Corsair SF1000 1000W Power Supply

Corsair SF1000 | Compact SFX Platinum Power Supply

The Corsair SF1000 power supply unit 1000 W 24-pin ATX ATX Black delivers ATX 3.1-compliant, fully modular Platinum efficiency in a compact SFX form factor. Designed for SFF PC builders, it combines 1000 W continuous output with 80 PLUS Platinum certification for reduced energy waste and lower operating temperatures.

Specifications

Compact Design for Small Form Factor Builds

The SF1000’s SFX footprint (125 x 100 x 63.5 mm) fits where standard ATX units cannot, making it ideal for Mini-ITX and Micro-ATX cases. Despite its compact size, it delivers 1000 W continuous power with ATX 3.1 compliance, supporting the latest PCIe 5.0 GPUs. The fully modular cabling system eliminates clutter, improving airflow in tight builds.

Premium Efficiency with 80 PLUS Platinum Certification

80 PLUS Platinum certification ensures the SF1000 operates at up to 92% efficiency under typical loads. This means less heat generation, lower electricity bills, and reduced strain on cooling components. The FDB (Fluid Dynamic Bearing) fan operates quietly and has a 100,000-hour MTBF, providing long-term reliability for demanding systems.

Comprehensive Protection and Power Delivery

Corsair equips the SF1000 with multiple protection features: over-temperature, over-current, over-power, over-voltage, and short-circuit protection. It provides robust power delivery with 83.3 A on the +12V rail and supports modern multi-rail configurations. The unit includes 24-pin ATX, 4+4-pin EPS, and four 6+2-pin PCIe connectors for versatile component compatibility.

Fully Modular Cabling System

The fully modular design means you connect only the cables you need, reducing internal case clutter and improving airflow. Included cables feature a 24-pin ATX connector, three SATA power connectors, one PATA connector, four PCIe 6+2-pin connectors, and both EPS and ATX 12V 4+4-pin connectors. This flexibility supports a wide range of system configurations.

What is in the box

• Corsair SF1000 power supply unit
• AC power cable
• Modular cable set (as specified above)
• Mounting screws

Check before you buy

• Confirm your case supports SFX form factor (125 x 100 x 63.5 mm)
• Verify your GPU’s power requirements match the 1000 W capacity
• Check that your motherboard uses a 24-pin ATX connector
• Ensure you have enough PCIe connectors for your components

Questions and answers

Our verdict

The Corsair SF1000 power supply unit 1000 W 24-pin ATX ATX Black is an excellent choice for SFF enthusiasts and compact system builders who need high power output without sacrificing efficiency or reliability. Its Platinum certification, ATX 3.1 compliance, and fully modular design make it future-proof for demanding components. Covered by the applicable manufacturer warranty.