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Kingwin Lazer Series 1,000W Power Supply Review

Manufacturer: Kingwin
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Introduction and Features

Introduction

       


           

Kingwin now offers four new power supply units in their Lazer Series, ranging in output capacities from 660W all the way up 1,000W.  The LZ-1000 PSU we have up for review comes with a full compliment of modular cables, a 140mm LED fan, and is certified for high efficiency (80Plus Bronze) and is nVIDIA SLI Ready.  The Kingwin 1,000W PSU incorporates both white and blue LEDs in the crystal-cube modular connectors and cooling fan for added visual impact.



(Courtesy of Kingwin)

Here is what Kingwin has to say about their new Lazer Series LZ-1000 PSU: "80Plus Bronze certified, innovative Crystal Cube Modular Connectors, 3-way LED switch and 1,000 Watts of full punching power, our most advanced Lazer yet, this LZ-1000 is a must have for your gaming rig."

Kingwin LZ-1000 PSU Key Features:

•    1,000W DC output at 40°C

•    960W (80A) Combined +12V output power

•    Support for Intel and AMD high performance CPUs

•    ATX12V and EPS12V 2.92 compatible

•    White and Blue LED Crystal Cube modular connectors and fan

•    3-Way LED switch: Blue LED - White LED - Off

•    140mm Silent fan with Intelligent Auto Fan Speed control

•    High efficiency (85% at typical load) 80Plus Bronze certified

•    OVP / UVP / OPP / Short circuit protection

•    Compliance with nVIDIA and ATI SLI specifications

•    Four PCI-E connectors support high-end graphic adapters

•    Active PFC with universal AC input

•    3-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 2,000 watt DC load on the PSU under test.  Each power supply is tested under controlled, real-world conditions up to its maximum rated load, using both 115 VAC and 240 VAC line voltage.  Our current suite of tests includes:

•    DC Load Regulation

•    DC Line Regulation

•    DC Cross-load (unbalanced load)

•    AC Ripple and Noise

•    Power Factor

•    Efficiency

•    Differential Temperature

•    Noise


The Kingwin LZ-1000 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 (+12V1, +12V2, +12V3, and +12V4)

•    Extech MultiMaster MM570 digital multimeter (Accuracy ±0.02%)

•    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)

•    Custom PC60 enclosure to simulate real-world operating conditions

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