Corsair SF1000

Pros

• High power density (1000W) in a compact SFX form factor.
• Provides significant headroom for future-proofing high-end GPU builds.
• Includes an ATX-to-SFX adapter bracket for versatile mounting.
• Platinum-certified efficiency is well-regarded for high-draw systems.

Cons

• Significantly more expensive than standard ATX power supplies.
• Stock cables are short, which can be problematic for CPU routing in some cases.
• Cables are described as thick and stiff, making them difficult to route in tight spaces.
• SFX size is unnecessary and overpriced for users with full-tower cases.

Caveats

• The 12VHPWR cable is noted for being particularly thick, which may require significant pressure to fit in slim cases.
• Users in larger cases may need to purchase cable extensions due to the short lengths intended for SFF builds.

Best for

• High-end SFF or MFF builds (e.g., Fractal Era 2).
• Users running power-hungry components like the RTX 4090 or 5090 in small cases.

Avoid if

• You are building in a standard ATX or full-tower case where space is not an issue.
• You are on a budget and can meet your power needs with an 850W unit or a cheaper ATX alternative.