Dell
27
PowerEdge R515 Technical Guide
Table 6. Acoustical Performance (8 HDD Chassis)
Typical Configuration @ 23 ± 2 °C
2 x AMD
4180
6 core
2.6GHz
6 x 3.5”
1TB SATA
7,200 rpm
Max. Configuration @ 23 ± 2 °C
2 x AMD
4180
6 core
2.8GHz
8 x 3.5”
600GB SAS
15,000 rpm
Table 7. Acoustical Performance (12 HDD Chassis)
Typical Configuration @ 23 ± 2 °C
2 x AMD
4180
6 core
2.6GHz
8 x 3.5”
2TB SATA
7,200 rpm
Max. Configuration @ 23 ± 2 °C
2 x AMD 4180
6 core
2.8GHz
12 x 3.5”
600GB SAS
15,000 rpm +
2 x SSD 50GB
SATA
Definitions
Typical configuration: The system is populated with projected average quantity, type, capacity, speed, etc.,
of components.
Idle: Reference ISO7779 (1999) definition 3.1.7; system is running in its OS but no other specific activity.
Stressed Processor: An operating mode per ISO7779 (1999) definition 3.1.6. The software SPECPower_ssj2008
is utilized to stress the processors. SPECPower is set to 50% loading.
LwA – UL: 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).
LpA: Average bystander A-Weighted sound pressure level. The system is placed in a rack with its bottom at
25 cm from the floor. The acoustic transducers are at the four bystander positions, ref ISO7779 (1999)
Section 8.6.2.
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 acoustic
transducer is at front bystander position, ref ISO7779 (1999) Section 8.6.2.
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