Drive chassis
The drive chassis (factory designation DKU) consists of SAS switches, slots for 2 1/2 inch HDD
or SSD drives, and four 4 fan door assemblies that can be easily opened to allow access to the
drives. Each drive chassis can hold 128 2 1/2 inch HDD or SSD drives. The maximum number
of 2 1/2 inch drives in a P9500 system is 2048.
Figure 3 Disk Unit
Specifications
The following tables provide general specifications of the P9500.
Table 1 P9500 specifications
Dual ModuleSingle ModuleSizeItem
589 TB294 TBInternalMaximum Capacity (based
on 900GB HDDs)
247 PB247 PBExternal
64k64k-Maximum number of
volumes
See Table 2 (page 9).Supported drives
Min 128 GBMin 64 GB.Cache memory capacity
Max 1024 GBMax 512 GB
Min 64 GB.Cache flash memory
capacity
Max 1028 GB
RAID1, RAID5, RAID6.RAID Level
8 Introduction