Description
The CORSAIR SF1000 represents a significant leap in power density, providing 1000W of 80 PLUS Platinum certified energy within a standard SFX chassis. Designed for the most demanding small form factor builds, this unit integrates ATX 3.1 compliance and native PCIe 5.1 support via a dedicated 12V-2x6 cable. Its fully modular design utilizes space-saving Type-5 connectors, ensuring that even the tightest Mini-ITX cases maintain optimal airflow and clean aesthetics.
This product is for:
- SFF Enthusiasts: Builders creating high-end Mini-ITX systems who require maximum wattage without moving to larger SFX-L units.
- Next-Gen GPU Users: Owners of NVIDIA RTX 40-series or upcoming 50-series cards who need a native, reliable 12V-2x6 power delivery system.
- Noise-Sensitive Users: Individuals prioritizing a quiet workspace benefit from the 92mm PWM fan and Zero RPM mode during low-to-medium loads.
- Professional Workstation Builders: Users assembling compact rendering or AI-processing rigs that demand stable, Platinum-rated efficiency for 24/7 operation.
- Cable Management Perfectionists: Builders who appreciate the reduced footprint of Type-5 micro-fit connectors for easier routing in cramped quarters.
Detailed specifications:
- Model: CP-9020257-TW
- Form Factor: SFX (ATX 3.1 compliant)
- Total Power: 1000 Watts
- Efficiency Rating: 80 PLUS Platinum
- Cooling: 92mm PWM Fluid Dynamic Bearing Fan with Zero RPM Mode
- Connectors: 1x 24-pin ATX, 2x EPS12V (4+4), 1x 12V-2x6 (12+4), 4x PCIe (6+2), 8x SATA, 4x PATA
- Cable Type: Type-5 Micro-fit, Fully Modular
- Dimensions/Weight: Standard SFX / 2.30kg
- MTBF: 100,000 Hours
Operating the SF1000 is a seamless experience for high-performance builders. The transition to ATX 3.1 ensures the unit can handle significant power excursions common in modern hardware. During testing, the 92mm fan remains completely silent under light productivity tasks, only spinning up when gaming or rendering loads require active cooling. The Type-5 connectors are noticeably smaller than traditional PSU plugs, which significantly reduces the cable clutter typically found behind the motherboard tray in SFF cases like the CORSAIR 2000D or Fractal Terra.
Compared to the previous SF750, the SF1000 offers a 33% increase in power capacity while maintaining the same compact SFX dimensions, avoiding the compatibility issues often seen with longer SFX-L units. While standard ATX 3.0 power supplies require bulky adapters for high-end GPUs, the SF1000’s native PCIe 5.1 support provides a direct, safer connection. Its 80 PLUS Platinum efficiency outperforms Gold-rated competitors by reducing heat waste, which is critical in thermally constrained small cases.
Q&A:
- Is the CORSAIR SF1000 compatible with ATX 3.1 and PCIe 5.1? Yes, it is fully compliant with the latest ATX 3.1 standards and includes a native 12V-2x6 cable for modern high-performance graphics cards.
- What are Type-5 connectors and are they compatible with older cables? Type-5 connectors are CORSAIR’s micro-fit interface designed to save space; they are not pin-compatible with older Type-3 or Type-4 cables.
- Does this PSU fit in a standard Mini-ITX case? Yes, it uses the standard SFX form factor (not SFX-L), making it compatible with the vast majority of SFF and Mini-ITX chassis.
- How does the Zero RPM mode work? The fan remains stationary until the power supply reaches a specific thermal or load threshold, ensuring silent operation during web browsing or office work.
- What is the warranty period for the SF1000? This model comes with a 5-year manufacturer warranty covering parts and labor for long-term reliability.