SUPERMICRO PWS-1K63A-1R Platinum Server Power Supply 1600W

( Brand: Supermicro ), ( Manufacturer Part Number: PWS-1K63A-1R ), ( Part Type: Server Supply ), ( Form Factor: 1u ), ( Maximum Output Power: 1600 W )

Review SUPERMICRO Platinum Server Power Supply

The **Supermicro PWS-1K63A-1R 1600W 80 Platinum Server Power Supply** is a high-performance, enterprise-grade power solution engineered to deliver uncompromising reliability, efficiency, and scalability for demanding server environments. Part of Supermicro s industry-leading line of power supplies, this unit is meticulously designed to meet the rigorous demands of modern data centers, server rooms, and high-performance computing (HPC) workloads. With a robust **1600-watt output**, it provides ample headroom for power-hungry components such as multi-GPU configurations, high-core-count processors, and dense storage arrays, ensuring seamless operation even under peak loads. Built to the **80 PLUS Platinum certification**, this power supply achieves an impressive **90% efficiency** at 50% load and **89% efficiency at full load**, significantly reducing energy consumption and operational costs while minimizing heat generation a critical advantage in environments where thermal management is a priority.

The **PWS-1K63A-1R** incorporates **active PFC (Power Factor Correction)** to optimize power draw from the grid, reducing harmonic distortion and improving overall system efficiency. Its **fully modular design** allows for flexible cable management, enabling users to connect only the necessary cables, reducing clutter and simplifying maintenance. The power supply features **dual 12V outputs**, each capable of delivering up to **135A**, which is essential for modern servers equipped with high-current GPUs, SSDs, and other power-intensive peripherals. Additionally, it includes **dual 5VSB outputs**, ensuring stable power delivery for auxiliary components like motherboards, network cards, and RAID controllers. Built with **high-quality capacitors and MOSFETs**, this unit is engineered for longevity, with a **mean time between failures (MTBF)** of over **100,000 hours**, making it a dependable choice for mission-critical applications.

Safety and redundancy are paramount in server infrastructure, and the **PWS-1K63A-1R** excels in this regard. It is equipped with **over-voltage, over-current, and short-circuit protection**, along with **over-temperature shutdown** to prevent catastrophic failures. The power supply also supports **hot-swap functionality**, allowing for seamless replacement without disrupting server operations a feature that is invaluable in high-availability environments. Constructed from **high-grade materials**, including a **fully shielded design**, this unit minimizes electromagnetic interference (EMI), ensuring compliance with strict regulatory standards while maintaining optimal performance. Supermicro s rigorous testing protocols guarantee that this power supply operates silently and efficiently, even under sustained heavy loads, contributing to a quieter and more stable server environment.

Ideal for **2U and 4U servers**, rackmount systems, and high-density computing setups, the **Supermicro PWS-1K63A-1R** is a versatile solution that bridges the gap between performance and reliability. Whether deployed in a small business server room, a mid-sized data center, or a cutting-edge HPC cluster, this power supply delivers the power, efficiency, and durability required to sustain continuous operation without compromise. With Supermicro s reputation for innovation and quality, this unit stands as a testament to the brand s commitment to providing enterprise-grade components that elevate the performance and longevity of server infrastructure.

The **Supermicro PWS-1K63A-1R** is a high-end, fully modular 1600W 80 Platinum server-grade power supply designed for demanding workloads. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

---

### **Pros**

1. **High Efficiency (80 Platinum)**

- Achieves up to 92% efficiency at 50% load and 90% efficiency across a wide range of loads, reducing energy costs and heat generation. This is ideal for data centers or high-performance computing environments where power consumption is a concern.

2. **Fully Modular Design**

- All cables are detachable, allowing for a clean cable management setup. This is particularly useful in server racks where space and airflow are critical, as it prevents cable clutter that could obstruct cooling.

3. **Redundancy and Hot-Swap Capability**

- Supports redundant power configurations (though this model is single, Supermicro offers redundant variants like the **PWS-2K63A-1R**). The hot-swap feature (if paired with a redundant unit) allows for seamless failover without downtime, which is essential for mission-critical systems.

4. **Server-Grade Build Quality**

- Designed for 24/7 operation with robust components that can handle high inrush currents and transient surges. Supermicro s power supplies are known for reliability in enterprise and data center environments.

