IBM Storwize V7000 - Page 189

Table 33. Power consumption examples per enclosure (continued)
Model and type Conguration Total power consumption
2076-92F
1 enclosure with 92 10 TB
nearline SAS drives
848 W
2076-92F
1 enclosure with 92 15 TB tier 1
flash drives
748 W
Each SAS expansion enclosure contains two PSUs for redundancy. The total power consumption values
represent the total power that is drawn by both PSUs.
Environmental requirements
System airflow is from the front to the rear of each enclosure:
• Airflow passes between drive carriers and through each enclosure.
• Airflow for the upper 4U of the 5U enclosure enters the front, passes between the disk drives, and exits
through the large fans in the rear of the enclosure.
• Airflow for the lower 1U of the 5U enclosure is driven through the power supplies via 40mm X 56mm
fans. Air continues through the chassis cooling the ESMs or controllers and exits the rear of the
enclosure.
Appendix D. SAS expansion enclosure requirements
159