1. Computer Power Supplies Parts
  2. sku: 7254326426533792
  3. COOLER MASTER RS-400-PSAR-J3

COOLER MASTER RS-400-PSAR-J3 Pin Atx Desktop Power Supply

Rs-400-psar-j3 Cooler Master Sealed New 400 W 20 4 Pin Atx Desktop Power Supply

( Brand: Cooler Master ), ( Manufacturer Part Number: RS-400-PSAR-J3 ), ( Compatible Brand: For Cooler Master ), ( Cooling: 1 Fan ), ( Machine Type: Desktop ), ( Modular: No ), ( Item Length: 8.5 ), ( Connectors: 20 4 Pin, 4 4 Cpu, 6 Pin ), ( Form Factor: Atx ), ( Type: Power Supply ), ( Maximum Power: 400 W ), ( Unit Type: Unit ), ( Connector: Psu , 4 4 Cpu, 6 Pin ), ( Surge Energy Capacity: 400 J ), ( Item Width: 3.7 )

Review COOLER MASTER Sealed New 400 Pin Atx Desktop Power Supply

The Cooler Master RS-400-PSAR-J3 is a high-performance 400-watt ATX desktop power supply unit (PSU) designed to deliver reliable and efficient power to your computer system. This PSU features a modern and compact design, making it an excellent choice for those who value both functionality and aesthetics.

The Cooler Master RS-400-PSAR-J3 is equipped with a 20 4 pin main motherboard connector, allowing it to support the latest computer systems. The unit also comes with a comprehensive set of peripheral connectors, including six SATA connectors, three six-pin PCIe connectors, and a single four-pin EPS12V connector. This ensures that the PSU can power even the most demanding graphics cards and high-end components.

The Cooler Master RS-400-PSAR-J3 is built using high-quality components, including Japanese capacitors, which offer superior reliability and performance. The unit is also designed to be highly efficient, with an 80 PLUS Bronze certification, meaning it converts up to 82% of the input power into usable output power. This not only reduces energy waste but also saves you money on your electricity bill.

The Cooler Master RS-400-PSAR-J3 is also designed with safety in mind, featuring over-voltage protection, over-current protection, over-power protection, and short-circuit protection. These safety features help protect your computer components from damage, ensuring that your system stays stable and runs smoothly.

The Cooler Master RS-400-PSAR-J3 is also quiet in operation, thanks to its advanced fan control system. The fan only spins up when necessary, keeping the unit cool and quiet under normal operating conditions. The PSU also comes with a fully modular design, allowing you to only connect the cables you need, reducing clutter and improving airflow within your case.

Overall, the Cooler Master RS-400-PSAR-J3 is a high-performance and reliable desktop power supply unit that offers excellent value for money. With its modern design, comprehensive set of connectors, high-quality components, advanced safety features, and quiet operation, it's an excellent choice for any computer system.

Cooler Master RS-400-PSAR-J3 400W ATX Desktop Power Supply: A Detailed Analysis

The Cooler Master RS-400-PSAR-J3 is a 400-watt ATX desktop power supply unit (PSU). In this analysis, we will discuss its key features, pros, cons, and provide an Recommendation.

Features:

1. 400-watt power output

2. ATX form factor

3. 80 certified

4. Single 12V rail

5. Active PFC (Power Factor Correction)

6. Modular design

7. 5-year warranty

Pros:

1. High efficiency: 80 certified, which means it operates at a minimum of 80% efficiency under typical load conditions.

2. Modular design: Allows users to connect only the cables they need, reducing clutter and improving airflow within the case.

3. Single 12V rail: Simplifies system configuration and can provide stable power to high-demand components.

4. Active PFC: Helps to improve power efficiency and reduces power consumption by the computer and the power supply itself.

5. 5-year warranty: Provides peace of mind and covers any potential issues that may arise during that timeframe.

Cons:

1. Limited power output: 400 watts may not be sufficient for high-end systems with multiple high-power components.

2. Noisy operation: Some users have reported that the fan can be quite loud under heavy load.

3. Lack of advanced features: This PSU does not have features like overvoltage or overcurrent protection, which some more expensive models may offer.

Ending Conclusion:

The Cooler Master RS-400-PSAR-J3 is a reliable and efficient 400-watt ATX desktop power supply. Its modular design, 80 certification, and single 12V rail make it an attractive option for many users. However, its limited power output and occasional noisy operation may be drawbacks for some. Ultimately, if your system's power requirements are within the 400-watt range and you're looking for a reasonably priced, efficient PSU with a modular design, the Cooler Master RS-400-PSAR-J3 is an excellent choice.

Recommendation:

If your system demands more than 400 watts or you prefer a quieter operation, consider looking at higher-wattage, more expensive power supplies with quieter fans. For budget-conscious users with power requirements under 400 watts, the Cooler Master RS-400-PSAR-J3 is an excellent value and a strong recommendation.

Details:

Brand new in Box.

part #: rs400psarj3 prices

  • $40.00-$77.00

specifications powsuppy:

  • brand: Cooler Master
  • mpn: Rs-400-psar-j3
  • compatible brand: For Cooler Master
  • cooling: 1 Fan
  • machine type: Desktop
  • modular: No
  • item length: 8.5
  • connectors: 20 4 Pin, 4 4 Cpu, 6 Pin
  • form factor: Atx
  • type: Power Supply
  • maximum power: 400 W
  • unit type: Unit
  • connector: Psu , 4 4 Cpu, 6 Pin
  • surge energy capacity: 400 J
  • item width: 3.7

offer powsuppy:

  • started: May 23, 2025
  • options: Ship-to-home
  • quantity: 1
  • best offers: True
  • sold: 0
  • availability: In Stock

general powsuppy:

  • condition: New
  • Computers/Tablet's Networking > Computer Components Parts > Power Supplies

returns powsuppy:

  • policy: No Returns

seller powsuppy:

  • # reviews: 193
  • city: Dover, Pennsylvania
  • rating: 98.4%

payments powsuppy:

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

shipping powsuppy:

  • type: Calculated
  • transit: 6-13 Days
  • class: Standard
  • cost: $17.15
  • service: USPS Ground Advantage
  • carrier: USPS
compatible brand: for cooler master, cooling: 1 fan, machine type: desktop, modular: no, item length: 8.5, connectors: 20 4 pin, 4 4 cpu, 6 pin, form factor: atx, type: power supply, maximum power: 400 w, unit type: unit, connector: psu , 4 4 cpu, 6 pin, surge energy capacity: 400 j, item width: 3.7,
category: computers > computers/tablets networking > computer components parts > power supplies, sku: 7254326426533792,

Cooler Master RS-400-PSAR-J3 Is Similar To:

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4 offers $40.00–$77.00 USD
  • Offer #1: $77.00 price + $15.50 shipping estimate = $92.50* total.+$15.50 shipping
  • Offer #2: $48.99 price + $16.40 shipping estimate = $65.39* total. The product is sealed and brand new, ensuring high quality and durability for your computer system. The Cooler Master Power Supply 400 W 20+4 Pin ATX Desktop is a reliable and efficient power supply unit designed for Cooler Master brand computers.+$16.40 shipping
  • Offer #3: $40.00 price + $13.16 shipping estimate = $53.16* total. Its compact ATX form factor and reliable brand reputation make it a great choice for those in need of a dependable power supply for their computer system. The NEW Cooler Master 400 W 20+4 Pin ATX Desktop Power Supply is a reliable and efficient power supply unit designed for desktop computers.+$13.16 shipping
  • Offer #4: $80.92 price + $40.89 shipping estimate = $121.81* total. Is sealed in a static Beuatel.+$40.89 shipping

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