5. **Wide Input Voltage Range (100-240V Auto-Sensing)**

- Operates seamlessly across global power standards without requiring manual adjustments, making it versatile for different regions.

6. **Low Noise Levels**

- The 80 Platinum certification often correlates with quieter operation due to optimized cooling and fan design, which is beneficial in noise-sensitive environments.

7. **Long Lifespan and Durability**

- Built with high-quality capacitors and components that are designed to last for years with minimal degradation, reducing the need for frequent replacements.

8. **Support for High-Power Components**

- The 1600W capacity is sufficient for high-end CPUs, GPUs, or multiple drives, making it suitable for workstations, servers, or HPC setups.

9. **Supermicro s Warranty and Support**

- Supermicro offers industry-standard warranties (typically 3-5 years) and robust customer support, which is crucial for enterprise deployments where reliability is non-negotiable.

10. **Compatibility with Supermicro Systems**

- If you re building or upgrading a Supermicro server, this PSU is optimized for their chassis and motherboards, ensuring seamless integration.

---

### **Cons**

1. **High Cost**

- As a premium server-grade PSU, it is significantly more expensive than consumer-grade units (e.g., Corsair, EVGA, or Seasonic). The price may not be justified for casual users or budget-conscious builds.

2. **Single Redundancy (Non-Redundant Model)**

- The **PWS-1K63A-1R** is a single PSU unit. While it is robust, it lacks redundancy, meaning a failure would require a replacement to restore power. For critical applications, you d need to pair it with a redundant unit (e.g., **PWS-2K63A-1R**), which doubles the cost.

3. **Bulkiness and Size**

- At 1600W, this PSU is large and heavy, which may limit its use in compact or space-constrained setups. It requires ample clearance in the chassis for airflow and installation.

4. **Limited Availability of Replacement Parts**

- Like many server-grade components, finding replacement parts or compatible units after failure can be challenging compared to consumer-grade PSUs, which have broader aftermarket support.

5. **Overkill for Low-End or Consumer Use Cases**

- If you re building a home server, a gaming PC, or a low-power workstation, a 1600W PSU is excessive and inefficient. A 650W 850W unit would suffice, saving money and reducing waste.

6. **Potential for Over-Provisioning**

- Many users may not fully utilize the 1600W capacity, leading to inefficiencies (e.g., lower efficiency at partial loads). While the 80 Platinum rating helps mitigate this, it s still a consideration for cost-sensitive buyers.

7. **No Active PFC (Power Factor Correction) in Some Models**

- While most modern server PSUs include Active PFC, it s worth double-checking the exact model s specifications to ensure compliance with energy regulations in your region (though this PSU likely includes it).

8. **Fan Noise at High Loads**

- While generally quiet, high-power PSUs can become louder under sustained heavy loads due to increased cooling requirements. This may be noticeable in quiet environments.

---

### **Conclusion**

The **Supermicro PWS-1K63A-1R** is an excellent choice for **high-end server, workstation, or data center applications** where reliability, efficiency, and longevity are paramount. Its fully modular design, 80 Platinum efficiency, and server-grade build quality make it ideal for demanding workloads, redundancy setups (when paired with a redundant unit), or environments where downtime is unacceptable.

However, for **consumer-grade builds, gaming PCs, or low-power setups**, this PSU is overkill and unnecessarily expensive. In such cases, a high-quality consumer PSU (e.g., Corsair RMx series, Seasonic PRIME, or EVGA SuperNOVA) would offer similar efficiency at a fraction of the cost.

---

### **Recommendation**

- You are building a **high-performance server, workstation, or HPC system** where reliability and efficiency are critical.

- You need a **fully modular, high-wattage PSU** for a Supermicro chassis or motherboard.

- You operate in a **data center or enterprise environment** where 24/7 uptime and redundancy are essential (consider the redundant **PWS-2K63A-1R** for true redundancy).

- You prioritize **long-term cost savings** through energy efficiency and reduced heat output.

- You are building a **gaming PC, home server, or low-power setup** where a 650W 850W consumer PSU would suffice.

- You are on a **tight budget**, as the premium price may not be justified for your use case.

