Description
Supermicro PWS-441P-1H Redundant Power Supply
The Supermicro PWS-441P-1H redundant power supply is engineered for mainstream 1U server environments where uptime, reliability, and efficiency matter most. This high-output PSU provides up to 440W/480W to power essential workloads while maintaining excellent energy efficiency and thermal performance. With 80 Plus certification and active Power Factor Correction (PFC), the PWS-441P-1H helps reduce power waste and heat, contributing to lower operating costs and a cooler data center footprint. Its redundant design is built to minimize single-point failures, making it a robust choice for data centers, enterprise racks, and edge deployments where data integrity and continuous operation are non-negotiable. A 3.3 V DC output rail is optimized to support critical system components, ensuring stable power delivery during boot, peak processing, and demanding workloads. Designed for seamless integration into standard 1U server chassis, this power supply is compatible with a broad range of Supermicro motherboards and server configurations, delivering dependable power where it’s needed most.
- Up to 440W/480W high output for mainstream 1U server systems, delivering reliable power under varying load conditions.
- 80 Plus certified with active PFC for high efficiency, reduced heat, and lower operating costs across diverse workloads.
- Redundant power rail design enhances system uptime, helping protect against power-related data loss and process interruptions.
- 3.3 V DC output supports critical components and memory stability, contributing to safer startup and consistent performance.
- Compact 1U form factor fits standard server chassis and simplifies deployment in dense rack environments.
Technical Details of Supermicro PWS-441P-1H
The PWS-441P-1H is engineered to deliver dependable power for demanding 1U servers. Its redundancy, efficiency, and compact form factor make it a practical choice for data centers and edge locations requiring reliable power delivery without unnecessary heat or energy waste. While the product details emphasize high output, 80 Plus certification, active PFC, and a 3.3 V rail for safety, this section highlights how those features translate into real-world benefits: consistent performance during peak loads, improved energy efficiency, and smoother operation of memory, processors, and I/O devices in a compact, serviceable package.
- Model: PWS-441P-1H
- Type: Redundant Power Supply
- Form Factor: 1U
- Output: Up to 440W/480W high output
- Efficiency: 80 Plus certified
- Power Factor Correction: Active PFC
- DC Output: 3.3 V DC rail for critical components
- Applications: Suitable for mainstream 1U server systems and compatible Supermicro platforms
In practical terms, the PWS-441P-1H is designed to deliver stable, clean power with minimal ripple, helping to protect sensitive components from power fluctuations. The 3.3 V rail supports components that rely on a steady voltage for reliable operation during boot, memory initialization, and heavy I/O tasks. The combination of redundancy and high-efficiency operation translates to lower operational costs and improved system reliability over time, which is essential for environments where uptime translates directly into productivity and business continuity.
How to install Supermicro PWS-441P-1H
Installing the PWS-441P-1H should be performed with the system powered down and unplugged. Follow these general steps to install the redundant power supply in a standard 1U server chassis:
- Power down the server, unplug all power cords, and ground yourself to prevent static damage.
- Open the chassis access panel to reveal the power supply bays and connectors.
- Align the PWS-441P-1H with the available redundant PSU bay, ensuring the connectors line up with the backplane and power rails.
- Secure the PSU into the chassis using the appropriate mounting hardware, making sure it is firmly seated.
- Connect the required power cables from the redundant rails to the motherboard, backplane, and other essential components, following the system manual for proper pin assignments and feed-through routing.
- Reconnect external power, re-check cable routing to maximize airflow, and power on the server to confirm proper operation and redundancy.
- Verify system POST, check for proper voltage readings in the BIOS/UEFI or vendor diagnostics, and monitor for any alerts related to power or thermal conditions.
Frequently asked questions
- What output does the PWS-441P-1H provide? It delivers up to 440W/480W of high output power for mainstream 1U servers, with performance varying by load and configuration.
- Is this a redundant power supply? Yes, the PWS-441P-1H is designed as a redundant power supply to improve uptime and protect against single-point failures in critical environments.
- Is it 80 Plus certified? Yes, this power supply is 80 Plus certified and includes active PFC to improve efficiency and reduce heat generation.
- What voltage is the DC output? The PSU includes a 3.3 V DC rail to support essential components during operation and boot sequences.
- Which systems is it compatible with? It is intended for mainstream 1U server systems and is designed to work with compatible Supermicro platforms and backplanes that support this model.
- Does it support hot-swapping? The provided details do not specify hot-swapping capabilities; refer to official product documentation for confirmation.
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