Running a high-performance small-form-factor PC can be stressful when you need reliable power without sacrificing space. The Corsair SF1000, 1000 W, 100 - 240 V, 47 - 63 Hz, 6 - 12 A, Power Supply delivers compact, fully modular power that keeps your build cool and stable, letting you focus on work or play rather than worrying about power issues.
Usages of a 1000 W Power Supply
Ideal for demanding builds, this unit fits seamlessly into everyday workflows:
- Powering high-end gaming rigs in tight SFF cases.
- Supplying workstations that run multiple GPUs for AI or rendering tasks.
- Driving compact home-theater PCs that need quiet operation.
- Supporting overclocked CPUs and fast SSD arrays in custom builds.
- Providing dependable power for small servers or NAS units.
Why Choose a Corsair Power Supply
If you build or upgrade a compact PC, you’ve likely struggled with bulky, noisy PSUs that limit component choices. Corsair’s reputation for quality means you get a unit designed for ATX 3.1 compliance, fully modular cabling, and Platinum efficiency, all within a 63.5 mm height. This helps you stay within tight case dimensions while still delivering the power headroom required for the latest hardware.
Key Features of a 1000 W Power Supply
- Power protection features: Overheating, Over current, Over power, Over voltage, Short circuit. Keeps your components safe from electrical faults.
- Max output current (+12 V): 83.3 A. Provides ample power for multiple graphics cards.
- Combined power (+12 V): 1000 W. Ensures the system can run at full load without throttling.
- Fully-Modular cabling: Allows you to use only the cables you need, reducing clutter.
- ATX 3.1 compliance: Supports the latest motherboard standards for future-proof builds.
- 80 PLUS Platinum certification: Guarantees high efficiency, lowering electricity costs.
- Silent mode: Fan runs only when necessary, keeping noise to a minimum.
- Weight: 2.3 kg. Light enough for easy installation in small cases.
- Dimensions (HxDxW): 63.5 mm × 100 mm × 125 mm. Fits SFF chassis without compromising airflow.
- On/off switch: Provides convenient power control without unplugging.
Benefits of Corsair Power Supply
With this PSU you avoid the hassle of overheating and noisy fans, saving you time on troubleshooting. Its high efficiency cuts electricity bills, while the modular design reduces cable clutter, making assembly quicker and cleaner. The robust protection features protect expensive components, giving you peace of mind and extending the life of your whole system.
Specifications
| Power |
| Power protection features |
Overheating, Over current, Over power, Over voltage, Short circuit |
| Max output current (+5Vsb) |
3 A |
| Max output current (+5V) |
20 A |
| Max output current (+12V) |
83.3 A |
| Max output current (+3.3V) |
20 A |
| Combined power (+5Vsb) |
15 W |
| Combined power (+5V) |
130 W |
| Combined power (+12V) |
1000 W |
| Combined power (+3.3V) |
130 W |
| Input current |
6 - 12 A |
| AC input frequency |
47 - 63 Hz |
| AC input voltage |
100 - 240 V |
| Total power |
1000 W |
| Ports & interfaces |
| Cabling type |
Fully-Modular |
| ATX power connector (12+4 pin) |
Yes |
| PCI Express power connectors (6+2 pin) |
4 |
| EPS power connector (4+4 pin) |
Yes |
| Number of PATA power connectors |
1 |
| Number of SATA power connectors |
3 |
| Motherboard power connector |
24-pin ATX |
| Performance |
| Mean time between failures (MTBF) |
100000 h |
| Bearing technology |
FDB |
| Silent mode |
Yes |
| ATX version |
3.1 |
| 80 PLUS certification |
80 PLUS Platinum |
| Power supply unit (PSU) form factor |
ATX |
| Purpose |
PC |
| Design |
| On/off switch |
Yes |
| Fan location |
Top |
| Number of fans |
1 fan(s) |
| Fan diameter |
9.2 cm |
| Cooling type |
Active |
| Product colour |
Black |
| Packaging content |
| Cables included |
AC |
| Weight & dimensions |
| Weight |
2.3 kg |
| Height |
63.5 mm |
| Depth |
100 mm |
| Width |
125 mm |
