LENOVO 02YF639 Power Supply Thinksystem Fru DPS-2000HB 2000W SR950/SR850 P/n

( Brand: Lenovo ), ( Manufacturer Part Number: 02YF639 ), ( Part Type: Supply ), ( Compatible Brand: For Lenovo ), ( Maximum Output Power: 2000 W ), ( Product Line: Thinksystem )

Review LENOVO Dps 2000 Hb Power Supply Thinksystem Sr950/sr850 Fru P/n

The **Lenovo 02YF639 DPS-2000HB 2000W Power Supply Unit (PSU)** is a high-performance, fully redundant, and hot-swappable power solution engineered specifically for the **ThinkSystem SR950 and SR850** rack servers, designed to deliver uncompromising reliability, efficiency, and scalability in demanding enterprise environments. Part of Lenovo s **Fully Redundant Unit (FRU)** lineup, this power supply is built to meet the rigorous demands of modern data centers, where uptime, energy efficiency, and fault tolerance are paramount. With a robust **2000-watt output**, the DPS-2000HB ensures ample power delivery for high-end workloads, including AI/ML inference, virtualization, and high-performance computing (HPC) applications, while maintaining a **PFC (Power Factor Correction) of 0.95**, which optimizes energy consumption and reduces strain on the electrical grid. Its **80 PLUS Platinum certification** further underscores its efficiency, converting up to **92% of input power into usable output**, thereby minimizing operational costs and heat generation critical factors in maintaining a stable server environment.

Constructed with **industry-leading components**, this power supply features **active PFC and digital voltage regulation (DVR)**, which not only enhance power quality but also extend the lifespan of connected hardware by mitigating voltage fluctuations and transients. The unit incorporates **Lenovo s proprietary cooling technology**, including **high-efficiency fans with variable speed control**, ensuring consistent airflow and thermal management even under peak loads. Its **hot-swappable design** allows for seamless maintenance without disrupting server operations, a critical feature in mission-critical deployments where downtime is unacceptable. The DPS-2000HB is also **fully redundant**, meaning it can operate independently alongside a secondary PSU, providing failover protection and ensuring continuous operation in the event of a single unit failure. This redundancy is further reinforced by **Lenovo s advanced monitoring and diagnostics**, which provide real-time feedback on power status, efficiency metrics, and potential issues, enabling proactive maintenance and troubleshooting.

Beyond its technical specifications, the **02YF639 DPS-2000HB** is engineered with **enterprise-grade reliability**, adhering to strict **IEC 62368-1 and UL 62368-1 safety standards**, as well as **RoHS and REACH compliance**, ensuring it meets global environmental and regulatory requirements. Its **compact yet robust form factor** is optimized for dense server racks, making it an ideal choice for space-constrained data centers. Whether deployed in a **high-availability cluster, a cloud infrastructure, or a large-scale enterprise deployment**, this power supply unit delivers the **power, efficiency, and resilience** required to support next-generation computing demands. For organizations prioritizing **uptime, energy savings, and long-term cost efficiency**, the Lenovo DPS-2000HB stands as a **premium, mission-critical solution** designed to elevate the performance and reliability of the ThinkSystem SR950 and SR850 platforms.

### **Pros and Cons of buying a Lenovo 02YF639 (DPS-2000HB, 2000W Power Supply for ThinkSystem SR950/SR850 FRU)**

1. **High Power Capacity (2000W)** Suitable for high-performance workloads, dense server configurations, or future-proofing against increased power demands.

2. **Hot-Plug Capability** Allows for easy replacement without shutting down the server, minimizing downtime.

3. **Redundancy Support** Can be used in redundant configurations (e.g., dual PSUs) for improved reliability and failover protection.

4. **Lenovo FRU Compatibility** Officially designed as a Field Replaceable Unit (FRU) for the ThinkSystem SR950/SR850, ensuring proper fit and functionality.

5. **Efficiency & Cooling** Likely includes advanced cooling and efficiency features to handle sustained high loads without overheating.

6. **Warranty & Support** Purchasing through Lenovo or an authorized reseller ensures warranty coverage and access to technical support.

7. **Compatibility with High-Demand Components** Useful for servers with multiple GPUs, high-end CPUs, or storage-intensive configurations.

1. **High Cost** A 2000W power supply is significantly more expensive than standard units (e.g., 800W 1200W PSUs), which may not be cost-effective for low-power workloads.

2. **Overkill for Light Workloads** If the server is not heavily loaded, the extra power capacity is wasted, leading to inefficiency and higher electricity costs.

3. **Bulkiness & Space Requirements** A 2000W PSU is larger and heavier than smaller units, potentially limiting rack space or requiring additional ventilation.

4. **Potential for Higher Noise** High-power PSUs often generate more heat and noise, which may be an issue in quiet data centers.

5. **Energy Consumption** Running a 2000W PSU at partial load can still draw significant power, increasing operational costs.

6. **Limited Availability** High-end PSUs like this may not be as widely stocked as standard units, requiring special ordering.

7. **Potential for Overkill in Redundancy** If only one PSU is needed, a lower-wattage unit (e.g., 1200W 1600W) may suffice, reducing costs without sacrificing reliability.

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### **Conclusion & Recommendation**

- You require **high power redundancy** for critical, high-demand workloads (e.g., AI/ML, database servers, or dense configurations).

- Your server is **future-proofed** for upgrades that may increase power consumption.

- You are running **multiple GPUs, high-end CPUs, or storage-heavy setups** that necessitate a robust power supply.

However, if your workload is **moderate or low-power**, this PSU is **overkill**, leading to unnecessary expenses in both purchase price and energy consumption. In such cases, a **1200W 1600W PSU** (or dual lower-wattage units in redundancy) would be more cost-effective while still providing reliability.

- **Buy the 2000W PSU** if you need **maximum power capacity, redundancy, or plan to upgrade components soon**.

- **Avoid it** if your workload is **light to moderate**, as a lower-wattage unit (or dual 800W 1200W PSUs) would be sufficient and more economical.

Always verify compatibility with your specific server configuration and consult Lenovo s documentation to ensure optimal performance.

Details:

Any parts not photographed WILL NOT be included. We care about each buyer and strive to solve any problem in the best business manner. Lenovo DPS 2000 HB 2000 W Power Supply For ThinkSystem SR950/SR850 FRU P/N: 02YF639 Tested Working. Please carefully review the photos and details of item before purchasing to avoid buying incorrect.

We must receive return/exchange items. Cosmetic issues are not covered under the guarantee.

part #: 02yf639 prices

• $86.99-$183.99

specifications serverpowe:

• brand: Lenovo
• mpn: 02yf639
• part type: Supply
• compatible brand: For Lenovo
• maximum output power: 2000 W
• product line: Thinksystem

seller serverpowe:

• rating: 99.8%
• # reviews: 2000 9
• city: Saint Paul, Minnesota

offer serverpowe:

• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: April 24, 2026
• quantity: 2

shipping serverpowe:

• transit: 3-5 Days
• service: FedEx Ground / FedEx Home Delivery
• type: Fixed
• carrier: FedEx
• cost: $0.00
• class: Standard

returns serverpowe:

• time: 30 Days
• paid by: Seller
• method: Money back
• policy: Returns Accepted

payments serverpowe:

• credit card: Diners-club
• other
• wallet: Google-pay

general serverpowe:

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

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