This summer Chinese PC maker Chuwi introduced a mini desktop computer called the Chuwi LarkBox, featuring a 10 watt Intel Celeron processor, Windows 10 software, and a tiny case that measures just 2.4″ x 2.4″ x 1.7″.

Now another Chinese PC maker is copying the idea. The new XCY X51 is exactly the same size as the Chuwi LarkBox, but it has more RAM, faster storage, and a less powerful processor.

The XCY X51 is available for purchase for $179 from the official XCY AliExpress Store.


In terms of size and port selection, this little computer is awfully similar to the Chuwi LarkBox. But there are a few important differences.

The XCY X51 has 8GB of RAM, while the LarkBox has 6GB. The LarkBox has eMMC storage and an empty M.2 2242 slot for an optional SSD, while the XCY X51 ships with 128GB of SSD storage pre-installed.

But the LarkBox should be a little faster, since it has a 10-watt Intel Celeron J4115 processor, while the X51 has a less powerful 6-watt Celeron N4100 chip. Both computer should theoretically be able to handle 4K video playback (when running Windows at least — I had limited success getting that to work with Ubuntu Linux).

Here’s an overview of the specs for the XCY X51.

ProcessorIntel Celeron N4100
Storage128GB M.2 2242 SSD
Ports1 x USB Type-C
2 x USB 3.0 Type-A
1 x HDMI 2.0
1 x 3.5mm audio
1 x microSD card reader
WirelessWiFi 5
Bluetooth 4.2
Dimensions62mm x 62mm x 42mm (2.4″ x 2.4″ x 1.7″)
Weight121 grams (4.3 oz)

Or if you’re looking for something smaller even more compact with the same processor, there’s always the XCY Mini PC Stick which I wrote about recently.  That model measures 5.3″ x 1.8″ x 0.6″ and weighs just 83 grams (2.9 ounces) and is designed to plug directly into the HDMI port of a TV.

The XCY Mini PC Stick has a Celeron N4100 processor, 4GB of RAM, and 128GB of eMMC storage. It’s available from AliExpress for $159.

Update: I don’t know if three’s company or three’s a crowd, but it looks like another 2.4 inch mini PC is on the way. This one is called the GMK 4K mini PC, and its distinguishing features are a 10-watt Intel Celeron J4125 processor, a compact power adapter, and… that’s about it, really.

The GMK 4K mini PC is scheduled to go up for pre-order through an Indiegogo crowdfunding campaign in August. 


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8 replies on “XCY X51 is a tiny Windows computer packed inside a 2.4 inch box”

  1. Excellent, M.2 for storage is great, nice-looking case. Better than a Raspberry Pi 4B, except no Ethernet 🙁. Does anyone make an ARM tiny computer with similar specs to act as a lightweight media server?

    1. Almost exactly the same size. Larkbox is a bit cheaper in the campaign and you also get a free mini keyboard. This has a faster SSD and more RAM. But you can install an SSD in the larkbox, available as a perk, and get the same and you’ll only be missing the extra ram but gaining the more powerful processor. I expect Chuwi to launch a larkbox 2 at a later stage with 8gb ram once the original model is sold out.

  2. Those manufacturers live 3 years in the past. So outdated CPUs. They hardly got off cherry trail. So boring.

    1. Would you have preferred the newer N4020? This is a low end device and they putting an older quad core processor because it is easier and cheaper to get.

      Besides, it’s not like Intel has been putting a lot of effort into their low end processors. They have been stagnant for a while now with minor turbo boost speed increases from one iteration to the next.

  3. It’s a bit more expensive than the larkbox campaign price, though. For early backers, you get the mini desktop AND a keyboard for $139, which is awesome. Let’s hope the build quality is good.

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