SEASONIC R2509PA109N40440 Modular Power Supply GX-850 850W

( Brand: Seasonic ), ( Manufacturer Part Number: R2509PA109N40440 ), ( Model: GX-850 ), ( Color: Black ), ( Manufacturer Warranty: No ), ( Maximum Wattage: 850w ), ( Rating: 80 Plus Gold ), ( Type: Power Supply, Fully Modular )

Review SEASONIC New Plus Gold 850w Fully Modular Power Supply

The Seasonic R250-9PA109N-40440 GX-850 is a top-tier modular power supply unit (PSU) designed for high-performance computing systems and power-hungry components. This unit delivers an impressive 850 watts of power, making it an excellent choice for mid-to-large-sized PC builds.

The modular design of this PSU allows users to connect only the cables they need, reducing clutter and improving airflow within the computer case. It features a total of twelve 6 2-pin PCIe connectors, six 4 4-pin EPS12V connectors, four SATA power connectors, and five peripheral power connectors.

Seasonic's GX platform is renowned for its exceptional efficiency, with this model boasting an 80 PLUS Gold certification. This means that the PSU converts at least 87% of the input power into usable DC power under typical loads. Furthermore, it comes with a 10-year manufacturer's warranty, ensuring peace of mind for users.

The Seasonic R250-9PA109N-40440 GX-850 utilizes a single 12V rail design, allowing for optimal power distribution to the components. It also incorporates Japanese capacitors, which are known for their long lifespan and stability.

This PSU is built with quiet operation in mind. It employs a fan control mechanism that adjusts fan speed based on temperature, keeping noise levels to a minimum. Additionally, it comes with a semi-passive mode, which allows the fan to remain off under light loads, further enhancing silence.

The Seasonic R250-9PA109N-40440 GX-850 is a reliable, high-performance, and efficient power supply solution for any demanding PC setup. Its modular design, quiet operation, and long warranty make it an excellent investment for system builders and enthusiasts alike.

The Seasonic R250-850FX, model number SSR-850FX, is a high-performance 850-watt modular power supply unit (PSU) manufactured by Seasonic, a well-known and reputable company in the PC hardware industry. This PSU is designed for use in high-end gaming and workstation systems that require substantial power. Let's examine some pros and cons of this PSU to help you make an informed decision about whether it's suitable for your build.

1. High efficiency: The R250-850FX is an 80 Gold certified PSU, which means it delivers an impressive 90% efficiency under typical loads. This translates to minimal energy waste and reduced operating temperatures, which is beneficial for both performance and longevity.

2. Modular design: This PSU comes with a modular cabling system that allows you to only connect the cables you need, making your build cleaner and more organized. It also reduces the amount of cable clutter within your case.

3. Quiet operation: The R250-850FX uses a fan with a fluid dynamic bearing and a semi-passive mode that uses the heat generated by the components to power the fan, allowing it to operate silently under light loads.

4. High reliability: Seasonic has a proven track record of producing high-quality PSUs. The R250-850FX comes with a 10-year manufacturer's warranty and is built using top-notch components, ensuring a long lifespan.

1. Size: The R250-850FX is a larger PSU, which may not fit in smaller cases. Make sure your case can accommodate its dimensions (150mm x 86mm x 160mm) before making a purchase.

2. Price: This PSU is on the pricier side due to its high-performance features and high-quality components. However, the investment may be worth it for the long-term benefits and peace of mind.

The Seasonic R250-850FX is a reliable, high-performance, and efficient modular PSU that is well-suited for high-end gaming and workstation systems. Its modular design, quiet operation, and long warranty make it an excellent choice for those who prioritize stability, cleanliness, and peace of mind. Some potential drawbacks include its larger size and higher price point, but these factors may be outweighed by the benefits.

If you're building a high-end gaming or workstation system and are looking for a high-performance, reliable, and efficient PSU with a modular design, the Seasonic R250-850FX is a strong recommendation. Its impressive features, top-notch components, and long warranty are sure to deliver a solid and long-lasting power solution for your system.

Details:

Please view our close up photos, as these are taken of the actual item being offered for sale. New SeaSonic GX-850 80 Plus Gold 850W Fully Modular Power Supply: $119.99. Specifications: Collection Computer Part Sub-Collection Power Supply Brand SeaSonic model GX-850 MPN R2509PA109N40440 Condition New Type Form Factor ATX Fully/Semi/Non-Modular Fully Modular Rating 80 Plus Gold Output 850W MFG Warranty No UPC 5 Serial# Cosmetic condition: This PC component is brand new and remains factory sealed in the manufacturers original packaging. Thoroughly inspected by experts.

Save money, reduce your impact, while enjoying the same great tech. This device is brand new and factory-sealed in the manufacturers original packaging, it expected to perform according specifications. New SeaSonic GX-850 80 Plus Gold 850W Fully Modular Power Supply: Supply Items included in this sale: R2509PA109N40440 Supply Original Box All originally boxed contents are. 30-day Warranty New SeaSonic GX-850 80 Plus Gold 850W Fully Modular Power Supply: Items included in this sale: R2509PA109N40440 Supply Original Box All originally boxed contents are.

Rigorously tested and cleaned. Functionality condition is thoroughly assessed. Apple and Android. Your New Home for, Pre-owned Tech: Get the best deals on everything from smartphones, tablet's, laptops, camera gear, and even gaming gear.

All Other Tech. Wiped of all data. Devices have not been reassembled.

part #: r2509pa109n40440 prices

• $74.99-$229.00

specifications powsuppy:

• brand: Seasonic
• mpn: R2509pa109n40440
• model: Gx-850
• color: Black
• manufacturer warranty: No
• maximum wattage: 850w
• rating: 80 Plus Gold
• type: Power Supply, Fully Modular

seller powsuppy:

• # reviews: 1466
• city: Kansas City, Missouri
• rating: 99.1%

returns powsuppy:

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

payments powsuppy:

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

general powsuppy:

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

shipping powsuppy:

• transit: 4-7 Days
• carrier: USPS
• service: USPS Ground Advantage
• cost: $0.00
• type: Fixed
• class: Standard

offer powsuppy:

• started: March 20, 2026
• quantity: 1
• availability: In Stock
• sold: 0
• options: Ship-to-home

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