SEA SONIC CS05A41300946 Power Supply Pfc SS-400ET Seasonic F3 400W

( Brand: Sea Sonic ), ( Manufacturer Part Number: CS05A41300946 ), ( Model: SS-400ET ), ( Compatible Brand: Universal, Seasonic ), ( Voltage Compatibility: 100v-240v ), ( Connectors: 24 Pin ), ( Form Factor: Atx ), ( Type: Power Supply ), ( Maximum Power: 400 W ), ( Color: Silver ), ( Features: Active Pfc F3 )

Review SEA SONIC Seasonic Power Supply Model Active Pfc F3 Plus Bronze

The Seasonic SS-400ET PFC F3 80 certified power supply unit (PSU) is a top-tier solution for powering your computer system, delivering an efficient and reliable power experience. With a capacity of 400 watts, this Sea Sonic CS05A41300946 model, specifically labeled as the CS05A, is designed to meet the needs of most modern desktop configurations.

This PSU boasts an 80 certified rating, ensuring an impressive power efficiency of up to 80% under typical loads. This means that less waste heat is generated, leading to better energy savings and reduced carbon emissions. The PFC (Power Factor Correction) technology further optimizes the power delivery, improving the power factor to 0.99, reducing power losses, and ensuring a stable power output.

The Seasonic SS-400ET features a high-quality F3 fan that runs quietly and efficiently, minimizing noise levels even under heavy load conditions. The fan also includes a semi-passive design, which allows it to operate in a fanless mode when the power demand is low, resulting in virtually silent operation.

The PSU is equipped with a single 12V rail, capable of delivering up to 33.33 Amps, providing clean and stable power to all the components in your system. It also includes a range of protection features, such as over-current protection, over-voltage protection, under-voltage protection, and short-circuit protection, ensuring the safety and longevity of your components.

The Seasonic SS-400ET is designed with a modular cabling system, making it easier to manage and install components within your computer case. The modular design allows you to only use the cables you need, reducing clutter and improving airflow within your system.

The PSU comes with a robust 5-year manufacturer's warranty, ensuring peace of mind and reliable performance for an extended period. With its impressive efficiency, quiet operation, and robust protection features, the Seasonic SS-400ET PFC F3 80 certified power supply is an excellent choice for powering your computer system.

The Seasonic SSP-400ET PFC F3 80 certified power supply unit (PSU) and the SeaSonic M12II 450W CS05A413-IN FDB Fanless 80 Gold PSU are two different products with distinct features. Here's a comparison of their pros and cons:

1. 80 certified, ensuring efficient power delivery.

2. Active PFC for better power factor compatibility.

3. Reliable brand with a good reputation for quality.

4. Decent wattage for most budget PC builds.

5. Modular design for easier cable management.

1. Not as quiet as a fanless PSU since it has a fan.

2. May produce a slight hum or noise under heavy load.

1. Fanless design for silent operation.

2. 80 Gold certified for high efficiency.

3. Good wattage for most mid-range PC builds.

4. Decent voltage stability for overclocking.

5. FDB fan for smooth operation and reduced vibration.

1. Limited wattage compared to some other PSUs in its class.

2. Slightly more expensive than some other options.

3. No modular design, which may limit cable management.

Both the Seasonic SSP-400ET PFC F3 80 and the Seasonic M12II 450W CS05A413-IN FDB have their merits. The SSP-400ET PFC F3 80 offers modularity, efficiency, and reliability, while the M12II 450W CS05A413-IN FDB delivers silent operation and fanless design.

If you prioritize silence and are willing to pay a slightly higher price, the fanless M12II 450W CS05A413-IN FDB is the better choice. However, if you need more wattage or prefer a modular design, the SSP-400ET PFC F3 80 is a solid option.

Based on the given comparison, I recommend the Seasonic M12II 450W CS05A413-IN FDB if your budget allows for it and you prioritize silent operation. If you need more wattage or prefer a modular design, the Seasonic SSP-400ET PFC F3 80 is a reliable and efficient choice.

Details:

This Item might have scratches or wear signs. SEASONIC POWER SUPPLY model SS-400ET / ACTIVE PFC F3 80 Plus Bronze - 400W, This unit was tested and passed all inspections. CVS Tech-Team This unit was tested and passed all inspections. CSV Tech Supplements verify all digital serial number for return purposes.

part #: cs05a41300946 prices

• $64.99-$656.96

specifications powsuppy:

• brand: Sea Sonic
• mpn: Cs05a41300946
• model: Ss-400et
• compatible brand: Universal, Seasonic
• voltage compatibility: 100v-240v
• connectors: 24 Pin
• form factor: Atx
• type: Power Supply
• maximum power: 400 W
• color: Silver
• features: Active Pfc F3

payments powsuppy:

• wallet: Apple-pay
• credit card: Visa
• other

offer powsuppy:

• quantity: 1
• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: August 2, 2025

seller powsuppy:

• city: Westminster, Massachusetts
• rating: 99.4%
• # reviews: 612

general powsuppy:

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

shipping powsuppy:

• carrier: USPS
• class: Standard
• service: USPS Ground Advantage
• transit: 5-10 Days
• type: Fixed
• cost: $10.00

returns powsuppy:

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

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