HP BladeSystem Family - Critical Facilities Round Table

HP BladeSystem Family - Critical Facilities Round Table HP BladeSystem Family - Critical Facilities Round Table

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Fan Qty versus Power Power versus CFM 6 Fans 8 Fans 10 Fans Power CFM Acoustics 6 fans are 3.7 dB louder than 8 fans. For sounds with similar frequency content, most people consider a 3dB change in sound pressure a noticeable difference in sound. HP Confidential

Enclosure Management Enclosure inflow and outflow temperatures Rack-level BTU/hour Actual power usage Maximum power available HP Confidential

Fan Qty versus Power<br />

Power versus CFM<br />

6 Fans 8 Fans 10 Fans<br />

Power<br />

CFM<br />

Acoustics<br />

6 fans are 3.7 dB louder than 8 fans.<br />

For sounds with similar frequency content, most people consider a 3dB change in sound<br />

pressure a noticeable difference in sound.<br />

<strong>HP</strong> Confidential

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