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ASRock DeskMini X300 and A300 mini PC barebones first to support up to an AMD Ryzen 7 Pro 4750G APU

The DeskMini X300 barebones come equipped with the X300-STM motherboard that offers advanced overclocking features. (Image Source: ASRock)
The DeskMini X300 barebones come equipped with the X300-STM motherboard that offers advanced overclocking features. (Image Source: ASRock)
Users of the A300 mini PC barebones discovered that the ASRock A300-STM motherboard is compatible with the latest X300 BIOS, so the more affordable enclosures can now be equipped with up to a Ryzen 7 Pro 4750G, as well. However, the X300-STM motherboard offers unique overclocking features that can boost the CPU and iGPU performance.
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Asus may have been first to release Renoir-powered mini PCs earlier this year, but ASRock is now reclaiming its leading position in the SFF market with the DeskMini X300 barebones that support the desktop versions of the Renoir processors, including the Pro versions. These are barebones only models, so users need to provide the processor, RAM and storage themselves, but ASRock is currently the only OEM to offer the X300-STM motherboards with advanced overclocking capabilities.

Users can equip the new X300 barebones with up to an AMD Ryzen 7 Pro 4750G octa-core APU, and can add up to 64 GB of DDR4-3200 RAM. On the storage side, there is support for 1x PCIe 3.0 X4 M.2 2280 and 1x M.2 2280 slots, plus 2x SATA3 connectors. Since the 1.92-liter SFF enclosure does not allow for dGPU mounting, users will have to make do with the integrated Vega graphics, which can output to the include HDMI / DisplayPort / D-Sub video connectors.

There is also support for an optional Wi-Fi + Bluetooth module via an M.2 E 2230 slot and the motherboard integrates a Realtek RTL8111H GbE NIC. Port selection for the new X300 barebones include: 1x USB-C 3.2 Gen1, 2x USB-A 3.2 Gen1, 1x USB-A 2.0, 1x headphone jack, 1x Mic-in jack and 1x GbE jack.

As far as prices go, the X300 models should be available for around $200. However, based on the latest findings from users of the Chinese ChipHell forum, it looks like the X300 BIOS can be installed on the A300 models that are priced at around $150. This allows A300 users to add the more powerful Ryzen Pro APUs, but the A300-STX motherboards still cannot offer overclocking features for the processors and iGPUs, so the performance will be subpar compared to the X300-STX motherboards.

Rear port view (Image Source: ASRock)
Rear port view (Image Source: ASRock)
Motherboard dimensions (Image Source: ASRock)
Motherboard dimensions (Image Source: ASRock)

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Bogdan Solca
Bogdan Solca - Senior Tech Writer - 1532 articles published on Notebookcheck since 2017
I first stepped into the wondrous IT&C world when I was around seven years old. I was instantly fascinated by computerized graphics, whether they were from games or 3D applications like 3D Max. I'm also an avid reader of science fiction, an astrophysics aficionado, and a crypto geek. I started writing PC-related articles for Softpedia and a few blogs back in 2006. I joined the Notebookcheck team in the summer of 2017 and am currently a senior tech writer mostly covering processor, GPU, and laptop news.
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> Notebook / Laptop Reviews and News > News > News Archive > Newsarchive 2020 09 > ASRock DeskMini X300 and A300 mini PC barebones first to support up to an AMD Ryzen 7 Pro 4750G APU
Bogdan Solca, 2020-09- 7 (Update: 2020-09- 8)