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Storage processor internal components
Included within the SP are the following replaceable components:
Memory modules
Battery backup unit (BBU)
SSD internal disk
Cooling modules (5)
Memory modules
Four memory module slots reside on the SP printed circuit board (motherboard) within the SP. Depending on the model, three or four of these DIMM slots will be populated with 8 GB, 16 GB, or 32 GB DIMMs. DIMMs used in Unity systems support error-correcting code (ECC) memory.
Batter backup unit (BBU)
The SP includes a Lithium-ion (Li-ion) internal battery or BBU that powers the associated SP module during a power event.
SSD internal disk
Each SP has an internal disk on at top side of the SP motherboard and is located adjacent to cooling module 4.
Cooling modules
Five redundant cooling modules connect to the motherboard within the SP to provide continuous airflow through the front disks and through the rear SP to keep the DPE components at optimal operating temperatures. Within each SP assembly are two adaptive cooling zones managed by the five internal cooling modules. Cooling modules 0-2 direct airflow through zone 1 and cooling modules 3 and 4 direct airflow though zone 2.
NOTE:An SP will perform a protective thermal shutdown if two cooling modules fault within the same SP.
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