stream your own movies, shows, and music across your devices.

The processor and RAM you can find in a typical mini PC for around $50 is often all you need for basic self-hosting. For $50, you can expect an older Intel Pentium, Celeron, or i3/i5 CPU, 2 GB–8 GB of RAM, a small SSD, and basic connectivity like USB 2.0 and 3.0, Ethernet, DisplayPort, HDMI, and possibly Wi-Fi and Bluetooth.

Decent integrated storage capacity is always a plus, but if you plan on using it as a media server, you’ll have to add your own using an external hard drive.

Seagate Expansion 6TB External Hard Drive HDD.

Storage Capacity

6TB

Brand

Seagate

The Seagate Expansion 6TB external hard drive is an excellent starting point if you are building a NAS with a mini PC, offering ample capacity for backups and media storage. It is affordable, easy to set up, and fast enough over USB 3.0 for most home server use cases.


In 2026, a machine with these kinds of outdated specs would be awful to use for even basic desktop use. It likely wouldn’t even be upgradeable to Windows 11, and it would probably freeze once you open more than a couple of Chrome tabs.

But once you install a headless Linux server distro on it, it’ll instantly transform into a powerful little home server that’s capable of powering self-hosted apps while barely breaking a sweat and using just a few watts of electricity and barely taking up any space.

How to find a great Facebook Marketplace deal (without getting scammed)

Don’t just follow the listing price and read the fine print

If I’ve managed to convince you that you need a cheap mini PC, and you’ve already started browsing Facebook Marketplace in your second browser tab, you’ll probably notice things get overwhelming pretty quickly—unclear listings, confusing product names and specs, and a lot of missing information.

Fortunately, I’m here to help you find a good deal.

First and foremost, when you’re looking at a listing, check the description to see if the seller has included any specs. If they haven’t, you can often identify the exact model by zooming in on the listing photos and searching the model name on Google. If the model name isn’t clearly visible, you can usually still figure it out by using Google Lens in Chrome or by taking a screenshot on your phone and searching it that way.

Sometimes, you’ll be able to find the specs right away, but other times, it will be almost impossible, especially with lesser-known brands like Nimo or ACEPC shown in the screenshots above.

Another thing you need to be wary of is broken mini PCs or missing pieces. If a listing states that the mini PC just needs a fresh operating system install, there’s a solid chance that the SSD is actually failing and needs to be replaced completely. No power adapter is another cost you have to account for when browsing listings.

Ultimately, I can’t give you exact specs to look for, since listings can vary wildly depending on availability and your local market. Aim for a mini PC that works (or where testing is allowed), with the power adapter included, and try to get the most powerful CPU with the most amount of RAM you can get.

If you’re lucky, you might be able to snag an Intel N100-powered mini PC, which is a fantastic chip beloved by homelabbers, though any Intel CPU with Quick Sync support is good enough if you want to build a media server.

Practical ways to repurpose old hardware

Laptop close-up showing Jellyfin logo and My Media tiles. Credit: 

Patrick Campanale / How-To Geek

Once you’ve got the mini PC in your home and your preferred Linux server OS installed, it’s time to start exploring all the wonderful things you can do with it. The most basic use case is turning it into a NAS, preferably with the help of apps like Nextcloud, Immich, and Syncthing.

The built-in storage can be perfectly fine for basic file transfers and light backups—even 64 GB can store thousands of text documents. However, if you’ve got a lot of data, you’ll probably want to invest in an external storage drive.

And once you’ve got plenty of storage, you can transfer your shows, movies, and music onto the mini PC and start self-hosting a media server. Most of your content will likely play directly, but if it requires transcoding, you can still get reasonably smooth playback by enabling hardware transcoding and using Intel Quick Sync.

I use an old laptop as my media server, which has an Intel Core i5-7200U, and it handles hardware transcoding reasonably well.

Another cool thing you can do with a mini PC is use it for DNS filtering and forwarding using AdGuard Home or Pi-hole. This can significantly improve your whole-home internet experience by removing the load from your router and blocking unwanted traffic from ads, trackers, malware, and more. You can even use the mini PC as a router and firewall if you’d like to go a step further. The sky (and your mini PC’s hardware) is the limit!

