Mini-Box PicoPSU-90 Power Kit - Silent 90W DC Solution

In this review the Mini-Box PicoPSU-90 12V kit is evaluated for small form-factor builds that need a quiet, low-voltage power solution. The kit includes the compact PicoPSU-90 and a 5A/60W AC to DC switching adapter, making it a straightforward choice for lightweight systems. The single biggest reason to buy is the combination of a near-silent, well-built DC power module with a universal input adapter that suits Atom based motherboards and other low-power boards without the bulk or noise of a standard PSU.

Key Features

• Complete kit: Ships with both the PicoPSU-90 and a 5A/60W switching adapter so the parts are matched and ready to use out of the box.
• Multiple connectors: Includes 4 pin Molex, SATA power, floppy drive power, and P4 CPU power connectors to support a variety of internal devices and legacy peripherals.
• Wide input range: The switching power supply accepts 110-240VAC input, which is convenient for international use or varying mains voltages.
• Quiet operation: Customers report the adapter and PicoPSU run silently, making this kit ideal for noise-sensitive environments like home servers or media players.
• Compact design: The PicoPSU-90 provides a tiny footprint and clean internal cable routing for small chassis where space is at a premium.
• Warranty support: The kit includes a 1 year warranty, giving basic protection against early defects.

Who It's For

This kit is best for hobbyists and system builders assembling mini-ITX or other small form-factor systems that use low-power CPUs, especially Atom based motherboards that draw well under the 60W adapter limit. It also suits silent media players, lightweight home servers, and retro or embedded builds where a full ATX power supply would be overkill.

It is not intended for high-power gaming rigs, modern desktop CPUs that need much higher wattage, or systems with many high-draw GPUs or storage devices. Users who require modular cables, very high sustained loads, or advanced PSU monitoring should look for a conventional ATX supply instead.

Pros & Cons

Pros

• Compact combo provides a matched PicoPSU and adapter so setup is quick and tidy.
• Multiple output connectors (Molex, SATA, floppy, P4) cover common peripherals without adapters.
• Practically silent operation and solid build quality reported by customers makes it suitable for quiet systems.
• Wide 110-240VAC input on the adapter supports international use.

Cons

• The 60W adapter limits usable components to low-power boards and devices; not suitable for power-hungry systems.
• Not a drop-in replacement for full ATX needs such as heavy CPU or GPU loads.

Specifications

Product	Mini-Box PicoPSU-90 Power Kit
DC Input	12V
Adapter Output	5A / 60W
Adapter Input Range	110-240VAC
Included Connectors	4 pin Molex, SATA, Floppy, P4 CPU power
Recommended Use	Atom based motherboards and low-power mini-ITX systems
Warranty	1 year

Our Verdict

The Mini-Box PicoPSU-90 kit is a practical, good-value choice for anyone building a quiet, low-power small form-factor PC. Its matched 60W adapter and silent operation make it especially suitable for Atom based motherboards and media or embedded systems. If you need minimal noise, simple installation, and moderate power for basic components, this kit delivers reliable performance and a tidy internal layout.

Frequently Asked Questions

Will this run a mini-ITX Atom board?
Yes, the 60W adapter is ideal for Atom based motherboards and similar low-power mini-ITX boards when paired with the PicoPSU-90.

Does the kit include SATA power for drives?
Yes, the PicoPSU provides SATA power connectors as well as 4 pin Molex and a floppy power connector.

Can I use this worldwide?
The switching adapter accepts 110-240VAC, so it is suitable for international mains voltages with the appropriate plug.