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World’s most compact power supply: HDPLEX readies the 250 W passive GaN AIO ATX

Slightly larger than your average mobile phone. (Image Source: HDPLEX)
Slightly larger than your average mobile phone. (Image Source: HDPLEX)
Its remarkably compact size and the passive cooling system make the new GaN-based PSU from HDPLEX ideal for small form-factor systems. This PSU is rated for 94% efficiency, comes with modular design and users can even sync two units together to supply more powerful components.

Gallium Nitride (GaN) is starting to see increased adoption for chargers and battery solutions, but this technology can also allow for more compact power supplies, as demonstrated by HDPLEX with its newest 250 W ATX PSU. This model is not only touted as the world’s smallest ATX power supply, but it also comes with a fanless design, making it ideal for silent small form-factor builds or sound production systems.

The new GaN-based PSU is barely longer than a smartphone with a 6-inch screen, measuring 170x50x25 mm. It is a tad longer than SFX and FlexATX solutions, yet it is considerably less bulky. In order to keep things as cool as possible in the absence of an active cooling solution, the PSU comes with an aluminum alloy body that dissipates the heat coming from the two automotive-grade GaN FET in an efficient way.

With the aid of high-quality GaN chips and an innovative LLC+PFC design that is rated for 94% efficiency, HDPLEX managed to achieve a power density of 1.18 W / cm³. Additionally, the PSU is fully modular, offering a standard 24-pin ATX connector, along with dual 8-pin and smaller 4-pin connectors. HDPLEX even allows users to pair two of these PSUs so they can add more powerful components. Thus, one of the PSUs can be used to power the motherboard plus the CPU, while the other can power a mid-range GPU.

HDPLEX estimates that the GaN-based 250 W PSU could start shipping this June for only US$145 and free world-wide shipping.

 

Buy the FSP Mini ITX Solution / Flex ATX 500W PSU on Amazon

(Image Source: HDPLEX)
(Image Source: HDPLEX)
(Image Source: HDPLEX)
(Image Source: HDPLEX)
(Image Source: HDPLEX)
(Image Source: HDPLEX)
(Image Source: HDPLEX)
(Image Source: HDPLEX)

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Bogdan Solca
Bogdan Solca - Senior Tech Writer - 1774 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 2022 05 > World’s most compact power supply: HDPLEX readies the 250 W passive GaN AIO ATX
Bogdan Solca, 2022-05-26 (Update: 2022-05-26)