STORAGETEK ST001A400FSW Power Supply 400W 107902901

( Brand: Storagetek ), ( Manufacturer Part Number: ST001A400FSW ), ( Part Type: Supply ), ( Country Of Origin: Thailand )

Review STORAGETEK Storage Tek Power Supply

The **StorageTek ST001A400FSW 107902901 400W Power Supply** is a high-performance, enterprise-grade power module meticulously engineered to deliver reliable and efficient electrical distribution for critical storage and data infrastructure systems. Designed with robust engineering standards, this power supply is a cornerstone component in StorageTek s high-density storage solutions, ensuring seamless operation in mission-critical environments where uptime and data integrity are paramount. Built to meet stringent industry requirements, including compliance with strict electromagnetic interference (EMI) and safety regulations, this unit features a **400-watt nominal power output**, providing ample capacity to sustain demanding workloads while maintaining operational stability. Its **hot-swappable design** allows for unplanned replacements without disrupting system functionality, minimizing downtime and enhancing system resilience in large-scale storage arrays. The power supply incorporates advanced **PFC (Power Factor Correction)** technology, optimizing energy efficiency and reducing harmonic distortions, which not only lowers operational costs but also aligns with environmentally conscious data center practices. Constructed with high-quality, durable components, including reinforced capacitors and a robust cooling system, this unit is engineered to withstand prolonged operation in challenging thermal conditions, ensuring longevity and dependable performance even under sustained heavy loads. Ideal for integration into StorageTek s **ST001 series** and other high-end storage platforms, this power supply module exemplifies precision engineering, offering a balance of power density, reliability, and scalability for enterprise-level storage environments. Whether deployed in a high-performance computing cluster, a large-scale data warehouse, or a critical backup infrastructure, the **ST001A400FSW** serves as a dependable power backbone, safeguarding against voltage fluctuations and ensuring consistent energy delivery to maintain the integrity of stored data.

The **StorageTek ST001A400FSW 400W power supply (Part #107902901)** is a specialized component originally designed for StorageTek tape libraries and automated storage systems. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **Compatibility with Legacy Systems**

The power supply is specifically engineered for StorageTek tape libraries, such as the **TS1100, TS1110, TS1120, or TS1130**, as well as other StorageTek automated storage units. If you are maintaining or upgrading an older StorageTek system, this part is a direct replacement and ensures seamless integration without compatibility issues.

2. **Reliability and Durability**

StorageTek components were built for high-availability environments, such as data centers, where uptime is critical. The power supply is designed to handle continuous operation with minimal failure risk, assuming it is installed correctly and maintained.

3. **Standardized Power Output**

The 400W power supply provides consistent power delivery, which is essential for preventing voltage fluctuations that could damage sensitive storage hardware. This stability is particularly important for tape drives and robotic controllers that rely on precise electrical signals.

4. **Ease of Replacement**

Since this is an OEM part, it is designed to drop-in replace the original unit without requiring modifications to the system. This simplifies maintenance and reduces downtime compared to third-party alternatives that may not fit perfectly.

5. **Availability of Technical Support**

As an original StorageTek component, it may still be supported by authorized StorageTek or EMC (which acquired StorageTek) resellers or technical documentation. This can be helpful for troubleshooting or warranty claims, though support may be limited depending on the age of the part.

6. **Energy Efficiency for Its Class**

While not the most modern in terms of efficiency (likely around 70-80% efficiency), it is adequate for its intended use in legacy systems where energy consumption is not the primary concern.

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### **Cons**

1. **Age and Obsolescence**

StorageTek was acquired by EMC in 2005, and many of its products, including this power supply, are no longer in production. Finding a replacement may require sourcing from used markets, eBay, or specialized refurbished hardware suppliers. This increases the risk of counterfeit or damaged units.

2. **Limited Availability of Spare Parts**

Since the system is outdated, finding compatible replacement parts (e.g., capacitors, connectors) for repairs beyond the power supply may be difficult or expensive. This could lead to higher long-term maintenance costs.