Don’t let obsolete office hardware go to waste

Give old machines a second life

If you come across a cheap mini PC listing on Facebook Marketplace, don’t just scroll past it. Even if the hardware doesn’t impress you at first glance, you can often transform it into a surprisingly useful home server. And if you’re already into self-hosting and have a decent server, you can always add a new node to expand your homelab, especially if the deal is too good to pass up!


A Raspberry Pi in a case lying on top of a Beelink Mini S12 Pro mini PC.


A $200 mini PC is your ultimate self-hosting cheat code

I never understood self-hosting until I switched to a cheap mini PC



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Recent Reviews


iPhone 17 Pro Max vs Samsung Galaxy S26 Ultra

Prakhar Khanna and Jason Hiner/ZDNET

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It’s been several months since Samsung launched its Galaxy S26 series of phones, so now that the dust has settled, I’m reevaluating them against the industry’s best. That starts with the flagship Galaxy S26 Ultra

Between it and the best iPhone available, the iPhone 17 Pro Max, you might be wondering which one is the better investment. The easy answer is, “Stick with whichever OS you have now,” but in all honesty, both phones are good enough to justify a switch. If you’re going to go, go big! It doesn’t get much bigger than these two powerhouses, so let’s dive in and see which one is the winner.

Also: Google Pixel vs. Samsung Galaxy: I’ve tested both brands extensively, and there’s a clear winner

As it happens, I carry the iPhone 17 Pro Max, and also the latest Android phone, and it doesn’t get much more “latest” than the S26 Ultra, so these opinions are based on prior experience with the S25 Ultra, a good amount of hands-on review time with the S26 Ultra, and the specs we have on hand. 


You should buy the iPhone 17 Pro Max if…

iPhone 17 Pro Max in Cosmic Orange

Jason Hiner/ZDNET

1. You (or your family) are in the Apple ecosystem

Platform lock-in is a thing, and Apple has it better than most. Apple provides an entire ecosystem of devices and cross-device functionality that most other OEMs can’t match. It’s not that Samsung doesn’t have an ecosystem of its own, but Apple’s devices are designed from the ground up to work together. They’re on a level of detail that other ecosystems — including Samsung’s — can’t really compete with.

Also: I tested the iPhone Air for a week, and here’s why 17 Pro Max users shouldn’t sleep on it

Then, there’s the 800-pound gorilla in the room. If your family is also in the Apple ecosystem, there’s even more reason to stay there. One of the reasons I carry an iPhone everywhere is that my kids also have iPhones. “Dad, can you ring my phone?” is a common refrain in my house. Add iMessage and parental controls to that, and there are enough roadblocks to make not carrying an iPhone a pretty big headache.

There are software workarounds for just about everything an iPhone can do with other devices, but they’re just that — workarounds. If you want to be embedded in the Apple ecosystem, there is only one phone category you can carry.

2. You want a phone that just works

It’s a cliché, but it exists for a reason. Apple has a long history of being late to the party with a lot of features, but typically, when they get the feature, it’s very polished. Apple doesn’t take half-steps, and it rarely (though not never) treats its users like beta testers. It will take in the landscape, identify a feature that people like, and make it significantly better than the competition.

Also: I’ve tried every iPhone 17 model, and my golden rule for upgrading is changing in 2025

That philosophy extends to apps built for the platform as well. Apple maintains high standards for its App Store and approval process. I routinely encounter the same app on both platforms: it works flawlessly the first time on an iPhone but struggles on an Android phone. There’s a lot that goes into app development, especially on a platform like Android that can have multiple versions and flavors, so there’s no shade. Apple just delivers a better and more consistent experience.

3. You’re a video shooter

There are multiple reasons why the iPhone 17 Pro Max is the phone to use for video. First and foremost, it is storage. Put simply, the iPhone can get up to 2TB of onboard storage; the S26 Ultra maxes out at 1TB. A terabyte of storage seems like a lot — and it is, but if you’re shooting a ton of 8K or even 4K video, that’s going to chew up your storage in a hurry. This is also a solid argument if you’re a hardcore gamer, as they take up a lot of space these days.

Also: I’ve got one big reason to recommend a year-over-year upgrade to Apple’s iPhone 17 Pro Max

The iPhone also offers a really great video experience. From shooting in dedicated ProRes Raw mode to open gate shooting, if you’re a filmmaker, you want options, and the iPhone gives you a ton. There are also numerous apps in the App Store that you can use to capture, enhance, and edit your videos. 

