Corsair SF1000L
Best compact power supply for high-performance small form factor builds.
This powerhouse crams 1000W of reliable, ATX 3.0-ready energy into a footprint small enough for the tightest builds. You sacrifice a bit of standard ATX compatibility for a modular, space-saving design that doesn't compromise on the high-end thermal performance your modern GPU demands.
$295.99
Who it's for
- Quiet-focused builders prioritizing silent operation under heavy loads
- System builders wanting clean aesthetics and optimized internal airflow
- SFF enthusiasts building high-performance rigs in tight spaces
Who should skip it
- Budget-conscious shoppers comparing costs against standard ATX units
- Ultra-compact case owners needing strict SFX rather than SFX-L
- Builders struggling with cable routing in extremely cramped enclosures
Performance breakdown
Power Density
Delivers massive 1000W output within a remarkably compact SFX-L footprint.
Future-Proofing
ATX 3.0 certification and native 12VHPWR support handle modern GPU demands.
Cable Management
Fully modular design with micro-fit connectors simplifies tight-space cable routing.
Acoustic Performance
Zero RPM mode ensures near-silent operation during light desktop workloads.
Component Reliability
Japanese 105°C capacitors provide long-term stability under heavy thermal stress.
Energy Efficiency
80 PLUS Gold rating minimizes wasted heat and reduces electricity consumption.
Key Specs
Form Factor
SFX-L
Wattage
1000W
Efficiency Rating
80 PLUS Gold Certified
ATX Version
ATX 3.0 Certified
Modularity
Fully Modular
Fan Size
120mm
Fan Bearing Type
Rifle Bearing
Zero RPM Mode
Supported
Connectors
Type 5 Micro Fit Connectors
PCIe 5.0 12VHPWR GPU cable included
Know before you buy
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