SEASONIC SS-400L1U Server Power Supply

( Brand: Seasonic ), ( Manufacturer Part Number: SS-400L1U ), ( Form Factor: Atx ), ( Type: Full Modular ), ( Maximum Power: 400 W ), ( Color: Silver ), ( Features: 80 Plus ), ( Modular: Yes )

Review SEASONIC Plus 1u Server Power Supply

The Seasonic SS-400L1U 80 Platinum 400W Power Supply Unit (PSU) is a high-performance and reliable solution for powering server and IT infrastructure equipment. This 1U form factor PSU is designed to deliver consistent and efficient power while maintaining a low operating temperature and minimizing noise.

The SS-400L1U is certified under the 80 Platinum efficiency standard, which means it converts up to 92% of the input power into DC output, reducing power waste and saving energy. It also features a universal AC input that can accept voltages from 90V to 265V, making it suitable for use in various regions and power grids.

This power supply unit is built with top-quality components, including Japanese capacitors, solid state capacitors, and high-quality inductors. It also incorporates Seasonic's proprietary Fanless Design technology, which allows it to operate silently under normal loads, making it an excellent choice for data centers and server rooms.

The SS-400L1U is equipped with over-current, over-voltage, and short-circuit protection, ensuring the safety of connected equipment. It also includes an intelligent fan control system that adjusts fan speed based on load and temperature, extending the life of the fan and reducing noise.

The 1U form factor of this power supply unit is ideal for use in rack-mounted servers and other IT equipment, as it saves valuable vertical space in the data center. Its compact size, high efficiency, and low noise make it a cost-effective and practical solution for powering mission-critical IT infrastructure.

In summary, the Seasonic SS-400L1U 80 Platinum 400W Power Supply Unit is a high-performance, reliable, and efficient solution for powering server and IT infrastructure equipment. Its compact 1U form factor, quiet fanless design, and advanced protection features make it an excellent choice for data centers and other IT environments.

Pros and Cons of buying a Seasonic SS-400L1U 80 Platinum 1U Server Power Supply

The Seasonic SS-400L1U is a high-performance, 1U form factor power supply unit (PSU) designed specifically for server applications. Here are some pros and cons that can help you make an informed decision about purchasing this PSU.

1. High Efficiency: The Seasonic SS-400L1U is an 80 Platinum certified power supply, which means it offers high efficiency levels of up to 92%. This translates to lower energy consumption, reduced heat generation, and potential cost savings in the long run.

2. Compact Design: The 1U form factor is ideal for server environments as it takes up minimal vertical space. This compact design allows for better use of rack space and easier installation.

3. Reliability: Seasonic is a well-known and reputable manufacturer in the power supply market. Their products are known for their durability and reliability, ensuring a long lifespan and stable power delivery.

4. Flexible Configuration: The SS-400L1U supports various voltage and configuration options, making it a versatile choice for various server environments.

5. Active PFC: The power supply features active power factor correction (PFC) technology, which helps to improve power quality and minimize harmonic distortion.

1. Cost: The Seasonic SS-400L1U is a premium power supply, and its price may be higher than some other options in the market.

2. Limited Capacity: With a maximum capacity of 400W, it might not be suitable for high-performance servers or server clusters that require more power.

3. Noisy Operation: Some users have reported that the power supply can be noisy under heavy loads. This might be a concern for data centers or environments where noise levels need to be kept low.

The Seasonic SS-400L1U 80 Platinum 1U Server Power Supply offers several advantages, including high efficiency, compact design, reliability, flexibility, and active PFC technology. However, it also comes with some disadvantages, such as a higher cost, limited capacity, and potential noise issues.

Based on the pros and cons, the Seasonic SS-400L1U is an excellent choice for those seeking a reliable, high-efficiency power supply in a compact form factor for their server environment. However, it may not be the most cost-effective option for those with lower power requirements or budget constraints.

If you are looking for a high-performance, efficient, and reliable power supply for your server environment and have the budget for it, the Seasonic SS-400L1U is an excellent choice. It offers several advantages that can help improve your server's performance, power consumption, and overall reliability. However, if your power requirements are lower or you are working with a tight budget, you might want to consider other options with lower wattage and a more affordable price tag.

Details:

Over power protection. It features a fully modular connection enabling custom cabling options or the use of included cable loom. Short circuit protection on all outputs, Over voltage . 1U 400 W high efficiency server power supply with cables, SS-400L1U is a 400W end suitable for 19 rack mount servers.

Intel EPS 12 V compliant, 80 PLUS Gold certification up to 90 % efficiency at 115 AC and 50 load, fully modular cables, 40mm double ball bearing fan. Furthermore its highly efficient 80Plus Gold certification delivers performance.

part #: ss400l1u prices

• $69.99-$105.99

specifications powsuppy:

• brand: Seasonic
• mpn: Ss-400l1u
• form factor: Atx
• type: Full Modular
• maximum power: 400 W
• color: Silver
• features: 80 Plus
• modular: Yes

general powsuppy:

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

shipping powsuppy:

• type: Calculated
• service: USPS Ground Advantage, FedEx Ground / FedEx Home Delivery, USPS Priority Mail
• transit: 4-8 Days
• cost: $18.51
• class: Standard, Expedited
• carrier: USPS, FedEx

returns powsuppy:

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

payments powsuppy:

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

offer powsuppy:

• started: October 19, 2025
• quantity: 1
• sold: 0
• availability: In Stock
• options: Ship-to-home

seller powsuppy:

• # reviews: 1349
• city: Manville, New Jersey
• rating: 100.0%

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