About Corsair HX1200i Ultra Low Noise PSU
| Attribute | Specification / Details |
|---|---|
| Model / SKU | CP-9020307-IN / CP-9020307-NA |
| Continuous Power Output | 1200 W |
| +12 V Rail Output | Up to 100 A (≈ 1200 W) |
| +3.3 V & +5 V Combined Output | Up to 150 W |
| +5 VSB Output | 15 W |
| Input Voltage | 100–240 V AC, Frequency 47–63 Hz |
| Efficiency / Certification | 80 PLUS Platinum (~92% typical efficiency), also Cybenetics Platinum efficiency |
| Capacitors & Components | 100% Japanese electrolytic capacitors rated 105 °C |
| Cooling Fan & Bearing | 1 × 140 mm fluid-dynamic bearing (FDB) fan; Zero RPM mode for silent low/medium load operation |
| Modularity & Cable Design | Fully modular; only required cables used — improves airflow and cable management |
| Connectors / Compatibility | 1 × 24-pin ATX, 2 × EPS/CPU (4+4), 5 × PCIe (6+2), plus support for 12V-2×6 GPU cable (12 VHPWR / PCIe 5.1), multiple SATA & Molex connectors — multi-GPU ready |
| Standards Compliance | ATX 3.1, PCIe 5.1 / 12VHPWR ready — supports modern and next-gen GPUs & components |
| Noise / Power Efficiency Behavior | “Zero RPM Mode” — fan turns off under low/medium load; high efficiency reduces wasted heat and noise |
| MTBF / Lifespan | ~100,000 hours |
| Warranty | 10 years manufacturer warranty |
| Form Factor / Dimensions | Standard ATX PSU — case-compatible with typical mid/full-tower PC builds. |
Efficiency and build quality are key pillars of the HX1200i.
With an 80 PLUS Platinum certification, the unit converts up to ~92% of AC input into usable DC power — reducing energy waste, lowering heat generation, and keeping power draw clean and efficient.
Inside, the PSU uses 100% Japanese electrolytic capacitors rated for 105 °C, known for high reliability and extended lifespan.
This ensures consistent voltage regulation and long-term stability, even under extended heavy loads or high-temperature environments.
A major advantage of HX1200i is its fully modular cable design.
Modular cabling enables you to plug in only the connectors your system needs, resulting in cleaner builds, better airflow, and simpler cable management.
The included cable set supports modern high-power hardware — with multiple 6+2-pin PCIe connectors and support for 12VHPWR / PCIe 5.1 GPUs.
This makes HX1200i future-ready for next-gen graphics cards and GPUs, ensuring that you don’t need to upgrade your PSU with every hardware jump.
Cooling and acoustics are handled thoughtfully.
A 140 mm fluid-dynamic bearing (FDB) fan provides efficient cooling while staying quiet.
Thanks to its “Zero RPM Mode,” the fan remains completely off under low and medium loads — rendering the PSU nearly silent when your PC isn’t under heavy stress.
Under heavier loads, the fan spins up only as needed, balancing cooling efficiency with acoustic performance.
If you value a quiet system — for gaming, content creation, or audio work — HX1200i makes a strong case.
Beyond raw power and quiet operation, the HX1200i is built to meet modern power standards.
It is ATX 3.1 compliant and PCIe 5.1 / 12VHPWR ready, ensuring compatibility with current and future high-performance GPUs and components.
The PSU also includes comprehensive protections — over-voltage, under-voltage, over-power, over-temperature, short-circuit protection — and uses a fully digital power platform for clean, stable power delivery with minimal noise or fluctuation.
Reliability and longevity are further supported by a 100,000-hour MTBF rating and a 10-year manufacturer warranty.
Whether you’re building a top-tier gaming PC, a rendering workstation, or a future-proof multi-GPU system — HX1200i is designed to serve as a dependable, long-lasting power foundation.
Physically, its ATX form factor ensures broad compatibility with mid-tower and full-tower cases.
Combined with modular cables and modern connector support, the HX1200i merges practicality with power — giving builders both flexibility and peace of mind.
The Corsair HX1200i isn’t just a PSU — it’s a power cornerstone for demanding PC builds.
It delivers high wattage headroom, efficient power conversion, silent operation, modular flexibility, and modern hardware support — making it one of the best choices for enthusiasts who want performance and build quality that lasts.
