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Taipei, Taiwan, Dec. 11, 2009.
ETASIS ELECTRONICS™, a leading technology owner of high efficiency switching power supplies,
officially announces EEFRP-S657 has been certified by 80 PLUS®, an innovative,
electric utility-funded incentive program used to integrate more energy-efficient power supplies into desktop computers and servers.
This power supply comes with fully compelling features providing extremely high efficiency for high performance rack-mount server.
90% High Efficiency
“We’ve reached 90% efficiency.” said Ricky Lin, R&D Director of ETASIS. “Comparing to traditional redundant power design,
EFRP-S657 saves 25% utility cost for customer and improve stability and heat dissipation.”

Figure 1 : How much utility cost can be saved by ETASIS EFRP-S657 Power?

Figure 2: Efficiency Curve
PMBus Enabled for Managed Server
The Power Management Bus (PMBus) is an open standard power-management protocol with a fully defined command language
that facilitates communication with power converters and other devices in a power system.
The protocol is implemented over the industry-standard SMBus serial interface and enables programming,
control, and real-time monitoring of compliant power conversion products.
EFRP-S657 supports PMBus 1.2, which is latest standard for advanced server/storage power system, which shall includes:
• Input Power Reading
• Input Voltage Reading
• Input Current Reading
• Output Power Reading
• Output Voltage Reading
• Output Current Reading
• FAN Speed Control
• LED Control
• Temperature Monitor
EFRP-S657 has embedded microprocessor and EEPROM transferring data to server controller via SMBus.
The server administrator or system integrator can develop administrative applications to
monitor and control power supply based on monitoring results.
The power supply is not a “black box” any more. It can be managed and controlled by system and improve system reliability.

Figure 3: An application is monitoring EFRP-S657 on server system. Courtesy of ETASIS Internal Information
Other Enhanced Features
The revolutionary product supports other features as below:
• Active PFC, PF>0.95
• Standard SSI ERP1U
• Ultra High Power Density, >17.78w/in³
• Noise level ≦ 55dB
• 0~50℃ Working Temperature
• Optional AC Power Cord Lock
About ETASIS
ETASIS is one of the leading suppliers of standard switching power supplies. Founded in October 1996,
ETASIS grew steadily, quickly acquiring a strong reputation for its high standards of quality and reliable products.
Our research & development, engineering and marketing teams ensure that we stay in the lead by making sure that
our products consistently meet and exceed the ever-changing needs of our customers.
All other product and company names herein may be trademarks of their registered owners.
Sales Contact:
Hermes Huang
hermeshuang@etasis.com.tw
TEL: 886-2-2999-4858 ext: 235
Media Contact:
Gilbert Lin
gilbert_lin@etasis.com.tw
TEL: 886-2-2999-4858 ext: 261
Web Site: www.etasis.com.tw |