Target M-400U 400W Quiet Micro ATX PSU

TARGET M-400U | Compact Silent ATX PSU for Home & Office PCs

The TARGET M-400U delivers 400W of reliable power in a micro ATX form factor, making it an ideal choice for compact home and office desktop PCs. Its ultra-quiet 80mm temperature-controlled fan ensures silent operation while maintaining stable performance.

Slim Specs Table

Silent Operation for Noise-Sensitive Environments

The M-400U’s temperature-controlled 80mm fan adjusts its speed based on system load, keeping noise levels minimal during everyday tasks. This makes it perfect for home offices, media centers, or any environment where quiet operation matters. The passive power factor control further reduces electrical noise without adding mechanical components.

Reliable Power Delivery for Modern Components

With ATX 12V 2.31 compliance, this PSU provides stable power to both modern CPUs and motherboards. The 150-450ms power good signal ensures your system only starts when voltage levels are safe, protecting sensitive components from power fluctuations. The >75% efficiency rating means less wasted energy and lower operating temperatures.

Comprehensive Protection for Peace of Mind

The M-400U includes essential protection features including OVP (Over Voltage Protection), UVP (Under Voltage Protection), and OPP (Over Power Protection). These safeguards automatically shut down the PSU if voltage or power levels become unsafe, preventing damage to your valuable components during unexpected power events.

Flexible Connectivity Options

This PSU offers excellent connectivity for various build configurations with 20+4 pin main connector, 4-pin 12V connector, 4 Molex peripheral connectors, 2 SATA connectors, and 1 floppy drive connector. The combination supports both legacy and modern storage devices, making it suitable for upgrades or new builds.

Box contents

• TARGET M-400U 400W Power Supply Unit
• User Manual
• Mounting Screws

Check before you buy

• Confirm your PC case supports 125mm x 65mm x 100mm PSU dimensions
• Verify your components’ total power consumption is within 400W capacity
• Check you have the correct connectors for your storage devices
• Ensure your system requires ATX 12V 2.31 or earlier standard

Frequently Asked Questions

Q: Is this PSU suitable for gaming PCs?

A: This 400W PSU is better suited for office and home use rather than high-end gaming systems.

Q: Does it have a UK plug?

A: The PSU has a standard IEC C14 inlet; you’ll need to provide your own power cable with appropriate UK plug.

Q: Can I use this in a mini-ITX case?

A: Check your case dimensions as this PSU may be too large for some mini-ITX builds.

Q: What’s the fan noise level?

A: The temperature-controlled fan operates quietly, with noise levels increasing only under heavy load.

Q: Is this a modular PSU?

A: No, all cables are permanently attached to the PSU.

The Consultant’s verdict & warranty

The TARGET M-400U offers excellent value for users building or upgrading compact home and office PCs where quiet operation and reliable power delivery are priorities. Its comprehensive protection features and efficient design make it a solid choice for everyday computing needs. Covered by the standard Manufacturer Warranty.