ASUS ROG Strix 1200W Platinum (Fully Modular Power Supply, 80 Plus Platinum Certified, ATX 3.1, GaN MOSFET, GPU-First Intelligent Voltage Stabilizer, 10-Year Warranty) vs CORSAIR RM750e ATX 3.1 PCIe 5.1 Ready Fully Modular 750W Power Supply – 12V-2x6 Cable Included, Cybenetics Gold Efficiency, 105°C-Rated Capacitors, Modern Standby Mode – Black

Power Output and Efficiency

The ASUS ROG Strix 1200W Platinum delivers significantly more power than the CORSAIR RM750e, offering 1200W compared to the RM750e’s 750W. This 45% increase in wattage capacity makes the ROG Strix ideal for high-end gaming rigs with multiple GPUs or future-proofing needs. The ROG Strix is also certified 80 PLUS Platinum, indicating superior efficiency under load, while the RM750e carries a Cybenetics Gold certification—slightly lower on the efficiency scale. Despite this, both units are designed for modern systems with ATX 3.1 compliance, ensuring better voltage regulation and transient response.

Voltage Regulation and Connector Design

Both PSUs support ATX 3.1 and include native 12V-2x6 connectors for PCIe 5.0-ready graphics cards, but the ROG Strix features a “GPU-First” intelligent voltage stabilizer that enhances delivery by up to 45% to the GPU. This patented technology prioritizes stable power to the graphics card, reducing voltage drops during intense workloads. The RM750e includes a 12V-2x6 cable in the box, meeting the same standard, but lacks any mention of dynamic voltage optimization. The ROG Strix’s GaN MOSFET design further improves internal efficiency and thermal performance, contributing to more consistent voltage output across all components.

Build Quality and Thermal Performance

The ROG Strix uses dual ball fan bearings, which can last up to twice as long as sleeve-bearing designs, enhancing long-term reliability. It also features 0dB technology, allowing the fan to remain off at low loads for silent operation during light gaming. The RM750e employs a 120mm rifle bearing fan with a specially calculated fan curve, designed to minimize noise even under full load. While both use high-quality bearings, the ROG Strix’s larger heatsinks cover critical components, enabling lower operating temperatures than reference designs. The RM750e relies on 105°C-rated capacitors for stable electrical performance, but no specific thermal management details beyond the fan are provided.

Modular Cabling and Cable Management

Both the ROG Strix and RM750e are fully modular, meaning users only connect necessary cables, improving airflow and reducing clutter inside the case. The ROG Strix’s modular design supports cleaner internal layouts due to its GaN MOSFET architecture, which allows for a more compact internal layout. The RM750e includes a 140mm-long casing, compatible with nearly any modern case, and comes with a comprehensive set of cables including two 8-pin EPS connectors, one 8-pin PCIe, one 12V-2x6 to dual 8-pin PCIe adapter, and six SATA connectors. The ROG Strix does not list included cables beyond the modular system, but its fully modular nature ensures flexibility.

Warranty and Longevity

The ASUS ROG Strix comes with a 10-year warranty, a significant advantage over the CORSAIR RM750e’s seven-year warranty. This longer coverage reflects ASUS’s confidence in the product’s durability and performance. Both PSUs use premium components—ROG Strix features low-ESR capacitors and GaN MOSFETs, while the RM750e uses 105°C-rated capacitors for reliable power delivery. The extended warranty on the ROG Strix provides greater peace of mind, especially for users investing in high-performance builds where PSU failure could be catastrophic.

Price and Value Comparison

The CORSAIR RM750e is priced at $89.99, making it about 66% cheaper than the ASUS ROG Strix 1200W Platinum, which costs $264.99. This price difference reflects the substantial gap in power output and feature set. For users building a mid-tier system or upgrading an existing rig without extreme power demands, the RM750e offers excellent value at under $90. However, the ROG Strix’s higher wattage, advanced voltage stabilization, and 10-year warranty justify its premium cost for enthusiasts and professionals requiring top-tier reliability and scalability.

Which should you buy?

Choose the ASUS ROG Strix 1200W Platinum if you need maximum power (1200W), future-proofing for PCIe 5.0 GPUs, and a 10-year warranty with advanced voltage stabilization and GaN MOSFET efficiency. It’s ideal for high-end gaming systems or workstation builds demanding unwavering stability. Opt for the CORSAIR RM750e if you’re building a balanced, efficient system with a 750W power budget, seeking a quiet, fully modular PSU with ATX 3.1 and PCIe 5.1 readiness at just $89.99—about 66% less than the ROG Strix.