Corsair
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CORSAIR SF1000 (2024) Small ATX 3.1 PCIe 5.1 1000W Power Supply Black
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CORSAIR SF1000 (2024) Small ATX 3.1 PCIe 5.1 1000W Power Supply Black
Harness 750 continuous watts In SFX form, perfect for the most power-dense small-form-factor PCs
CORSAIR SF1000 (2024) Small ATX 3.1 PCIe 5.1 1000W Power Supply Black
Item #: 71173098

CORSAIR SF1000 (2024) Small ATX 3.1 PCIe 5.1 1000W Power Supply Black

90% of respondents would recommend this to a friend

Item #: 71173098

GYD 64020

Price Details

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Order now and get it around Wednesday, September 30
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Harness 750 continuous watts In SFX form, perfect for the most power-dense small-form-factor PCs
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What Stands Out

Fully Modular Design
Easily customize your cable management with the fully modular setup, reducing clutter and optimizing airflow in compact builds. This feature enhances system aesthetics and improves overall performance.
80 Plus Gold Efficiency
Achieve stellar energy efficiency with 80 Plus Gold certification, ensuring minimal wasted energy and reduced electricity bills. This aspect delivers reliable power while contributing to a more sustainable environment.
Quiet Operation
Enjoy a near-silent gaming experience with the quiet 120mm PWM fan, combined with Zero RPM mode for silent operation at low loads. This ensures that noise does not distract from your immersive experiences.

Product Details

Shop for Corsair SF1000L Power Supply online at Ubuy Guyana. Fully modular, low-noise design with ATX 3.0 & PCIe 5.0 compliance. High efficiency, zero RPM mode, and more.
Package Weight18 Pound

Who Should Buy?

Suitable For
  • Compact Builds

    Ideal for small form factor PCs that require a powerful yet space-efficient power supply solution.

  • Silent Operation

    Perfect for users prioritizing a quiet environment, thanks to its low-noise operation and Zero RPM mode.

  • High Performance

    Great for gamers or professionals needing reliable power for high-performance components, supporting ATX 3.0 and PCIe 5.0.

Not Suitable For
  • Budget Builders

    May not suit users on a tight budget, as it is priced higher compared to standard power supplies.

Product Description

CORSAIR SF1000 (2024) Small ATX 3.1 PCIe 5.1 1000W Power Supply Black

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What makes the Corsair SF850L fully modular power supply a good choice for my PC build?

    Answer: The Corsair SF850L fully modular power supply is an excellent choice due to its 80 Plus Gold efficiency rating, which ensures less energy waste and cooler operation. Its fully modular design allows you to use only the cables you need, minimizing clutter and enhancing airflow inside your case. Additionally, the Zero RPM mode means that the 120mm PWM fan remains silent at low loads, making it ideal for quiet builds or noise-sensitive environments.
  • Question: Is the Corsair SF850L compatible with the latest GPUs?

    Answer: Yes, the Corsair SF850L is PCIe 5.1 compliant, meaning it supports the latest graphics cards that utilize the newer connector standards. This ensures that as new GPUs are released, you can confidently upgrade without needing to change your power supply. Its robust 850W output provides ample power for high-performance components, making it suitable for both gaming and professional workloads.
  • Question: What are the benefits of a fully modular power supply?

    Answer: A fully modular power supply like the Corsair SF850L offers significant benefits, including reduced cable clutter and improved airflow. This modularity allows you to select and install only the cables you need, simplifying the build process. Additionally, it facilitates future upgrades and changes in your system without the mess of unused cables, making maintenance and system aesthetics much more manageable.
  • Question: How does the 80 Plus Gold rating affect performance?

    Answer: The 80 Plus Gold rating indicates that the Corsair SF850L power supply is highly efficient, typically operating at 87-90% efficiency depending on load. This not only helps in reducing electricity costs but also minimizes excess heat generation. Higher efficiency means your system may also run cooler, contributing to overall longevity and stability of your components, especially during intensive tasks like gaming or rendering.
  • Question: What makes this power supply suitable for compact cases?

    Answer: The Corsair SF850L is designed as an SFX form factor power supply, making it perfect for compact builds where space is limited. SFX power supplies offer the same power capabilities as larger ATX models but in a smaller package. By using this power supply, you can maximize the internal space of your chassis, allowing for better component arrangement and air circulation, crucial for maintaining performance in tight spaces.
  • Question: Can the Corsair SF850L be used for high-performance gaming setups?

    Answer: Absolutely, the Corsair SF850L is a prime candidate for high-performance gaming setups. With its 850W output and PCIe 5.1 compliance, it can handle multiple GPUs or powerful single GPUs, making it suitable for the latest gaming technologies. Additionally, the low-noise fan operation enhances the gaming experience, as the power supply remains quiet even under heavy load, letting you immerse yourself fully into your games.
  • Question: Does the Corsair SF850L come with LED indicators or features?

    Answer: While the Corsair SF850L itself does not come with LED indicators, its focus is on providing a quiet, reliable power source with high efficiency. If you're looking for visual feedback, consider using RGB components in your build to create an aesthetic atmosphere. The power supply’s compatibility with modern hardware and its solid performance are its key features, ensuring your system runs efficiently and silently.
  • Question: What type of connectors does the Corsair SF850L offer?

    Answer: The Corsair SF850L comes with a variety of connectors to meet your system's needs, including multiple PCIe connectors for GPUs, ATX connectors for the motherboard, and SATA power for storage devices. This extensive compatibility ensures you can connect all your components seamlessly, streamlining power distribution across your system. The inclusion of modular cables allows for a cleaner setup, maximizing your build's functionality and aesthetics.
  • Question: Where can I buy the Corsair SF850L Fully Modular Low-Noise SFX Power Supply?

    Answer: You can purchase the Corsair SF850L Fully Modular Low-Noise SFX Power Supply on Ubuy. This platform offers a broad selection of tech products and is a reliable source for securing high-quality components for your builds. Whether you're upgrading your existing setup or starting fresh, Ubuy ensures you have access to the latest hardware at competitive prices.

Corsair Internal Power Supplies Editorial Review

CORSAIR SF1000 (2024) Small ATX 3.1 PCIe 5.1 1000W Power Supply Black delivers exceptional performance for compact builds. Users praise its outstanding build quality, whisper-quiet operation, and excellent efficiency due to 80 Plus Platinum rating. The fully modular design makes cable management easy with flexible cables, allowing for clean and efficient setups, especially in small form factor cases like the A4-H2O. The inclusion of an SFX-to-ATX bracket ensures seamless compatibility during installation. While some experienced issues with packaging, most users find it a reliable power supply that works effortlessly for high-demand systems, providing peace of mind in powering premium hardware without noise disturbances.

Customer Reviews & Ratings

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Pros

  • Excellent build quality and whisper-quiet operation
  • Fully modular design for easy cable management
  • Ideal for small form factor builds
  • 80 Plus Platinum efficiency for reliability
  • Flexible cables included for clean setups

Cons

  • Cables may be short for certain builds

Platform Trust & Buyer Confidence

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Jasmin
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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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Anke
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
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Hazel
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“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot
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Opaleye
Verified buyer

“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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Adele
Verified buyer

“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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GYD 64020

Order now and get it around Wednesday, September 30

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • 750 continuous watts in SFX form
  • Perfect for power-dense small-form-factor PCs
  • Ultra-high efficiency operation
  • Less excess heat and operating costs
  • Flexible Para cord sleeved cables
  • Easy routing and cable management

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