COOLER MASTER MWE 650W 80+ White Non Modular ATX 2.0 Power Supply ( 650W )

The Cooler Master MWE 650W 80+ White V2 (model MPE-6501-ACABW) is a non-modular ATX 2.0 power supply designed to deliver dependable, efficient power for mainstream desktop builds. Carrying the 80 Plus White (230V EU) certification, the unit achieves a typical efficiency of 85%, meaning less power is wasted as heat during normal operation and your electricity costs stay in check over the long term. At the heart of the MWE 650 White V2 is a DC-to-DC LLC circuit topology. Rather than converting mains voltage directly to all output rails at once, the design first establishes a clean, stable 12V bus and then uses dedicated DC-to-DC converters to derive the 3.3V and 5V rails. This approach reduces ripple noise on those rails and improves voltage regulation, which matters for the overall stability of your storage devices, memory, and motherboard. A single +12V rail carries the full load capacity to your CPU and GPU without splitting it across multiple virtual rails — simplifying compatibility and ensuring consistent delivery across all connectors. Active Power Factor Correction (Active PFC) keeps the power factor close to unity, reducing harmonic distortion on the mains supply. Cooling is handled by a temperature-sensitive 120mm HDB (Hydrodynamic Bearing) fan rated up to 2,400 RPM. HDB technology uses a thin film of oil to reduce friction and wear, translating into quieter operation and longer bearing life compared with sleeve-bearing alternatives. The fan curve responds to internal temperatures rather than running at a fixed speed, so the unit stays quieter during light workloads. Flat, non-modular black cables are included for all connections. While fixed cables mean a slightly busier cable run compared with modular designs, the flat ribbon format makes them easier to route and tuck behind a motherboard tray. Protection features confirmed in the source data include Over Voltage Protection (OVP), Over Power Protection (OPP), Over Temperature Protection (OTP), and Short Circuit Protection (SCP). Verified Specifications: – Model: MPE-6501-ACABW – Rated Output: 650W – Efficiency: 80 Plus White (230V EU, ~85% typical) – Form Factor: ATX 2.0, Non-Modular – PFC: Active PFC – Input Voltage: 200–240 V AC – Input Current: 5 A – Input Frequency: 50–60 Hz – Fan: 120mm HDB, up to 2,400 RPM – Dimensions (L × W × H): 140 × 150 × 86 mm – MTBF: 100,000 hours – Hold-Up Time: >14 ms at full load @ 230 V AC – Operating Temperature: up to 40°C – Connectors: 1× 24-pin ATX, 1× CPU 4+4-pin, 4× PCIe 6+2-pin, 6× SATA, 3× Peripheral 4-pin – Warranty: 5 years