GoKawiilThe Platimax II 1200DF is a technically accomplished unit. RSY's platform performs at a high level, with tight voltage regulation, excellent ripple suppression, and real-world efficiency figures that comfortably clear the Platinum bar regardless of input voltage. The 13-year warranty is not a marketing stunt but a statement of engineering confidence. The principal weakness is the cable configuration: a single 12V-2x6 connector and only three 6+2 pin PCI Express connectors on a 1200W unit will frustrate users expecting full connectivity density at this price point.
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Enermax has been producing PC power supply units long enough to have earned credibility that does not depend on marketing. The Platimax series has historically occupied the upper tier of their lineup, and the new revision continues that position with updated components, revised aesthetics, and an efficiency target that clears 80 Plus Platinum with room to spare.
We examine the Enermax Platimax II 1200DF to see if it deserves a spot in our list of best power supplies. The 1200DF variant carries the "DF" designation for its Dust-Free technology, a hardware-level feature that spins the fan in reverse to expel accumulated particulate. This is not a gimmick. Dust buildup on fan blades and heatsink fins is a genuine long-term reliability concern, and addressing it at the platform level is a sensible approach. The unit targets high-performance single-GPU builds, though the connectivity choices limit its appeal beyond that scope.
Specifications and Design
Swipe to scroll horizontally Enermax Platimax II 1200DF Power Specifications ( Rated @ 40 °C ) RAIL +3.3V +5V +12V +5Vsb -12V MAX OUTPUT 20A 20A 100A 3A 0.4A Row 2 - Cell 0 100W 100W 1200W 15W 4.8W TOTAL 1200W Row 3 - Cell 2 Row 3 - Cell 3 Row 3 - Cell 4 Row 3 - Cell 5 AC INPUT 100 - 240 VAC, 50 - 60 Hz Row 4 - Cell 2 Row 4 - Cell 3 Row 4 - Cell 4 Row 4 - Cell 5 MSRP $230 Row 5 - Cell 2 Row 5 - Cell 3 Row 5 - Cell 4 Row 5 - Cell 5
In the Box
The Platimax II 1200DF ships in a sturdy cardboard box with a decorative ribbon wrapping the exterior. Enermax has made an effort to keep the packaging reasonably environmentally responsible without sacrificing protection. Inside, the unit sits in a fabric pouch surrounded by foam inserts.
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The accessory bundle is minimal. Mounting screws, an AC power cable, and a handful of basic cable ties are included alongside a printed manual. There are no cable combs, a noticeable omission at this price point, given the cable construction that would benefit from organization aids.
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