MINI ITX 1U 400W Compact Desktop PC Power Supply Unit

Upgrade your small form-factor build with the MINI ITX 1U 400W Power Supply Unit — engineered for compact desktops, cash registers, POS systems, and low-profile ITX builds. Featuring a robust metal housing and a built-in cooling fan, this PSU delivers reliable, continuous power output in a space-saving 1U form factor.

Why Choose This Mini PSU?

High Efficiency & Compact Design: Slim 1U profile (161 × 80 × 40mm / 6.34 × 3.15 × 1.57 in) fits tight spaces without sacrificing performance.
400W Continuous Output: Delivers stable 400W power at 40°C operating temperature, rated for 24-hour continuous operation.
Built-in Cooling Fan: Integrated fan keeps temperatures in check during extended use, ensuring consistent performance.
Multiple Protection Circuits: Equipped with overcurrent, overvoltage, and short-circuit protection for safe, dependable operation.
Versatile Connector Support: Includes 24-Pin, 8-Pin (4+4), 8-Pin (2+6), and 4-Pin SATA connectors to support a wide range of components.
Durable Metal Construction: Solid metal housing provides structural integrity and effective heat dissipation.
Rigorous Quality Testing: Every unit undergoes high-temperature aging tests for long-term reliability.

Specifications

Power Output	400W Continuous
Form Factor	1U / ITX Mini
Input Voltage	220V AC
Output Connectors	24-Pin, 8-Pin (4+4), 8-Pin (2+6), 4-Pin SATA
Dimensions	161 × 80 × 40mm (6.34 × 3.15 × 1.57 in)
Material	Metal
Operating Temperature	Up to 40°C
Cooling	Built-in Fan
Protection	Overcurrent / Overvoltage / Short Circuit

Package Includes

1× Mini ITX 1U 400W Power Supply Unit

Made in China.

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Frequently Asked Questions

Q: What is a 1U ITX Mini Power Supply Unit used for?

A: A 1U ITX Mini PSU is designed for compact, small form-factor desktop computers, POS terminals, cash register systems, and other space-constrained builds that require reliable power in a slim enclosure. This 400W unit is ideal for systems requiring continuous, stable power output in tight spaces.

Q: What connectors does the MINI ITX 1U 400W PSU include?

A: This power supply includes a 24-Pin motherboard connector, an 8-Pin CPU connector (4+4 pin), an 8-Pin PCIe connector (2+6 pin), and a 4-Pin SATA power connector, making it compatible with a wide range of ITX motherboards and storage devices.

Q: What input voltage does this compact PSU support?

A: This Mini ITX 1U Power Supply Unit supports 220V AC input. Please ensure your local mains voltage matches this requirement before use. It is not dual-voltage; verify compatibility with your region's power supply before purchasing.

Q: How does this PSU protect connected components?

A: The unit features multiple built-in protection mechanisms including overcurrent protection (OCP), overvoltage protection (OVP), and short-circuit protection (SCP). Combined with rigorous factory high-temperature aging tests, these safeguards help protect your components and ensure long-term reliable operation.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.