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Ultra Products X3 600W Modular Power Supply Review

Manufacturer: Ultra Products
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Introduction and Features

Ultra Products has a well-earned reputation with PC enthusiasts for providing a full range of aftermarket components and accessories.  Ultra’s X3 series of energy efficient, modular power supplies are available with output capacities ranging from 600W up to 1,600W.  The Ultra X3 modular series combines features from both the high-efficiency X-Pro EE 600W and the workstation/server class X-Finity 800W power supplies that we reviewed earlier this year.   The X3 600W features all modular cables, Active PFC, high efficiency, quiet operation, and it is backed by Ultra’s Lifetime Warranty. 


Ultra X3 600W Energy Efficient Modular Power Supply – Main Features

•    600 Watts maximum combined output

•    Meets ATX v2.2, v1.3 and ATX12V v2.2 specifications

•    Single, high-capacity +12V output (up to 36A)

•    Quiet 135mm, variable speed cooling fan

•    High efficiency operation (up to 85%)

•    Black-chrome finished enclosure

•    Modular FlexForce cables

•    (2) PCI-E cable/connectors for high-end graphic card support

•    Active PFC with universal AC input

•    Lifetime warranty (with registration)


The Ultra X3 comes securely packed inside a big black and gold box along with a large assortment of modular FlexForce cables, a power cord, mounting screws, and a printed User’s Manual. 


 

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 (at 40ºC), 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 Ultra X3 600W modular 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 ouputs)

•    (4) CSI3711A Programmable DC load (+12V1, +12V2, +12V3, and +12V4)

•    FLUKE 87-III True RMS digital multimeter (Accuracy ±0.05%)

•    Extech 380803 Power Analyzer (Accuracy ±0.5% of full scale)

•    Hitachi V-650F 60 MHz dual trace oscilloscope (Accuracy ±3%)

•    Powerstat Variable Autotransformer, 1.4 KVA, 0-140 VAC

•    FLUKE  52-II digital thermometer (Accuracy ±0.3ºC/0.5ºF)

•    Extech Model 407738 digital sound level meter (Accuracy ±1.5 dB)

•    AccuLab V1-10kg digital balance (Accuracy ±1g)

•    Custom Lian Li PC60 enclosure to simulate real-world operating conditions


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