Power users know that an unstable or under-powered system can cause crashes, data loss and noisy fans. The Corsair HX1200i, 1200 W, 100 - 240 V, 47 - 63 Hz, 15-7.5 A, Power Supply delivers clean, reliable electricity to keep high-end rigs running smoothly, even under the heaviest loads.
Corsair Power Supply
A power supply that fails to meet modern demands can bottleneck your build and waste electricity. This unit solves that by offering ATX 3.1 certification, 80 PLUS Platinum efficiency and fully modular cabling, ensuring you get stable power, lower heat and a tidy case. It’s designed for enthusiasts who need uncompromised performance without the noise.
Usages of a 1200 W Power Supply
Ideal for workstations, gaming rigs and content-creation PCs that run multiple RTX 40-series GPUs, high-core-count CPUs and numerous storage drives. Its robust connectors and high current capacity let you power demanding configurations safely and efficiently.
Benefits of Corsair Power Supply
You enjoy near-silent operation thanks to the fluid-dynamic bearing fan that only spins when needed, while the digital control via iCUE lets you monitor and adjust performance in real time. The 105 °C-rated Japanese capacitors provide long-term reliability, and the ATX 3.1 compliance guarantees compatibility with the latest hardware standards. Low-load efficiency reduces your electricity bill, and the included PCIe 5.1 cable readies you for the newest graphics cards.
Key Features of a 1200 W Power Supply
- ATX 3.1 certification: ATX 3.1 compliance. Guarantees modern reliability and efficiency standards.
- Efficiency rating: 80 PLUS Platinum. Delivers up to 92 % efficiency, cutting power waste.
- Capacitors: 100 % Japanese 105 °C electrolytic. Ensures stable voltage and long lifespan.
- Fan: 140 mm fluid dynamic bearing with Zero RPM mode. Provides cooling only when required for quiet operation.
- Output (+12 V) current: 100 A. Supplies ample power for multiple high-end GPUs.
- Modular cabling: Fully-modular. Lets you use only the cables you need, reducing clutter.
- PCIe connectors: 4 × 8-pin PCIe. Supports the latest graphics cards with sufficient power.
- EPS connector: 8-pin EPS. Provides reliable power to high-performance CPUs.
- USB port: 1 × USB 3.2 Gen 1. Enables easy firmware updates and monitoring.
- Weight: 4.4 kg. Sturdy build that fits securely in standard ATX cases.
Specifications
| Power |
| Max output current (+5Vsb) |
3 A |
| Max output current (+5V) |
25 A |
| Max output current (+12V) |
100 A |
| Max output current (+3.3V) |
25 A |
| Combined power (+5Vsb) |
15 W |
| Combined power (+5V) |
150 W |
| Combined power (+12V) |
1200 W |
| Combined power (+3.3V) |
150 W |
| Input current |
15-7.5 A |
| AC input frequency |
47 - 63 Hz |
| AC input voltage |
100 - 240 V |
| Total power |
1200 W |
| Ports & interfaces |
| Cabling type |
Fully-Modular |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors |
1 |
| PCI Express power connectors (8-pin) |
4 |
| EPS power connector (8-pin) |
Yes |
| SATA power cable length |
800 mm |
| Number of PATA power connectors |
4 |
| Number of SATA power connectors |
4 |
| Motherboard power cable length |
61 cm |
| Motherboard power connector |
24-pin ATX |
| Performance |
| Mean time between failures (MTBF) |
100000 h |
| Bearing technology |
FDB |
| 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 |
14 cm |
| Cooling type |
Active |
| Product colour |
Black |
| Weight & dimensions |
| Weight |
4.4 kg |
| Packaging data |
| Package type |
Box |
