DELL 0KCFKN Precision Desktop Power Supply Kcfkn 3640 460W AC460EGM-00

( Brand: Dell ), ( Manufacturer Part Number: 0KCFKN ), ( Part Type: Supply ), ( Compatible Model: Ac460egm-00 ), ( Country Of Origin: China )

Review DELL Precision 460w Desktop Power Supply Kcfkn

The **Dell 0KCFKN Precision 3640 460W Desktop Power Supply (AC460EGM-00)** is a high-performance, modular power solution engineered to deliver reliable and efficient energy distribution for Dell s premium Precision Workstation series, specifically the **Precision 3640**. Designed with enterprise-grade durability and precision engineering, this power supply unit (PSU) is built to sustain the demanding workloads of professional-grade computing, including CAD, 3D rendering, video editing, and AI-driven applications. With a **460-watt output**, it provides ample headroom for high-end GPUs, multi-core processors, and extensive RAM configurations, ensuring stable performance even under peak loads. The **modular design** enhances cable management and airflow within the system, reducing thermal throttling and improving overall efficiency, while the **80 PLUS Bronze certification** confirms its commitment to energy savings, converting power with minimal waste and reducing operational costs over time.

This power supply features **active PFC (Power Factor Correction)**, which optimizes power consumption by aligning the electrical current and voltage phases, resulting in smoother operation and lower strain on the electrical grid. The **fully modular design** allows users to connect only the necessary cables, minimizing clutter and improving airflow within the chassis, which is particularly beneficial for maintaining optimal temperatures in high-performance workstations. The **high-quality capacitors and robust cooling system** ensure long-term reliability, reducing the risk of failure even in demanding environments where continuous operation is critical. Additionally, the **ATX 2.3 form factor** ensures compatibility with a wide range of Dell Precision Workstation cases, making it a versatile choice for both desktop and mobile workstation setups.

Built to meet **Dell s stringent quality standards**, this power supply incorporates **overcurrent, overvoltage, and short-circuit protections**, safeguarding both the system and connected peripherals from potential damage. The **efficient fan design** operates quietly at lower loads but ramps up dynamically when necessary, balancing performance and noise levels to maintain a professional workspace environment. Whether deployed in a corporate IT setting, a creative studio, or a high-end engineering workspace, the **Dell 0KCFKN Precision 3640 460W PSU** exemplifies reliability, efficiency, and adaptability, making it an indispensable component for professionals who demand nothing less than peak performance from their workstations.

### Pros and Cons of buying a Dell 0KCFKN Precision 3640 460W Desktop Power Supply (AC460EGM-00)

1. **High Power Output** The 460W power supply is designed for demanding workstations, making it suitable for high-performance computing, rendering, or multi-GPU setups. It can handle powerful processors, GPUs, and multiple storage drives without overheating.

2. **Reliability and Brand Trust** Dell is a well-established brand known for quality hardware, especially in enterprise and professional workstation components. This power supply is likely built to last with robust internal components.

3. **Modular or Semi-Modular Design** The AC460EGM-00 appears to be semi-modular (based on Dell s typical configurations), allowing for easier cable management compared to fully non-modular units. This can improve airflow and aesthetics in a well-built system.

4. **Efficiency Rating** Dell power supplies often meet or exceed 80 Plus Bronze, Silver, or Gold efficiency standards, reducing energy waste and operational costs over time.

5. **Compatibility with Precision Workstations** This PSU is specifically designed for Dell Precision 3640 workstations, ensuring proper voltage regulation, cooling, and compatibility with Dell s motherboards and components.

6. **Durability and Cooling** The 3640 series is known for its robust cooling solutions, and the 460W PSU likely includes a high-quality fan and heatsink to prevent thermal throttling under heavy loads.

7. **Warranty and Support** Dell typically offers extended warranties (often 3 5 years) and reliable customer support, which can be valuable for businesses or professionals relying on their systems.

8. **Future-Proofing** A 460W PSU provides headroom for upgrades, such as adding more RAM, storage, or even a secondary GPU in some configurations.

