Introduction and Features

The CP-1000 features a straight-through airflow path design that provides excellent cooling with very little noise, but the unique CPX form factor is currently only compatible with a few Antec cases.
Antec CP-1000 Power Supply Review - The CPX Form Factor - Cases and Cooling 36

Antec is a well known name among PC enthusiasts and their line of PC power supplies, enclosures, and PC accessories is one of the most complete in the industry.  Antec’s unique CP series includes two power supply units, the CP-850 and the CP-1000 that we have in for review.  The CP series power supplies feature a unique form factor (CPX) that is larger than the standard ATX PSU.  The added space allows for more room between components, a better circuit board layout and straight-thru airflow, which all provide for more efficient cooling.  The CP series PSUs use a single 120mm fan on the front to push air through the unit and they come with a combination of fixed and modular cables.

Antec CP-1000 Power Supply Review - The CPX Form Factor - Cases and Cooling 37

Here is what Antec has to say about their CP-1000 power supply:

“The CP-1000 features a unique design with an advanced cooling system, exclusively compatible with some of Antec’s most cutting-edge Gaming and Performance One enclosures, including the Twelve Hundred, P183 and P193.  By breaking the mold of standard power supply size restrictions, the CP-1000 design is able to provide an excellent price-to-performance ratio.  A silent rear 120mm PWM fan and dual PCB layout also ensure optimal cooling performance and reliability.”

Antec CP-1000 Power Supply Review - The CPX Form Factor - Cases and Cooling 38
(Antec Twelve Hundred, P183 and P193 cases)

The CP-850 and CP-1000 power supply units are currently compatible with the Antec Twelve Hundred, P183 and P193 cases.

Antec CP-1000 PSU Key Features:

•    1,000W Continuous output at up to 50°C
•    Unique CPX form factor is compatible with several new Antec cases
•    NVIDIA SLI-ready certified
•    80 Plus certified
•    ATX12V version 2.3 and EPS version 2.91 compliant
•    Dual PCB layout optimizes cooling efficiency
•    Heavy duty components
•    120mm Cooling fan uses PWM for quiet operation
•    Universal AC Input with Active PFC
•    Industrial grade protection circuits prevent damage: SCP, OVP, OCP
•    Safety approvals: UL, FCC, TUV, CE, CCC, C-Tick, CB
•    AQ5 – Antec Quality 5-Year parts and labor warranty
•    Excellent price-to-performance ratio

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

Antec CP-1000 Power Supply Review - The CPX Form Factor - Cases and Cooling 39

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