Review: Atlas Succeeds With Power Demands - InformationWeek

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Review: Atlas Succeeds With Power Demands

In CRN's test, the Atlas-50GA didn't overheat at peak power consumption with either an Intel or an Advanced Micro Devices motherboard and with two different power configurations.

After several hours on two PC systems along with high power demands, the CRN Test Center concluded that ASUSTek's Atlas-50GA power supply unit produces a stable voltage supply and provides sufficient power to many high-end peripherals without a hitch.

In addition, the Atlas-50GA did not overheat at peak power consumption with either an Intel or an Advanced Micro Devices motherboard, and with two different power configurations. The AMD unit, for example, had a high-end graphics card and two extra hard drives. When engineers overclocked one of the CPUs, the Atlas-50GA still maintained a steady voltage supply.

The Atlas-50GA's operating noise produced acceptable levels when the unit's 12 cm cooling fan was operating. Because the power supply arrives with a noise-control circuit to regulate temperature, the Test Center found it generated little noise due to its automated fan speed control adjustments. Often, the fan operated at a low speed. In fact, over the entire testing duration, noise did not become a major factor for evaluation.

The Atlas-50GA produces two 12V rail output to power up peripherals and a processor.

The unit also has an EPS 8-pin connector. In addition, the Atlas-50GA comes with a 20+4-pin connector to satisfy Intel's 24-pin LGA775 and AMD's 20-pin K8 CPU configurations. The Atlas unit uses an active power factor correction to maintain a high efficiency load rate at its full input voltage range. According to ASUS, the Atlas-50GA can maintain 80 percent efficiency under typical loads.

The Atlas-50GA can power up to four Serial ATA drives, a 6-pin PCI Express motherboard and up to eight peripherals such as optical drives, hard drives and high-end graphics cards.

Two floppy drive connectors also are included for hard-drive installation.

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