The Asus Rog Strix 1200P GAMING is a high-end Platinum PSU, aiming to meet the Corsair HX1200i eye-to-eye in both performance and price. The OEM behind it is Great Wall, one of China’s largest PSU manufacturers, with next to unlimited resources, so it will be interesting to see how this unit fares against other popular products in this category.
The Asus Rog Strix 1200P GAMING is (or will be) included in my best ATX v3.x & PCIe 5.x PSU picks article.
Asus recently started working with Great Wall, one of the largest Chinese OEMs. Since it belongs to the Chinese government, it has enormous resources at its disposal. I expect a lot from the Rog Strix 1200P, which aims to compete with the Corsair HX1200i. This is an ATX v3.1 PSU with its 12+4 pin socket set at 600W max power, enough to support every current GPU and the upcoming NVIDIA RTX 5090. A 1200W PSU might be overkill for most users, but if you want to equip your system with a high-end CPU and have the money to get a high-end GPU, it will fully meet your power demands while providing enough headroom for possible future upgrades. No one knows what the future will bring since GPU power consumption increases with each new generation. This is good news, of course, for PSU manufacturers. Still, the fact is that electricity is super expensive in regions like Europe, and on top of that, we have to minimize our carbon footprint, and power-hungry IT parts don’t help in this.
Like the ROG Strix 1000P I reviewed a while ago, this unit uses GaN MODFETs instead of MOSFETs in the PSU’s APFC converter for lower energy losses and increased efficiency. Nonetheless, using these FETs only doesn’t necessarily increase efficiency since you have to utilize a suitable design with the appropriate controller. I noticed that Great Wall uses a plain Champion CM6502UHHX to control the APFC converter. To fully exploit GaN FETs, you must use a totem-pole PFC converter, which can deliver up to 99% efficiency compared to the 96% efficiency of the most advanced conventional APFC designs, which requires a compatible controller. So, I am unsure whether this Champion controller can exploit the GaN FETs; the test results will show this.
To learn about the GaN MODFETs and their advantages over the “plain” FETs, read the following review:
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- Manufacturer (OEM): Great Wall
- Max Power: 1200W
- Cybenetics Efficiency: [115V] Cybenetics Platinum (89-91%), [230V] Cybenetics Platinum (91-93%)
- Noise: Cybenetics A (20-25 dB[A])
- Compliance: ATX v3.1, EPS 2.92
- Operating Temperature (Continuous Full Load): 0 – 50 °C
- Alternative Low Power Mode support: Yes
- Power 12V combined: 1200W
- Number of 12V rails: 1
- Power 5V + 3.3v: 130W
- Power 5VSB: 15W
- Cooling: 135mm Dual Ball Bearing Fan (F1214025BL)
- Semi-Passive Operation: ✓ (Selectable)
- Modular Design: Yes (Fully)
- High Power Connectors: 2x EPS (2x cables), 4x PCIe 6+2 pin (4x cables), 1x PCIe 12+4 pin (600W)
- Peripheral Connectors: 6x SATA (2x cables), 3x 4-pin Molex (1x cable)
- ATX Cable Length: 610mm
- EPS Cable Length: 1000mm
- 12+4 pin PCIe Cable Length: 745mm
- 6+2 pin PCIe Cable Length: 750mm
- Distance between SATA / 4-pin Molex: 120/150mm
- In-cable capacitors: No
- Dimensions (W x H x D): 150 mm x 85 mm x 160mm
- Weight: 1.86 kg (4.10 lb)
- Warranty: 10-years
- MSRP (excluding VAT): no info
Power Specifications
| Rail | 3.3V | 5V | 12V | 5VSB | -12V | |
| Max. Power | Amps | 25 | 25 | 100 | 3 | 0.3 |
| Watts | 130 | 1200 | 15 | 3.6 | ||
| Total Max. Power (W) | 1200 | |||||