Sure, there are apps in the Play Store for Android, but this combination of tools built for filmmakers makes the iPhone 17 Pro Max the phone to get for video enthusiasts.

You should buy the Samsung Galaxy S26 Ultra if…

Prakhar Khanna holding the Samsung Galaxy S26 Ultra.

Prakhar Khanna/ZDNET

1. You want the raw power

As recently as two years ago, this heading would have belonged under the iPhone category. But after Qualcomm rolled out the Snapdragon 8 Elite processor for the Galaxy, things changed. Of course, we’re talking about raw numbers here — user experience and vertical integration go a long way on Apple’s side, but Qualcomm’s processors have started to outperform Apple’s on benchmarking apps, and that’s a big deal.

Also: Samsung Galaxy S26 Ultra vs. Galaxy S25 Ultra: I’ve tried both flagships, and here’s my choice

Processing power is important in the realm of video processing/editing, gaming, and AI. If those are important categories for you, Samsung is the best game in town. The iPhone is a powerful machine, make no mistake, but the Samsung Galaxy S26 Ultra is currently the most powerful phone you can buy at the moment. 

2. You’re all-in on AI 

Samsung Galaxy S26

Prakhar Khanna/ZDNET

Unfortunately, Apple Intelligence has seen a few false starts now. Meanwhile, Samsung and Google keep rolling out AI-powered features one after another. This generation of Samsung phones is no exception, with Galaxy AI taking most of the headlines from this lineup of S26 smartphones. From editing images to the new Now Nudge feature, AI is all over this software release.

One particularly intriguing new feature is Gemini’s ability to summon an Uber with a command. Just tell Gemini where you want to go, and it’ll launch Uber, input the destination, and once you confirm, it’ll summon the car. This is the first of potentially numerous apps and services that can be further automated with AI. 

3. You value your privacy

Apple has always prided itself as a privacy-first company, and that’s fair enough. But Samsung is upping the ante with Privacy Screen, a hardware/software combination that could potentially change how people think about their phones and privacy. Samsung redesigned its screen to feature wide and narrow-angle pixels that the company can, through software, turn off individually to obscure the screen.

Also: Samsung Galaxy S26 Ultra vs. S24 Ultra: I compared both models, here’s who should upgrade

It doesn’t just block looky-loos in the airplane seat next to you from reading your texts, but because it’s software-driven, you can selectively block specific elements on your screen. So your whole screen is bright and beautiful, but a notification rolls in and only blocks the area where it appears. 

Writer’s choice

Both of these phones are downright fantastic — there’s no question. But at the end of the day, if I had to pick, I’d go with the Samsung Galaxy S26 Ultra. I have a dual-wielding phone lifestyle, but while I value the iPhone 17 Pro Max for its consistency and its comfort, Samsung and Android in general have a wider variety of fun form factors to play with, and that includes a multitude of accessories that you can buy into.

Apple works great within its ecosystem, and it’s just OK with everyone else. Android works very well with just about everything from Windows PCs to a wide variety of smartwatches and Bluetooth accessories. For everything an iPhone can connect to, an Android phone can connect to more. Plus, I didn’t even talk about the stylus here, because while I’m not a huge stylus person, I’m definitely a believer in the “it’s better to have it and not need it” philosophy.

Of course, as I mentioned before, I carry both. But I’m ultimately on Team Android, where I feel there’s more freedom. 

Specifications

iPhone 17 Pro Max

Samsung Galaxy S26

Display

6.9 AMOLED with 120Hz, 3000 nits peak

6.9″ QHD AMOLED 120Hz, TBD nits peak

Weight

233g

214g

Processor

Apple A19 Pro

Qualcomm Snapdragon 8 Elite Gen 5 for Galaxy

Storage

256GB, 512GB, 1TB, 2TB

256GB, 512GB, 1TB

Battery

5,088mAh, 25W wired charging and 25W wireless charging

5,000mAh, 60W wired charging and 25W wireless charging

Camera

48MP wide / 48MP Ultra Wide / 48MP telephoto (4xx) / 18MP front

200MP wide / 50MP telephoto (5x) / 10MP telephoto (3x) / 50 MP ultrawide / 12MP front

Price

Starting at $1,199

Starting at $1,299





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