Description
The Cooler Master X Silent Edge Platinum 850W redefines high-end power delivery by removing the cooling fan entirely. Utilizing advanced thermal dissipation technology and high-grade internal components, this unit achieves 80 PLUS Platinum efficiency without the noise or dust accumulation associated with active cooling. It is fully compatible with the ATX 3.1 standard, ensuring stable power delivery for the latest NVIDIA 40-series and future GPUs while maintaining a 15-year warranty for long-term reliability.
This product is for:
- Silent PC Enthusiasts: Users building noise-sensitive workstations or home theater PCs (HTPC) where zero decibel operation is mandatory.
- Content Creators and Audio Engineers: Professionals requiring a silent environment for recording and high-fidelity audio production without fan interference.
- High-End Gamers: Players using modern GPUs like the RTX 4080 or 4090 who need the reliability of the 12V-2x6 connector and ATX 3.1 transient load stability.
- Long-Term System Builders: Users seeking a durable foundation backed by a 15-year warranty and high-quality Japanese capacitors.
- Smart System Integrators: Builders utilizing PMBus and USB connectivity for real-time digital monitoring of power metrics and efficiency.
Detailed specifications:
- Model Number: MPS-8501-AZAP-NBTW
- Form Factor: ATX 12V Ver. 3.1
- Efficiency Rating: 80 PLUS Platinum (92% Typical Load)
- Total Power: 850 Watts
- Dimensions: 180 x 150 x 86 mm
- Cooling: Fanless (Passive Thermal Management)
- Connectors: 1x 24-Pin, 1x EPS 4+4 Pin, 1x EPS 8 Pin, 12x SATA, 4x Peripheral 4-Pin, 4x PCI-e 6+2 Pin, 1x 12V-2x6 (PCIe 5.1)
- Digital Interface: USB 10P, PMBus 5-Pin, External Fan 4-Pin
- Protection: OVP, OPP, SCP, OCP, UVP, OTP, Surge, Inrush
- Operating Temperature: 0-40°C
Operating the X Silent Edge Platinum 850 is a transformative experience for those used to the hum of traditional power supplies. The passive cooling design relies on a sophisticated internal heat pipe system and a high-surface-area chassis to maintain optimal temperatures. During heavy workloads, the unit remains completely silent, eliminating the fan ramp-up common in high-wattage units. The inclusion of the 12V-2x6 cable simplifies cable management for modern graphics cards, providing up to 600W through a single connection while the PMBus allows for precise digital telemetry.
Compared to standard 850W Platinum units like the Cooler Master V Series, the X Silent Edge stands out through its fanless architecture and ATX 3.1 certification. While traditional units use active fans that can fail or gather dust, the X Silent Edge uses a solid-state thermal approach, significantly increasing the MTBF to over 100,000 hours. It offers more SATA connectors (12) than most competitors in this wattage bracket, making it superior for storage-heavy workstations or complex RGB setups requiring multiple power points.
Q&A:
- Is the Cooler Master X Silent Edge 850W compatible with RTX 40-series GPUs? Yes, it includes a native 12V-2x6 connector designed for PCIe 5.1 standards, supporting high-power graphics cards without the need for adapters.
- Does a fanless power supply overheat in a closed case? The unit is designed for passive dissipation; however, it is recommended to have adequate case airflow to ensure ambient temperatures stay within the 0-40°C operating range.
- What is the benefit of the PMBus and USB 10P connectors? These allow the power supply to communicate with your motherboard, enabling software monitoring of power consumption, efficiency, and internal temperature.
- How does ATX 3.1 differ from ATX 3.0 in this model? ATX 3.1 introduces the refined 12V-2x6 connector, which offers better physical engagement and safety margins compared to the original 12VHPWR design.
- Can I add a fan if my case has poor airflow? The unit features an external 4-pin fan connector, allowing you to link a case fan that can respond to the PSU's thermal state if additional cooling is required.