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1. **Overkill for Light Use** If you re using a low-end CPU (e.g., Intel Core i3 or AMD Ryzen 3) and a single mid-range GPU, a 460W PSU is significantly more power than needed. This can lead to inefficiency and higher electricity costs without benefits.

2. **Cost** Dell s enterprise-grade components often come at a premium compared to third-party PSUs from brands like Corsair, EVGA, or Seasonic. For the same price, you might get a higher-quality or more efficient unit from a specialized manufacturer.

3. **Bulkiness and Size** The 3640 chassis is large (typically ATX form factor), and the PSU may take up significant space. If you re upgrading an existing system, ensure the case can accommodate it without airflow restrictions.

4. **Limited Customization** Unlike third-party PSUs, you cannot choose between modular, semi-modular, or fully non-modular configurations. Dell s default setup may not align with your cable management preferences.

5. **Potential for Obsolescence** Dell s Precision line is targeted at professionals, and while the hardware is durable, the PSU may become outdated if you later switch to a more energy-efficient CPU/GPU combo (e.g., newer AMD/Intel CPUs with lower TDP).

6. **No Overvoltage Protection (OVP) or Undervoltage Protection (UVP) Customization** Some third-party PSUs offer adjustable voltage settings for overclocking, which may be useful for enthusiasts. Dell s PSUs typically have fixed voltage outputs.

7. **Resale Value** Dell s proprietary components (including PSUs) may not hold value as well as generic ATX PSUs, which have a broader market for resale or swapping.

8. **Potential for Higher Noise** Some Dell PSUs, especially in high-performance models, can be louder than quieter third-party alternatives, which may be noticeable in a home office or silent workspace.

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### **Conclusion and Recommendation**

- You are building or upgrading a **high-performance workstation** (e.g., for video editing, 3D rendering, AI/ML, or multi-GPU setups).

- You prioritize **reliability, warranty, and brand support** over cost savings.

- Your system requires **high power delivery** and you want to avoid compatibility issues with Dell s hardware.

- You are okay with paying a premium for an enterprise-grade component.

- You are using a **low-to-mid-range system** (e.g., office work, light gaming, or basic productivity tasks), a **250W 350W PSU** from a reputable third-party brand (e.g., Corsair RMx, EVGA SuperNOVA, or Seasonic Focus) would be more efficient and cost-effective.

- You prefer **modular cables, higher efficiency (80 Plus Gold), or quieter operation**, third-party PSUs offer more flexibility.

- You plan to **upgrade your system frequently**, a higher-wattage PSU may not be necessary immediately.

- **Buy the Dell PSU if:** You need a **durable, high-power solution** for a workstation and value Dell s support and compatibility.

- **Avoid the Dell PSU if:** You re on a budget, need a quieter/faster PSU, or can use a lower-wattage unit for your workload. In that case, invest in a **high-quality third-party PSU** (e.g., Corsair RM750x, EVGA SuperNOVA 1000W) for better efficiency and features.

For most **gaming or general-purpose PCs**, a **650W 750W PSU** (even at 460W capacity) would be overkill, and a **350W 550W unit** would suffice. Only opt for the Dell PSU if your specific use case demands its power output.

Details:

This is a working power supply that was pulled from system split into parts, it has been tested and in excellent condition with no known issues. Warranty: A 30 day DOA warranty is included. Exact item pictured, Specifications: model Number: See Pictures. Serial Number: See Pictures.

part #: 0kcfkn prices

• $24.99-$59.98

specifications powesupplipar:

• brand: Dell
• mpn: 0kcfkn
• part type: Supply
• compatible model: Ac460egm-00
• country of origin: China

returns powesupplipar:

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

payments powesupplipar:

• wallet: Google-pay
• credit card: Discover
• other

seller powesupplipar:

• rating: 99.7%
• # reviews: 8365
• city: Bowie, Maryland

general powesupplipar:

• Radio Communication > Parts Accessories > Power Supplies
• condition: Used

offer powesupplipar:

• started: May 12, 2026
• best offers: True
• availability: In Stock
• quantity: 1
• sold: 0
• options: Ship-to-home

shipping powesupplipar:

• class: Economy
• transit: 3-8 Days
• service: Economy
• cost: $15.00
• type: Fixed

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