Description

Synology PSU250w 5 250W Power Supply Unit

Meta Description

Replace or upgrade your NAS power source with the Synology PSU250W 5. This 250W internal power supply delivers reliable, quiet, and efficient operation for select Synology DiskStation and RackStation models.

Product Description

Synology PSU250W 5 is a genuine 250W internal power supply unit designed specifically for compatible Synology NAS systems. Engineered for reliability, energy efficiency, and low-noise operation, it’s the ideal replacement or upgrade for units experiencing power issues or requiring maintenance.

Built with long-term stability in mind, this PSU ensures that your NAS hardware receives consistent and clean power—critical for environments that demand 24/7 uptime, such as business data centers, home media servers, and backup storage deployments.

Technical Specifications

Component Details
Model Synology PSU250W 5
Power Output 250W
Input Voltage 100–240V AC, 50/60Hz
Compatibility Selected Synology NAS models (check support)
Cooling Internal fan (low-noise design)
Efficiency High-efficiency rated (non-modular)
Protection Features OVP (Over Voltage), OCP (Over Current), SCP (Short Circuit)
Installation Internal screw-mount design

Why Choose Synology PSU250W 5?

  • Trusted Compatibility: Fully tested and approved for Synology NAS enclosures

  • Peace of Mind: Designed with integrated safety mechanisms for 24/7 reliability

  • No Firmware Issues: Unlike third-party PSUs, it’s guaranteed to work with Synology’s DSM OS

  • Longevity: Reliable power supply designed to run continuously under load

  • Perfect Replacement: Ideal for systems with degraded or failing PSUs

FAQs

Q1: Which NAS models are compatible with the PSU250W 5?
This unit supports select models in Synology’s DiskStation and RackStation lines. Refer to Synology’s official hardware compatibility list to confirm.

Q2: Is installation complicated?
Not at all. The PSU installs internally via standard screw mounts and connectors. Follow Synology’s user manual for step-by-step guidance.

Q3: What if my NAS doesn’t power on—could this be the issue?
Yes. A failing power supply is often the cause of NAS startup issues. If lights do not turn on or fans remain silent, replacing the PSU may resolve the problem.

Q4: Does it include power cables?
Typically, the unit includes internal cabling to connect to the NAS motherboard. AC cables are usually sold separately or reused from the original setup.

Q5: Can I use a third-party power supply?
While possible, it’s not recommended. Only Synology-certified PSUs ensure full compatibility and safe operation with DSM and NAS hardware.

Q6: How noisy is the cooling fan?
The PSU includes a low-noise fan optimized for quiet environments, ideal for home and office setups.