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PC Power & Cooling Silencer 760W Power Supply Review

Manufacturer: PC Power & Cooling
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Introduction and Features

PC Power & Cooling's Silencer 760W delivers clean, stable power with excellent efficiency at an affordable price. However, don't let the name mislead you; this PSU isn't what many users would consider silent

.Introduction
                   
The Silencer 760W sits in the middle of PC Power & Cooling’s Silencer series of high performance power supplies.  It can deliver up to 760W of clean, reliable power with excellent efficiency for mission critical workstations and high-end gaming systems.  The Silencer 760W incorporates all hard-wired cables and comes with four PCI-E connectors, NVIDIA SLI certification, is backed by a 7-year warranty, and typically sells for $129 USD.


(Courtesy the OCZ Technology Group)

PC Power & Cooling has been in the business of building high-performance PC switching power supplies since 1986 and they have earned one of the best reputations in the industry for performance and reliability.  Today PC Power & Cooling offers several lines of high-quality power supplies ranging in capacity from 300W all the way up to 1200W.  The Turbo-Cool units are specifically designed for high-end applications where clean power and reliability are the top priorities while the Silencer series puts more emphasis on quiet operation and a lower price point.

Silencer 760W PSU Key Features:

•    760W continuous power output (836W peak) at 50°C
•    NVIDIA SLI Certified (up to 2 x GTX470)
•    Up to 90% (10dB) Less Noise per Watt
•    80mm Ultra-quiet fan
•    80+ Silver Certified (88% efficiency); .99 Active PFC
•    Powerful single +12V rail up to 62A (744W)
•    Rock solid, super clean DC outputs
•    4 x PCI-E and a complete array of connectors
•    Active PFC with Universal AC line input
•    Automatic fan speed control circuit
•    7-Year warranty and tech support 

Here is what PC Power & Cooling has to say about the Silencer 760W:

Our Silencer 760 power supply gives you legendary PC Power & Cooling performance and reliability along with a unique ultra-quiet cooling design, Quad PCI-Express connectors, classic black finish, and a price that seals the deal.

Packaging and Parts

The Silencer 760W arrived in retail box that highlights the unit's main features and specifications.  The 760 comes bundled with a power cord, mounting screws, PC Power & Cooling case badge, and Users Guide.

 

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 (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 Silencer 760W 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)
•    (2) 200W Precision resistor load bank (+12V5 and +12V6)
•    Switchable precision resistor load bank (-12V and +5VSB)
•    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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