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EVGA SuperNOVA P2 1600 PSU Review


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The fan is a ‘Globe’ double ball bearing model, number RL4Z-B1402512EH. This is rated 12V, 0.6A with a maximum speed of 2,000 rpm, airflow 153.47cfm. Maximum noise rating is officially 39.5dBa. We will measure noise later in the review. This is the same model that features in the P2 1200 supply.
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The EVGA SuperNova P2 1600 is created by OEM partner Super Flower (based on their Leadex Platform). The primary side is using a full bridge topology with a LLC converter to help improve efficiency. The secondary side of the design incorporates a synchronous design for the rectification of the +12V rail with DC-DC converters for minor rail generation. Soldering quality of the main PCB is good.
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Transient filtering starts at the AC Receptacle. The main PCB houses the second stage and features CM chokes, two pairs of Y caps, two X caps and an MOV. Super Flower have built in a Transient Voltage Suppression diode to help protect against spiking.
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The primary stage uses four high grade 105c rated Japanese Nippon Chemi-Con capacitors (1200 P2 uses KMQ series caps, 1600 P2 uses KMW series). These are rated 400V 390uF – combining for a total of 1560uF. By comparison the P2 1200 combined total is 1120uF. Secondary stage capacitors are all Japanese 105c rated Nippon Chemi Con. Top marks to the Super Flower engineers for not making any compromises with the design.


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  • ramonzarat

    Who the fuck needs a 1600 watts PSU nowadays with Intel Haswell mere 88 W TDP and Nvidia GM204 low 165 W TDP???

    Even with a workstation running 2 X Haswell Xeon and 4 X GM204 GPU, that’s still only 836 W! Add on top a “worse case scenario” 100 W for the motherboard, 3 more PCI-e expansion card, 64GB of RAM, 2 X SSD, 4 X hard drives and a dual water cooling loop for CPU/GPU, and you don’t even break the 1000 W barrier!

    For a regular single air cooled i7-4790K, 32GB RAM and 2 X GTX 980, 2 X SSD in RAID0 and 2 X hard drives in RAID1 + a few accessories and motherboard, you are looking at WELL below 600 watts, even overcloked! 800 W PSU are already overkill now, imagine 1600 W…