SEA SONIC SS-350M1U Power Supply Seasonic 350W

( Brand: Sea Sonic ), ( Manufacturer Part Number: SS-350M1U ), ( Type: Power Supply ), ( Maximum Power: 350 W ), ( Connectors: 20 4 Pin ), ( Compatible Brand: For Sea Sonic ), ( Unit Type: Unit ), ( Modular: No ), ( Cooling: 1 Fan ), ( California Prop 65 Warning: This Product Contains A Chemical Known To The State Of California To Cause Cancer. ), ( Machine Type: Server ), ( Connector: Psu )

Review SEA SONIC Seasonic 350w 4-pin 1u Power Supply

The SeaSonic SS-350M1U is a high-performance, compact 350-watt 1U power supply designed for use in data centers, server rooms, and other IT infrastructure applications. This power supply offers excellent efficiency, reliability, and quiet operation, making it an ideal choice for those seeking a dependable and powerful solution in a minimal footprint.

The SS-350M1U features a 100-240VAC input range and a 12V, 5V, and 3.3V output configuration. It delivers up to 350 watts of power, allowing it to support a wide range of IT equipment. The power supply's high efficiency rating of up to 92% ensures minimal power loss and reduced energy consumption, contributing to lower operational costs and a smaller carbon footprint.

This SeaSonic power supply utilizes a single 12V rail design, which simplifies cabling and eliminates the need for complex voltage distribution. It also features built-in over voltage protection, short circuit protection, and over current protection, ensuring the safety of your connected equipment.

The SS-350M1U's fanless design offers silent operation, making it perfect for use in environments where noise levels must be kept to a minimum. Its compact 1U form factor saves valuable rack space, making it an ideal solution for densely populated IT environments.

Additionally, the power supply is certified to comply with various industry standards, including EN55011 Class B, IEC60950-1, and EN60950-1, ensuring you can trust its performance and safety in your IT infrastructure.

In summary, the SeaSonic SS-350M1U is a reliable, efficient, and compact 350-watt 1U power supply that offers silent operation and a wide input voltage range. Its high efficiency rating, single 12V rail design, and built-in safety features make it a dependable choice for powering IT equipment in data centers, server rooms, and other IT infrastructure applications.

The SeaSonic SS-350M1U is a 350-watt, 1U form factor power supply unit (PSU). Here are some pros and cons that may help you make a decision about purchasing this PSU:

1. High-quality components: SeaSonic is a reputable manufacturer known for producing power supplies with high-quality components. This PSU is no exception. It uses Japanese capacitors and is built to provide reliable and stable power.

2. Compact design: The 1U form factor makes this PSU ideal for use in small form factor cases or rack-mounted servers. It can also be used in larger cases where space is at a premium.

3. Efficient: This PSU has an 80 Gold efficiency rating, which means it converts 87% of the electricity it uses into usable power for your components. This can help reduce energy waste and save you money on your electricity bill.

4. Quiet operation: The SS-350M1U is designed to operate quietly, even under heavy load. This can be important for servers or other systems that are used in a quiet environment.

1. Limited connectivity: This PSU only has a single six-pin PCIe connector, which may not be sufficient for high-end graphics cards or other components that require additional power.

2. Expensive: Compared to some other power supplies in its class, the SS-350M1U can be quite expensive. This may be a consideration for budget-conscious buyers.

3. Limited overclocking potential: Due to its focus on efficiency and reliability, this PSU may not be the best choice for overclocking. If you plan on pushing your components to their limits, you may want to consider a different PSU.

The SeaSonic SS-350M1U is a high-quality, compact, and efficient power supply that is well-suited for use in small form factor cases or rack-mounted servers. Its quiet operation and reliable components make it a good choice for those who demand the best from their power supplies. However, its limited connectivity and higher price tag may be a consideration for some buyers. Ultimately, if you need a reliable and efficient power supply that can fit in a small space, the SS-350M1U is worth considering.

If you are in the market for a high-quality, compact, and efficient power supply, the SeaSonic SS-350M1U is definitely worth considering. Its focus on reliability and quiet operation make it an excellent choice for servers or other systems that require stable power. However, if you need additional PCIe connectors or are on a tight budget, you may want to explore other options. In any case, be sure to do your research and compare different power supplies to find the one that best fits your needs and budget.

Details:

If a part is not pictured, then it included in the sale. Shipping Information. Please see the listing pictures. Testing Procedure: Key Result, Provides power to the machine Attempt boot machine with supply Computer POST no warning codes Pass.

Only items pictured are included. Tested for key functions, R2/Ready Resale. There may be signs of normal wear on these units that differ from the photos in listing.

