HP 644744-001 Chicony Switching Power Supply 350W S10-350P1A 629015-001 A4409

( Brand: Hp ), ( Manufacturer Part Number: 644744-001 ), ( Part Type: Supply ), ( Maximum Output Power: 350 W )

Review HP Chicony 350w Switching Power Supply

The **HP 644744-001 Chicony 350W Switching Power Supply (Model S10-350P1A, Part Number 629015-001, A4409)** is a high-performance, modular, and reliable power supply unit designed to deliver consistent and efficient electrical power to a wide range of enterprise-grade computing and networking equipment. Engineered with precision and built to meet stringent industry standards, this power supply is a critical component for maintaining operational stability in servers, workstations, and other mission-critical systems. Weighing in at a compact yet robust form factor, it is optimized for seamless integration into HP ProLiant and other compatible server chassis, ensuring optimal airflow and thermal management while occupying minimal space. The unit operates at a nominal input voltage range of **100-240V AC**, making it versatile for deployment in global environments without the need for additional voltage adapters, and features an **80 PLUS Bronze certification**, indicating its commitment to energy efficiency with a power factor correction mechanism that minimizes wasted energy and reduces operational costs.

At its core, the **350W switching power supply** employs advanced switching technology to convert and regulate AC power into the stable DC output required by modern hardware, delivering a **5V DC output** with a current capacity of up to **70A**, sufficient to power high-end processors, GPUs, and other demanding components. Its modular design allows for easy replacement or upgrade, reducing downtime and simplifying maintenance procedures, while the inclusion of **PFC (Power Factor Correction)** technology ensures compliance with energy regulations and enhances overall system efficiency. The power supply is equipped with **overvoltage, overcurrent, and short-circuit protection**, safeguarding connected devices from potential damage due to electrical anomalies, and its robust construction ensures durability in environments with varying temperature and humidity levels. Additionally, the unit is designed with **fanless operation** in lower power modes, contributing to quieter operation and reduced wear over time, though it incorporates a cooling fan for higher load conditions to maintain optimal performance.

This power supply is particularly well-suited for **HP ProLiant servers**, including models such as the DL series, BL series, and other compatible enterprise systems, where reliability and performance are non-negotiable. Its **OEM compatibility** extends beyond HP, making it a versatile choice for IT administrators managing mixed environments, and its **long-term availability** ensures that replacement parts remain accessible even as older server models continue in service. The **S10-350P1A** designation indicates its specific model variant, which may include additional features such as **remote management capabilities** or **hot-swappable functionality**, depending on the server configuration. Whether deployed in a data center, small business office, or remote server rack, this power supply exemplifies HP s dedication to delivering high-quality, dependable components that support the backbone of modern computing infrastructure. Its combination of efficiency, protection, and adaptability makes it an indispensable asset for any system requiring a dependable and high-performance power solution.

### **Pros and Cons of buying a HP 644744-001 (Chicony 350W Switching Power Supply S10-350P1A / 629015-001 / A4409)**

1. **Compatibility with HP Workstations** This power supply is designed specifically for HP workstations, particularly models like the Z800, Z820, Z840, and Z240. It ensures proper voltage regulation and efficiency for these systems.

2. **High Power Output (350W)** Sufficient for mid-range to high-end workstations, supporting multiple GPUs (if compatible) and demanding workloads.

3. **Switching Design** More efficient than linear power supplies, reducing heat generation and improving energy savings.

4. **Modular or Non-Modular?** While the exact configuration isn t specified, many similar HP power supplies are semi-modular or non-modular, allowing for better cable management in some cases.

5. **Reliability from a Reputable Brand** HP and Chicony (a trusted manufacturer) have a history of producing stable power supplies for enterprise and professional use.

6. **Ease of Replacement** A direct replacement for failing HP power supplies, reducing compatibility issues.

7. **Potential Cost Savings** Often cheaper than new OEM units, especially if sourced from trusted refurbished or third-party sellers.

1. **Age of the Design** Older power supplies (common in enterprise hardware) may lack modern features like full modularity, higher efficiency ratings (e.g., 80 Plus Gold), or advanced protection circuits.

2. **Limited Availability** As HP phases out older workstations, finding genuine replacements can be difficult, especially if the part is discontinued.

3. **Potential for Counterfeit Units** If purchased from untrusted sellers, there s a risk of receiving a fake or low-quality replica, which could fail prematurely or damage the system.

4. **No Active Cooling** Most switching power supplies rely on passive cooling (fans may spin only under load). If the system is in a hot environment, this could lead to overheating.

5. **No Overvoltage/Undervoltage Protection** Older power supplies may lack advanced protection features found in newer units, increasing the risk of damage if voltage fluctuations occur.

6. **Compatibility with Non-HP Systems** While it may work in some compatible cases, it s not guaranteed to fit or function properly in non-HP workstations without modifications.

7. **Warranty Issues** Third-party or refurbished units may not come with a warranty, leaving you without support if the power supply fails.

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### **Conclusion**

The **HP 644744-001 (Chicony 350W)** is a solid choice if you need a **direct replacement for an older HP workstation** and can verify its authenticity. It offers **reliability, compatibility, and sufficient power** for its intended use. However, if you re looking for **modern efficiency, modularity, or advanced protection**, a newer power supply (even from a different brand) might be a better long-term investment.

For **budget-conscious users repairing older HP systems**, this is a practical option **but only if sourced from a trusted seller**. If you re upgrading a system, consider a **higher-efficiency, modular power supply** for better performance and flexibility.

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- **Buy from a reputable seller** (e.g., HP Authorized Refurbished, eBay with verified feedback, or trusted tech marketplaces) to avoid counterfeit units.

- **Check compatibility** with your exact workstation model to ensure physical and electrical fit.

- **Consider a newer power supply** (e.g., Corsair, EVGA, or Seasonic) if you re building or upgrading a system for future-proofing.

- **Test the power supply** before full installation to confirm it powers on and regulates voltage correctly.

If you re certain about the unit s authenticity and need a **direct HP replacement**, proceed with confidence. Otherwise, weigh the trade-offs against modern alternatives.

Details:

Tested and working fast free shipping.

part #: 644744001 prices

• $49.95-$108.62

specifications serverpowe:

• brand: Hp
• mpn: 644744-001
• part type: Supply
• maximum output power: 350 W

shipping serverpowe:

• class: Standard
• carrier: USPS
• cost: $0.00
• type: Calculated
• transit: 4-10 Days
• service: USPS Ground Advantage

general serverpowe:

• condition: Used
• Enterprise Networking, Servers > Server Components > Server Power Supplies

offer serverpowe:

• quantity: 1
• sold: 0
• started: March 10, 2026
• availability: In Stock
• options: Ship-to-home

seller serverpowe:

• city: Indianapolis, Indiana
• rating: 100.0%
• # reviews: 106

payments serverpowe:

• credit card: Visa
• other
• wallet: Apple-pay

returns serverpowe:

• policy: No Returns

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