- You do not need server-grade features and can opt for a more accessible brand with similar efficiency ratings (e.g., Seasonic, Corsair, or EVGA).

For most **consumer or enthusiast builds**, a **high-end consumer PSU** (e.g., Corsair RM1000x, Seasonic PRIME TX-1000, or EVGA SuperNOVA 1000 G6) will provide comparable efficiency and reliability at a lower cost. The Supermicro unit is best reserved for professional or enterprise-grade applications.

Details:

Present normal use wear. Tested Working. Details: Pulled from working environment.

part #: pws1k63a1r prices

• $59.99-$450.00

specifications serverpowe:

• brand: Supermicro
• mpn: Pws-1k63a-1r
• part type: Server Supply
• form factor: 1u
• maximum output power: 1600 W

payments serverpowe:

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

returns serverpowe:

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

offer serverpowe:

• started: June 10, 2026
• availability: In Stock
• best offers: True
• quantity: 2
• sold: 0
• options: Ship-to-home

general serverpowe:

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

shipping serverpowe:

• cost: $0.00
• transit: 3-8 Days
• type: Fixed
• service: Standard
• class: Standard

seller serverpowe:

• city: Chino, California
• rating: 99.7%
• # reviews: 128341

Supermicro PWS-1K63A-1R Is Similar To:

• 0.0096541520487603 Lot Supermicro Ablecom Redundant Power Supply (44.8% similar) I'll get back to you as soon I can. Condition: used, working if a power adapter is required for this item, it not included cord shows signs of normal use w some scuffs scratches blemishes sticker residue no other accessories hardware software...(May 12th, 2018)
• 0.08904799095814786 Supermicro Server Power Supply Qty (52.2% similar) Condition: used. Comes as shown. I'll get back to you as soon I can. Shows signs of normal use w some scuffs scratches blemishes sticker residue...(June 5th, 2018)
• 0.2042163791459708 Supermicro Ablecom Power Supply Qty (45.2% similar) Condition: used. Comes as shown. I'll get back to you as soon I can. Shows signs of normal use w some scuffs scratches blemishes sticker residue...(June 5th, 2018)
• 0.3894804706787196 Supermicro Ablecom Power Supply Atx For Server Qty (40% similar) Comes as shown. I'll get back to you as soon I can. Shows signs of normal use w some scuffs scratches blemishes sticker residue...(June 4th, 2018)
• 0.45732178083452446 Supermicro Ablecom Server Redundant Power Supply (51.2% similar) I'll get back to you as soon I can. Condition: used, working if a power adapter is required for this item, it not included cord shows signs of normal use w some scuffs scratches blemishes sticker residue no other accessories hardware software...(May 12th, 2018)
• 0.6407997260869869 Ablecom Supermicro Atx Power Supply Used (41.7% similar) I'll get back to you as soon I can. Condition: used, working if a power adapter is required for this item, it not included cord shows signs of normal use w some scuffs scratches blemishes sticker residue no other accessories hardware software...(August 16th, 2018)
• 03-573-0029-130 Supermicro Pdb-pt846-n24 Power Distributor (38.7% similar) Are not included unless pictured. Accessories, remotes, software, power cords, cables, etc. More about this item: item is used and has a 30 day warranty from the date of delivery...(September 17th, 2017)
• 672042620661 Ablecom Supermicro Server Power Supply Lot Of (50.4% similar) Able com part number: 61 model: PWS-521-1H machine Supermicro 1u server power supply lot of 8 pulled from a working environment average used cosmetic condition DOA warranty only what is pictured included. Don't see what you are looking for...(May 12th, 2018)
• Pws-0043 Sp202-1 Ablecom Supermicro 1u 200w Power Supply (49.6% similar) 8a 5v able com Supermicro STX SP202 1 power supply used and tested with 30 day guarantee. 3v 17A, 5v 20A 12V 12A, 12V...(October 23rd, 2016)
• Sp502-2s Pws-0049 Ablecom Supermicro 500w Power Supply Hotswap (43.9% similar) I am offering a good working hot swap power supply...(April 1st, 2016)
• Sp302-1s Ablecom Supermicro Pws-0054 300w Psu Switching Power Supply (57.4% similar) Working great clean pulled...(February 8th, 2016)