Corsair RM750e Fully Modular ATX 3.1 Gaming Power Supply 750W — Black

The Corsair RM750e represents the modern standard for mainstream gaming and workstation power delivery — a fully modular, low-noise 750-watt ATX 3.1 power supply built to meet the demands of next-generation NVIDIA GeForce RTX 40/50 Series and AMD Radeon RX 7000/9000 graphics cards. Featuring a native 12V-2x6 connector for direct PCIe 5.1 GPU power delivery up to 600W, Cybenetics Gold efficiency, industrial-grade 105°C-rated capacitors, and a whisper-quiet 120mm rifle-bearing fan, the RM750e delivers everything modern PC builders need in a clean, compact 140mm-depth chassis that fits virtually any modern case.

Built for Next-Gen Hardware

Corsair engineered the RM750e to comply with Intel's latest ATX 3.1 power standard and the corresponding PCIe 5.1 specification — meaning the unit is designed from the ground up to handle the aggressive transient power excursions characteristic of modern high-end GPUs. Where older ATX 2.x PSUs would trip protection circuitry under sudden GPU current spikes, the RM750e absorbs and delivers up to 2x its rated wattage in brief transients without flinching. The included native 12V-2x6 cable is rated for the full 600W needed to drive flagship cards like the RTX 4090, RTX 5080, and RTX 5090.

Cybenetics Gold Efficiency

The RM750e carries Cybenetics Gold certification — a more demanding real-world efficiency standard than the older 80 PLUS Gold rating. This translates to higher actual efficiency at typical PC load points (50% load), reduced heat output inside your case, and lower electricity costs over the long term. Cybenetics also evaluates noise output independently, awarding the RM750e a Lambda noise certification reflecting its consistently quiet operation across the full load spectrum.

Whisper-Quiet 120mm Rifle-Bearing Fan

Corsair tuned the RM750e's 120mm rifle-bearing cooling fan with a deliberately gentle fan curve — keeping audible noise at an absolute minimum even under sustained heavy loads. Rifle bearings deliver longer service life than basic sleeve fans while running noticeably quieter at low to medium speeds. For most gaming and productivity workloads, you'll never even notice the PSU fan is running. The unit also supports Microsoft Modern Standby for ultra-fast wake-from-sleep transitions and improved low-load efficiency.

Industrial-Grade Component Quality

Every RM750e is built with 105°C-rated industrial capacitors throughout, delivering exceptional electrical stability and long-term reliability under heavy continuous loads. The unit uses a modern LLC resonant + DC-to-DC topology with active PFC for clean current draw and tight voltage regulation. A complete protection suite covers OCP (Over Current Protection), OVP (Over Voltage), UVP (Under Voltage), SCP (Short Circuit), OPP (Over Power), and OTP (Over Temperature) — safeguarding your valuable components from electrical hazards.

Fully Modular Cable System

The RM750e's fully modular cable design means you connect only what your system needs — eliminating cable clutter, improving case airflow, and making cable management dramatically easier. Standard included cables (when boxed new) cover:

• 1× 24-pin ATX motherboard cable
• 2× 4+4-pin EPS12V CPU cables
• 1× 8-pin PCIe (6+2) cable
• 1× 600W native 12V-2x6 (12+4-pin) cable for PCIe 5.1 GPUs
• Multiple SATA and Molex peripheral cables

Compact 140mm Depth Chassis

At just 140mm deep, the RM750e fits comfortably in nearly any modern case — from full towers to compact mid-towers and even some small-form-factor builds. The reduced depth frees up additional space for cable management behind the motherboard tray and improves overall chassis airflow. The understated matte-black exterior with subtle Corsair branding integrates cleanly with stealth builds, RGB themes, and professional workstation aesthetics alike.

Detailed Specifications

• Wattage: 750W continuous output
• Efficiency: Cybenetics Gold (80+ Gold equivalent)
• Modularity: Fully Modular
• Form Factor: ATX (140mm depth)
• ATX Standard: ATX 3.1 compliant
• PCIe Standard: PCIe 5.1 ready, native 12V-2x6 connector
• Fan: 120mm Rifle-Bearing
• Capacitors: 105°C-rated industrial grade
• Topology: LLC Resonant + DC-to-DC, Active PFC
• Modern Standby: Yes
• Protections: OCP / OVP / UVP / SCP / OPP / OTP
• Dimensions: 150 × 140 × 85 mm
• Cables: Black, fully modular
• Color: Black
• Condition: No Box — bare unit, accessories may be incomplete
• SKU: PSU-CORS-RM750E-OB-0128

Ideal For

Modern gaming PC builds powered by NVIDIA GeForce RTX 40 Series (RTX 4060/4070/4080), RTX 50 Series (RTX 5070/5080), or AMD Radeon RX 7900/9070 class GPUs. Equally excellent for content creation workstations running heavy video editing in DaVinci Resolve or Premiere Pro, AI/ML inference rigs, livestreaming setups requiring stable power for capture cards and multi-GPU configurations, and clean stealth builds where ATX 3.1 compliance and native 12V-2x6 connectivity are non-negotiable for future-proof PC building.

What to Expect

This unit ships without its original retail packaging. The PSU itself has been verified to be in fully working condition. Some retail-box accessories (cable bag, printed user manual, mounting screws, or certain less-commonly-used modular cables) may not be included. We recommend confirming specific cable inventory with our team before ordering if your build requires uncommon connectors or the full original cable set. Despite the missing packaging, the unit performs identically to a brand-new boxed example.