Synology Open Frame PSU 100W_4 - Power Supply Unit (Internal)

The Synology Open Frame PSU 100W_4 is a high-efficiency internal power supply unit designed for Synology NAS systems. With a compact open frame design and fanless convection cooling, it delivers reliable 100W power output with active PFC and multiple protection features.

Advantages

This power supply offers stable and efficient power delivery with >85% efficiency, active power factor correction, and comprehensive protection against over voltage, over current, short circuit, over power, and over temperature. Its fanless design ensures silent operation, making it ideal for noise-sensitive environments.

Suitable for

• Synology NAS systems requiring a 100W internal power supply
• Rackmount or desktop setups where silent operation is desired
• Applications needing reliable power with multiple output voltages

Key specifications

• Power Output: 100 W
• Form Factor: Open Frame
• Input Voltage: 90 - 264 VAC
• Input Frequency: 47 - 63 Hz
• Output Voltages: +5V @ 10A, +12V @ 4A, +3.3V @ 8A, -12V @ 0.5A, +5Vsb @ 2A
• Efficiency: >85% (at 230VAC, full load)
• Power Factor Correction: Active PFC
• Protection: OVP, OCP, SCP, OPP, OTP
• Cooling: Convection (Fanless)
• Operating Temperature: 0°C to 50°C
• Safety Certifications: UL, cUL, TUV, CE, CB, FCC
• Hold-up Time: >16 ms (at full load, 115VAC)
• Ripple & Noise: <1% (Vp-p)
• MTBF: >100,000 hours (at 25°C, full load)
• Connector Type: Terminal Block / Pin Header
• Compliance: RoHS

Recommendations

Ensure compatibility with your Synology NAS model. This power supply is intended for internal installation. Professional installation recommended.