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
Choose the SF750 for unprecedented power in your next small form factor PC
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

SHP 447

Price Details

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Choose the SF750 for unprecedented power in your next small form factor PC
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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 CORSAIR SF1000 (2024) Small ATX 3.1 PCIe 5.1 1000W Power Supply Black online at a best price in Saint Helena. B0BW9SV8HQ
Compatible DevicesMonitor
Connector Type Used on CableATX
Output Wattage1000 watts
Form FactorSFX,Internal
Wattage1000 watts
Cooling MethodFan (92mm PWM)
Power Supply DesignFull Modular
Connector Quantity1
Current Rating83.3 A
Number of Fans1
Fan Size9.2 centimeters
Maximum Input Voltage13.6 volts
Minimum Input Voltage6.8 volts
Upper Temperature Rating105 u00b0C
System Bus Connector Type24 Pin, 8 Pin or 4+4 Pin
Item HighlightLow-Noise, Fully Modular, 80 PLUS Platinum, Zero RPM Mode, SFX-to-ATX Bracket Included, NA
Model NameSF1000
BrandCorsair
Number of Items1
Unit Count1 Count
ManufacturerCorsair
UPC840006663409
Built-In MediaItem
Model NumberCP-9020257-NA
Mfr Part NumberCP-9020257-NA
Item Dimensions4.92 x 3.94 x 2.5 inches (12.5 x 10 x 6.4 cm)
Item Weight2.3 pounds (1.04 kg)
Connector TypeATX
Item dimensions L x W x H4.92 x 3.94 x 2.5 inches (12.5 x 10 x 6.4 cm)

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 power supply fully modular?

    Answer: The Corsair SF850L power supply is fully modular, meaning that all cables can be detached from the unit. This design allows users to connect only the cables they need for their specific setup, resulting in a cleaner build with improved airflow. Additionally, it makes installation and maintenance more efficient, especially in compact cases where space is limited. For example, if you're building a high-performance gaming PC, using only the required cables minimizes clutter and enhances aesthetics.
  • Question: How does the SF850L achieve low noise levels?

    Answer: The SF850L features a quiet 120mm PWM fan that adjusts its speed based on the load of the power supply. This design helps maintain low noise levels, especially during low-power operations, where the fan can run at very low speeds or even stop completely, entering a Zero RPM mode. Users looking for a silent PC build will appreciate this feature, particularly during tasks like video editing or gaming, where noise levels can be distracting.
  • Question: Is the Corsair SF850L compatible with the latest graphics cards?

    Answer: Yes, the Corsair SF850L is ATX 3.0 and PCIe 5.0 compliant, making it compatible with the latest graphics cards, including those with high power demands. This ensures that you can confidently run top-tier GPUs while maintaining system stability. If you are planning to build a gaming rig with a cutting-edge graphics card, the SF850L will provide the necessary power and efficiency needed for optimal performance.
  • Question: What benefits does the 80 Plus Gold efficiency rating provide?

    Answer: The 80 Plus Gold efficiency rating of the Corsair SF850L indicates that it operates at a minimum efficiency of 90% at typical loads. This efficiency translates to less wasted energy, resulting in lower heat generation and reduced utility costs over time. For users who value energy efficiency in their builds, this power supply offers sustainable performance, which is especially important in gaming or workstation setups used for extended periods.
  • Question: Can I use the Corsair SF850L in a small form-factor build?

    Answer: Absolutely! The Corsair SF850L is designed as a small form factor (SFX) power supply, making it perfect for compact cases. Its size allows it to fit into builds where space is at a premium without compromising on power output. If you are looking to build a mini-ITX gaming rig or a portable workstation, this power supply will provide you with the performance you need without taking up excessive space.
  • Question: What cables come included with the Corsair SF850L power supply?

    Answer: The Corsair SF850L comes with a variety of cables to accommodate different setups. It includes a motherboard cable, CPU power cables, PCIe cables for graphics cards, and SATA power cables for storage devices. This comprehensive range ensures that you have everything needed for a complete installation, streamlining your building process. If you’re assembling a new PC, having all necessary cables included simplifies setup and reduces the need to purchase additional components.
  • Question: How does the Zero RPM mode work in the Corsair SF850L?

    Answer: The Zero RPM mode in the Corsair SF850L allows the fan to remain off when the power supply is under low to medium loads, leading to virtually silent operation. The fan only activates when it is needed, which enhances the overall noise profile of your system. This feature is particularly beneficial for users who want a quiet computing experience during everyday tasks or casual usage, such as browsing or streaming.
  • Question: What is the significance of PCIe 5.0 compliance in the Corsair SF850L?

    Answer: PCIe 5.0 compliance in the Corsair SF850L ensures compatibility with the latest generation of motherboards and high-performance graphics cards. This standard provides increased bandwidth and power delivery, which is crucial for next-gen gaming and demanding applications. If you’re investing in cutting-edge technology, having a power supply that supports PCIe 5.0 guarantees you won’t face compatibility issues as you upgrade your system.
  • Question: What cooling techniques does the Corsair SF850L utilize?

    Answer: Aside from the quiet 120mm PWM fan, the Corsair SF850L employs a design that promotes efficient airflow and heat dissipation. The compact design allows for improved thermal performance without increasing noise levels. As a result, it stays cool under load, which is essential for maintaining component longevity, especially during intensive gaming or heavy multitasking scenarios.
  • Question: Where can I buy Corsair SF850L Fully Modular Low-Noise SFX Power Supply in Saint Helena?

    Answer: You can buy the Corsair SF850L Fully Modular Low-Noise SFX Power Supply from Ubuy in Saint Helena. Ubuy offers a straightforward shopping experience with access to various products, ensuring you can find the high-quality components you need for your PC build.

Corsair Internal Power Supplies CP-9020257-NA 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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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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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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“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
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“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
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“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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SHP 447

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Fastest cross-border delivery

Features & Benefits

  • 750 continuous watts in SFX form
  • 80+ Platinum certification
  • 92mm fan with zero RPM mode
  • Fully modular individually-sleeved cables
  • 105 Degree rated Japanese capacitors and premium electrical components
  • Flexible Para cord sleeved cables

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