Introduction and Features

Introducing Cyonic – the latest player in the global PSU arena

Introduction

Introducing Cyonic, a new player in the global PC power supply arena. Founded in 2013, Cyonic’s goal is to become a global brand of high performance computer parts and accessories. The business is starting off by selling power supplies and Cyonic will soon have three product lines: the AU Series (fixed cables), AUx Series (all modular cables), and the Arise Series (sold exclusively in Japan). The AU and AUx Series will both contain three models, ranging in output capacities of 450W, 550W, and 650W. In this review we will take a detailed look at the AU-450x we received for evaluation.

The new Cyonic AUx Series power supplies feature fully modular cables, quiet operation and high efficiency. And they are housed in a compact chassis that measures only 140mm (5.5”) deep. Cyonic suggests the AUx Series power supplies are “the ideal choice for office use, casual gaming, and Home Theater PCs”. Getting into the PC power supply market might seem a rather daunting task, but Cyonic has partnered with Seasonic as their OEM, which is certainly a good start.

Cyonic AUx PSU Key Features:

•    450W, 550W and 650W models
•    Fully modular cables design
•    Compact ATX chassis: only 140mm (5.5”) deep
•    80 PLUS Gold certified, at least 90% efficiency under 50% load
•    120mm Fluid Dynamic Bearing fan for long life and quiet operation
•    Intelligent Fan Manager for very quiet operation
•    High quality components including 105°C Japanese electrolytic capacitors
•    Compatibility with Intel's 4th Generation Core processors
•    Safety Protections: OPP, OVP, UVP and SCP
•    Conforms to ATX12V v2.31 and EPS 2.92 standards
•    5-Year warranty

PSU Testing Methodology

Establishing an accurate load is critical to testing and evaluating a PC power supply.  PCPerspective’s power supply test bench can place a precise DC load on the PSU under test.  Each power supply is tested under controlled, real-world conditions up to its maximum rated load (at 40ºC), using both 115 VAC and 240 VAC line voltage.  Our current suite of tests includes:

•    DC Load Regulation
•    AC Ripple and Noise
•    Efficiency
•    Differential Temperature
•    Noise

The Cyonic AU-450x power supply was evaluated on both features and performance.  A full range of equipment was used to test the power supply under controlled load conditions.  

•    (2) CSI3710A Programmable DC load (+3.3V and +5V outputs)
•    (4) CSI3711A Programmable DC load (+12V)
•    (3) 218W Precision resistor load bank (+12V)
•    Switchable precision resistor load bank (-12V and +5VSB)
•    Agilent 34401A digital multimeter (Accuracy ±0.0035% vDC)
•    Extech 380803 Power Analyzer (Accuracy ±0.5% of full scale)
•    DS1M12 "StingRay" digital oscilloscope (20M S/s with 12 Bit ADC)
•    Powerstat Variable Autotransformer, 1.4 KVA, 0-140 VAC
•    Extech Model 407738 digital sound level meter (Accuracy ±1.5 dB)

The following cables/connectors were used to connect the AU-450x to the PCPerspective power supply test equipment.
•    (1) 20+4 pin ATX
•    (1) 8-pin EPS/ATX12V
•    (2) 6-pin PCI-E
•    (2) SATA
•    (2) Molex

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