3. **Compatibility with Modern Systems**

If you are not using a StorageTek system, this power supply is **not useful** for other applications (e.g., servers, workstations, or modern tape libraries from other vendors like Spectra Logic or Quantum). It is a niche part with no broader applicability.

4. **Potential for Counterfeit or Damaged Units**

Due to its age, the secondary market may flood with refurbished or used units of unknown quality. Without proper testing or certification, a faulty power supply could cause system failures, data loss, or hardware damage.

5. **No Warranty or Return Policy**

Purchasing from a third-party seller (e.g., eBay, Facebook Marketplace) typically means no warranty or return options. If the unit fails shortly after purchase, you may be left without support.

6. **Higher Cost Relative to Modern Alternatives**

If you are replacing a StorageTek system with a modern tape library, the cost of this power supply may not justify the investment. Modern alternatives (e.g., Spectra Logic tape libraries) offer better performance, scalability, and support at a comparable or lower total cost of ownership.

7. **Environmental and Compliance Risks**

Older power supplies may not meet modern energy efficiency standards (e.g., 80 Plus) or regulatory requirements (e.g., RoHS compliance in newer versions). While this unit likely complies with older standards, this is less relevant for most modern deployments.

8. **Lack of Software or Firmware Updates**

Unlike modern hardware, this power supply does not receive firmware updates or security patches. Any vulnerabilities in the original design remain unaddressed.

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### **Conclusion**

The **StorageTek ST001A400FSW 400W power supply** is a viable choice **only if you are maintaining or repairing a legacy StorageTek tape library or automated storage system**. Its strengths lie in its direct compatibility, reliability for its intended use, and ease of replacement within its ecosystem. However, its age, limited availability, and lack of broader applicability make it a risky or unnecessary purchase for most other scenarios.

For users of modern tape libraries or those looking to upgrade, this part is **not recommended** due to the lack of long-term support, higher costs, and the availability of more efficient and supported alternatives.

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### **Recommendation**

Proceed with caution. Purchase from a trusted seller (e.g., an authorized EMC/StorageTek reseller, a reputable used hardware dealer, or a supplier with return policies). Test the unit before installation to ensure it functions correctly. Consider keeping a spare in case of failure.

Avoid this power supply entirely. Instead, invest in a modern tape library from vendors like **Spectra Logic, Quantum, or Oracle** that offer better performance, scalability, and support. The long-term savings in maintenance, reliability, and compatibility far outweigh the cost of upgrading.

Do not use this part. Modern ATX or server-grade power supplies (e.g., from Corsair, Supermicro, or Dell) are far more versatile and cost-effective.

For legacy systems where this part is unavoidable, prioritize **quality sourcing, testing, and documentation** to mitigate risks. Otherwise, modern alternatives are the clear choice.

Details:

Orders $250 may require a signature. Shipping: Domestic USA: Free shipping unless noted. Find More Great Deals!: Browse our full selection at. Storage tek 400W Power Supply, ST001A400FSW, 107902901:: Item is in good physical condition with normal signs of use light scratches, scuffs, etc.

Please reach out to the brand directly. Only what is pictured included.

part #: st001a400fsw prices

• $99.99-$205.00

specifications serverpowe:

• brand: Storagetek
• mpn: St001a400fsw
• part type: Supply
• country of origin: Thailand

returns serverpowe:

• policy: No Returns

shipping serverpowe:

• transit: 2-6 Days
• class: Standard
• type: Fixed
• cost: $0.00
• service: Standard

seller serverpowe:

• rating: 100.0%
• city: Columbus, Ohio
• # reviews: 715

payments serverpowe:

• credit card: Mastercard
• other
• wallet: Paypal

offer serverpowe:

• best offers: True
• options: Ship-to-home
• quantity: 5
• availability: In Stock
• started: February 19, 2026
• sold: 0

general serverpowe:

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

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