SUPERMICRO PWR-1K21P-1R Switching Power Supply PWS-1K21P-1R 1200W
( Brand: Supermicro ), ( Manufacturer Part Number: PWR-1K21P-1R ), ( Type: Switching Power Supply ), ( Cooling: 1 Fan ), ( Maximum Power: 1200 W ), ( California Prop 65 Warning: Warning )
Review SUPERMICRO Lot Of 1200w Switching Plus Gold Power Supply
The Supermicro PWS-1K21P-1R PVR-1K21P-1R is a high-performance, 1200-watt, 80 PLUS Platinum-certified power supply unit (PSU) designed for server and high-density computing applications. This PSU is manufactured by Supermicro, a leading innovator in energy-efficient, high-performance server technology.
The PWS-1K21P-1R is a 1 1 redundant design, meaning it can be used in a redundant configuration for increased system reliability. It features a single 12V rail, delivering up to 100.2A of current, ensuring sufficient power for even the most power-hungry components. The PSU also includes a 3.3V and a 5V rail, providing flexible power distribution for various system components.
The PSU's 80 PLUS Platinum certification guarantees an impressive energy efficiency of up to 92%, ensuring that your servers operate at the highest efficiency levels while minimizing energy waste. The unit also features active PFC (Power Factor Correction) and Quad Efficacy Conversion Topology, which provide excellent power conversion efficiency and stability.
The PWS-1K21P-1R is a compact, 1RU (Rack Unit) design, making it an ideal choice for space-constrained environments. Its dimensions are 15 inches (38.1 cm) wide, 1.7 inches (4.3 cm) high, and 10 inches (25.4 cm) deep. The PSU also comes with a built-in, hot-swap, redundant fan, ensuring that your system remains cool and stable even under heavy loads.
The PSU is protected against various power-related issues, including over-voltage, under-voltage, over-current, short-circuit, and over-temperature protection. It also features a fan failure warning and an LED indicator to alert users of any potential issues.
The Supermicro PWS-1K21P-1R PVR-1K21P-1R is a reliable, high-performance, and efficient power supply solution for server and high-density computing applications. Its compact design, redundant features, and impressive energy efficiency make it a valuable addition to any data center or server room.
The Supermicro PWS-1K21P-1R 1200W switching 80 power supply is a popular choice for servers and high-performance computing systems due to its reliability, efficiency, and compatibility with various form factors. Let's discuss the pros and cons of this power supply unit (PSU):
Pros:1. High Wattage: With a maximum output of 1200W, this PSU can handle the power requirements of high-end servers, workstations, or multiple GPUs in a single system.
2. 80 Certified: The 80 certification ensures that the power supply is energy-efficient and converts at least 80% of the input power into output power under typical loads.
3. Modular Design: The modular design allows users to install only the cables they need, reducing clutter and improving airflow within the system.
4. High Efficiency: The PSU achieves high efficiency levels, even under load, which can help minimize waste heat and energy consumption, contributing to the overall energy efficiency of the server or system.
5. Reliability: Supermicro is known for its high-quality components and robust designs, ensuring that the PSU can handle the demands of mission-critical applications.
6. Form Factor: The compact size and 1RU (rack unit) form factor make it suitable for use in standard server racks, making it a versatile choice for data centers.
Cons:1. Price: The Supermicro PWS-1K21P-1R 1200W PSU is more expensive than some other power supplies with similar specifications.
2. Noise: Some users have reported that the fan can be noisy under heavy loads, which may be a concern in noise-sensitive environments.
3. Limited Overvoltage Protection: The PSU does not offer extensive overvoltage protection, which could be a concern for users working with sensitive components.
In conclusion, the Supermicro PWS-1K21P-1R 1200W switching 80 power supply offers high wattage, energy efficiency, modular design, reliability, and compatibility with standard server racks. However, it comes with a higher price tag and has limitations regarding noise and overvoltage protection.
If the high wattage and 80 certification are essential requirements for your application, and you can accommodate the higher cost, the Supermicro PWS-1K21P-1R 1200W power supply is a solid choice due to its robust design and compatibility with various form factors. If noise is a concern or if you need more extensive overvoltage protection, you may want to consider other options or invest in additional noise reduction solutions.
Details:
See PICTURES FOR COSMETIC CONDITION. These power supplies are designed with a maximum output of 1200W, making them suitable for high-performance computing systems. The product is a lot of 2 Supermicro PWS-1K21P-1R 1200W Switching 80 Plus Gold Power Supplies. They feature a cooling system with 1 fan to keep the temperature under control.
part #: pwr1k21p1r prices
- $22.99-$75.00
specifications powsuppy:
- brand: Supermicro
- mpn: Pwr-1k21p-1r
- type: Switching Power Supply
- cooling: 1 Fan
- maximum power: 1200 W
- california prop 65 warning: Warning
offer powsuppy:
- availability: In Stock
- quantity: 1
- started: November 18, 2025
- best offers: True
- options: Ship-to-home
- sold: 0
shipping powsuppy:
- class: Standard
- carrier: FedEx
- service: FedEx Ground / FedEx Home Delivery
- transit: 3-7 Days
- cost: $33.50
- type: Calculated
seller powsuppy:
- city: Springfield, Missouri
- rating: 98.9%
- # reviews: 4692
returns powsuppy:
- policy: No Returns
general powsuppy:
- Computers/Tablet's Networking > Computer Components Parts > Power Supplies
- condition: Used
payments powsuppy:
- credit card: Discover
- wallet: Paypal
- other
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