Item has been tested and visually inspected for defects.This unit only comes with the cables shown.

part #: ss350m1u prices

• $20.00-$52.20

specifications powsuppy:

• brand: Sea Sonic
• mpn: Ss-350m1u
• type: Power Supply
• maximum power: 350 W
• connectors: 20 4 Pin
• compatible brand: For Sea Sonic
• unit type: Unit
• modular: No
• cooling: 1 Fan
• california prop 65 warning: This Product Contains A Chemical Known To The State Of California To Cause Cancer.
• machine type: Server
• connector: Psu

offer powsuppy:

• started: August 12, 2025
• quantity: 2
• options: Ship-to-home
• availability: In Stock
• sold: 0

shipping powsuppy:

• cost: $0.00
• service: USPS Ground Advantage, UPS Ground, USPS Priority Mail, UPS Next Day Air Saver
• class: Standard, Expedited, One-day
• type: Calculated
• transit: 3-8 Days
• carrier: USPS, UPS

payments powsuppy:

• other
• credit card: Mastercard
• wallet: Paypal

returns powsuppy:

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

general powsuppy:

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

seller powsuppy:

• city: Indianapolis, Indiana
• # reviews: 86785
• rating: 99.5%

Sea Sonic SS-350M1U Is Similar To:

• Sea Sonic Ssr-500gb Seasonic S12iii 500 Ssr-500gb3 500w 80 Bronze Power Supply Psu (64.3% similar) I will always communicate quickly and be there to help if is an issue. Comes with mounting screws. In good used condition, pulled from a working system. No external standard PC power cable included. Check my reviews, I aim to please...(May 16th, 2024)
• Sea Sonic Ssr550fx Ssr-550fx Focus Plus 550w 80 Gold Fully Modular Power Supply (56.9% similar) This Sea Sonic focus plus power module is a fully modular supply that offers maximum of 550W. This power module is designed for STX form factor and features a 1 fan cooling system. It is perfect for those who need a reliable power supply their computer components. The gold color adds a touch of...(May 17th, 2024)
• Sea Sonic Ssr1000tr Seasonic Prime Tx-1000 1000w 80 Plus Titanium Power Supply No Cables (56.8% similar) It shows some scratches from. Condition: used. Seasonic prime TX-1000 1000W 80 plus titanium power supply - SSR1000TR no cables. Power output and fan are in good working conditions, but no other further testing was performed. Regular use and comes in non-original packaging or cables...(May 18th, 2024)
• Sea Sonic Prime-tx-850 Seasonic Prime Tx-850w 80 Plus Titanium Power Supply (64.7% similar) With a maximum power output of 850W and 80 plus titanium certification, it provides top-notch to your components. It is designed to fit STX form factor and has a voltage compatibility of 240V. The unit has a 1 fan cooling system and comes with 24-PIN satay I connector, 4 CPU 4-PIN peripheral 6/2...(May 19th, 2024)
• Sea Sonic Ss-620gb Seasonic S12ii-620 Active-pfc F3 620 Watts Power Supply Tested (61.9% similar) It is compatible with ace and other universal gaming PC brands. With a maximum power output of 620 watts , it can handle even the most demanding components. The model number is SS-620GB active PFC f3 and it has one outlet. The power module is designed with a black finish and features single fan...(May 22nd, 2024)
• Sea Sonic Ss-650km Used Seasonic X-series X-650 80 Plus Gold Power Supply (68.7% similar) 12.0V - 0.5A...(May 24th, 2024)
• Sea Sonic M12ii Seasonic Bronze Modular Power Supply Ss-620gm (62.2% similar) It is in good working condition and has been tested on a live system to work as expected. Everything that is shown in the pictures what comes with this power supply...(May 24th, 2024)
• Sea Sonic Focus-px-850 Seasonic Focus Px-850w 80 Plus Platinum Power Supply (69.2% similar) Part #: Sea Sonic FOCUS-PX-850 for sale...(May 26th, 2024)
• Sea Sonic Ssr750tr Seasonic Prime Tx-750 750w 80 Titanium Full Modular Power Supply (65.2% similar) The psu comes with 1 tester, power, CPU, 2 pie, satay 4 cable, and 2 cable please see pictures. Tested and fully functional. The psu is in overall good condition but may show some scratches and signs of use please see pictures. The package comes with everything seen in the photos...(May 28th, 2024)
• Sea Sonic Focus-gx-750 Seasonic Focus Gx-750w 80 Plus Gold Power Supply (68.2% similar) With a maximum wattage of 750 w, it can handle your high-performance components with ease. This Sea Sonic focus GX-750 power supply is a great choice for your computer setup. The power supply comes with a 1 fan cooling system to keep your components cool and prevent overheating. The unit is also...(May 29th, 2024)
• Sea Sonic Ss-350sfe Seasonic 350w Small Form Factor Sff Desktop Power Supply Psu Tested (62.6% similar) Seasonic SS-350SFE 350W small form factor FSF desktop power supply psu - tested, tested functional, ships free to lower 48 states, RE#19811 functional...(May 31st, 2024)