Tired of unstable power causing crashes or noisy fans during long gaming sessions? A reliable, efficient power supply keeps your components safe and your system quiet, letting you focus on performance without worry. The Corsair RMe Series RM1200e, 1200W, Fully Modular, 80+Gold, ATX 3.1, Power Supply delivers clean, high-capacity power for demanding builds, while its compact design and low-noise fan let you build a tidy, silent rig.
Why Choose a Corsair Power Supply
Many buyers worry about choosing a PSU that can handle the latest GPUs and CPUs without wasting energy or creating excess heat. They also fear tangled cables and noisy operation. This unit removes those doubts with ATX 3.1 certification, 80 PLUS Gold efficiency and fully modular cabling, ensuring you only use the cables you need and enjoy near-silent performance at low loads. Its Zero RPM fan mode and compact size further reduce clutter and noise, making it a safe, efficient choice for high-end PCs.
Key Features of a 1200W Power Supply
- Max output current (+12V): 100 A. Provides ample headroom for multiple high-end graphics cards.
- 80 PLUS Gold certification: 90 % efficiency. Lowers electricity bills and reduces heat.
- Fully-Modular cabling: Connect only the cables you need. Keeps the interior neat and improves airflow.
- ATX 3.1 certified: Meets the latest reliability and efficiency standards for modern hardware.
- Zero RPM fan mode: Fan stops at low loads, delivering near-silent operation.
- 105 °C-rated Japanese capacitors: Guarantees long-term stability and durability under heavy use.
- PCIe 5.1 12V-2x6 GPU cable included: Ready for the newest RTX 50 series cards without extra adapters.
- Compact dimensions: Shorter chassis leaves extra space behind the PSU for easier cable management.
- MTBF 100 000 h: Designed to run for years without failure, giving you peace of mind.
Usages of a 1200W Power Supply
Ideal for enthusiasts building high-performance gaming rigs, workstations with multiple GPUs, or servers that demand continuous, reliable power. It also suits creators who need stable voltage for demanding rendering tasks and anyone upgrading to the latest PCIe 5.0 graphics cards.
Benefits of Corsair Power Supply
- Quiet operation: Zero RPM fan mode keeps noise to a minimum during light use.
- Energy savings: 80 PLUS Gold efficiency reduces power waste and lowers bills.
- Future-proof reliability: ATX 3.1 compliance ensures compatibility with upcoming components.
- Easy cable management: Fully modular design lets you route only the cables you require.
- Long-term confidence: High-temperature capacitors and a 100 000 h MTBF protect your investment.
Specifications
| Power |
| Max output current (+5Vsb) |
3 A |
| Max output current (+5V) |
20 A |
| Max output current (+12V) |
100 A |
| Max output current (+3.3V) |
20 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 A |
| AC input frequency |
47 - 63 Hz |
| AC input voltage |
100 - 240 V |
| Total power |
1200 W |
| Ports & interfaces |
| Cabling type |
Fully-Modular |
| Number of EPS connectors |
2 |
| PCI Express power cable length |
60 cm |
| PCI Express power connectors (6+2 pin) |
2 |
| Peripheral (Molex) power cable length |
100,450 mm |
| Peripheral (Molex) power connectors (4-pin) |
4 |
| SATA power cable length |
115,455,800 mm |
| Number of SATA power connectors |
3 |
| Motherboard power cable length |
61 cm |
| Motherboard power connector |
24-pin ATX |
| Performance |
| Mean time between failures (MTBF) |
100000 h |
| ATX version |
3.0 |
| 80 PLUS certification |
80 PLUS Gold |
| Power supply unit (PSU) form factor |
ATX |
| Purpose |
PC |
| Design |
| On/off switch |
Yes |
| Number of fans |
1 fan(s) |
| Cooling type |
Active |
| Product colour |
Black |
| Weight & dimensions |
| Weight |
3.38 kg |
