Dell PowerEdge M610x - Manual (Page 18)

Dell
Dell PowerEdge M610x Technical Guide 13
acoustical performance in 23±2° C ambient: LwA-UL
3
= 8.2 bels and no prominent
tones
4
.
Table 4. Typical Configuration for Acoustical Performance Analysis
Chassis Description Quantity
Blade M610x 4
Slots populated 1, 2, 3, 4
Power supply 2360-W 6
Blanks 8
System Fans M1000e fan 9
Blade Internals Description Quantity
CPU Intel E5620 80W 2
DIMM 4 GB Dual Rank 12
Mezz Cards Dual port GbE FC 2
HDD SAS 2.5‖ 146 GB, 15 krpm 2
3
LwA – UL is the upper limit sound power level (LwA) calculated per section 4.4.2 of ISO 9296 (1988) and measured in
accordance to ISO 7779 (1999).
4
Prominent tone: Criteria of D.5 and D.8 of ECMA-74 9th ed. (2005) are followed to determine if discrete tones are prominent.
The system is placed in a rack with its bottom at 75 cm from the floor. The acoustical transducer is at front bystander position,
ref ISO7779 (1999) Section 8.6.2.