Target M-400U 400W Micro ATX Power Supply

Model: M-400U

The Target M-400U 400W Micro ATX Power Supply is a dependable and cost-effective solution for compact desktop systems. Designed as an ideal replacement PSU for Micro ATX and SFX-style cases, it delivers stable power output with quiet operation.

Equipped with an 80mm temperature-controlled fan, the M-400U ensures efficient cooling while maintaining low noise levels, making it suitable for home and office environments.

Key Features & Benefits

✔ 400W output capacity for compact desktop PCs
✔ Ultra-quiet 80mm temperature-controlled fan
✔ ATX 12V compliant for wide motherboard compatibility
✔ Passive Power Factor Control (PFC)
✔ Multiple SATA and Molex connectors for storage and peripherals
✔ Built-in protection: OVP / UVP / OPP
✔ CE, FCC and RoHS certified
✔ Long operational lifespan with high MTBF rating

Technical Specifications

General

Model: M-400U
Type: Intel ATX12V 2.31
Dimensions (W × H × D): 125mm × 65mm × 100mm
Output capacity: 400W
Operating temperature: Up to 45°C
Fan: 80mm

Input

Input voltage: 230Vac
Input current: 4A
Frequency range: 50–60Hz
PFC: Passive
Power good signal: 150–450ms
Hold-up time: 1–40ms
Efficiency: >75% typical

Reliability & Protection

MTBF: >100,000 hours
Protection features:
• OVP (Over Voltage Protection)
• UVP (Under Voltage Protection)
• OPP (Over Power Protection)

Connectors

1 × 20+4 Pin Main Connector
1 × P4 4-Pin 12V CPU Connector
4 × 4-Pin Molex Peripheral Connectors
2 × SATA Connectors
1 × Floppy Drive Connector

Ideal For

• Micro ATX desktop PCs
• Compact office systems
• Home computing setups
• Replacement power supplies
• Basic workstation builds

Why Choose the Target M-400U?

The M-400U offers a reliable and quiet power solution for compact systems. With essential protection features, stable 400W output, and sufficient connectivity for storage and peripherals, it is well suited to everyday home and business environments where consistent performance is required.