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The darkFlash PMT1250 is a high-capacity, fully modular ATX power supply designed for demanding gaming PCs, workstations, and high-end builds. It delivers reliable 1250W of continuous power in a sleek white finish that matches modern all-white PC aesthetics. Built to the latest standards, it ensures excellent compatibility with next-generation hardware, including power-hungry GPUs. Key Feature Summary - Power Output & Efficiency — 1250W rated output with a strong single +12V rail (up to 99.9% of total power available on the 12V line).Certified 80 PLUS Gold (up to 90.5%+ efficiency) and Cybenetics Platinum certified for the higher-wattage models in the series.Supports wide input voltage (100-240V, 50-60Hz) and meets ErP 2010/2014 standards for low standby power (<0.5W).
- ATX 3.1 & PCIe 5.1 Ready — Fully compliant with the ATX 3.1 specification.Handles up to 200% total power excursion and 300% GPU power excursion for superior transient response and stability under sudden loads.Includes a native 12V-2x6 (12VHPWR) connector capable of delivering up to 600W directly to PCIe 5.1 graphics cards (compatible with NVIDIA RTX 30/40 series and AMD high-end GPUs).Often ships with 2× 12VHPWR cables for multi-GPU or future-proof setups.
- Fully Modular Design — All cables are detachable, allowing clean cable management and reduced clutter inside the case.Includes high-quality, textured sleeved cables for a premium look.
- Premium Components & Topology — 100% Japanese 105°C electrolytic capacitors for long-term reliability and stability.Advanced DC-DC converter circuit with Full Bridge LLC resonance + 12V synchronous rectification for tight voltage regulation and clean power delivery.
- Physical Specs — Compact dimensions: 140 × 150 × 86 mm (standard ATX size, fits most mid-tower and larger cases).Equipped with a quiet, intelligent fan for effective cooling while keeping noise levels low.
- Protections & Reliability — Comprehensive seven protection circuits: Over-Voltage (OVP), Under-Voltage (UVP), Over-Current (OCP), Over-Power (OPP), Short-Circuit (SCP), Over-Temperature (OTP), and more.Power Good signal: 100-250ms. Hold-up time: ≥16ms at 100% load.
- Warranty — 7 years limited warranty (for the 1050W/1250W models in the PMT series).
This PSU is an excellent choice for enthusiasts building high-power systems with multiple GPUs, overclocked components, or future-proofing for upcoming hardware. Its combination of modern compliance, premium internals, full modularity, and stylish white appearance makes it a strong performer in the mid-to-high-end PSU market. 
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