a mixture of disk drives configured as RAID 1 (2D+2D and 4D+4D), RAID 5 (3D+1P and 7D+1P) and RAID 6 (6D+2P)
from 9 to 1152 disk drives for 576 GB to over 332 TB of internal capacity
virtualization technology provides external storage device support to enable tiered storage up to 32 PB
up to 128 GiB battery-protected (48 hours minimum), mirrored write cache
double the internal performance of the XP1024
XP 20000
a mixture of disk drives configured as RAID 1 (2D+2D and 4D+4D), RAID 5 (3D+1P, 7D+1P, 14D+2P and 28D+4P) and RAID 6 (6D+2P)
up to 240 disk drives for 177 TB of raw capacity
up to 64 GiB battery-protected (48 hours minimum), mirrored write cache
virtualization technology provides external storage device support to enable tiered storage up to 96 PB
XP 24000
A mixture of disk drives configured as RAID 1 (2D+2D and 4D+4D), RAID 5 (3D+1P, 7D+1P, 14D+2P and 28D+4P) and RAID 6 (6D+2P)
from 9 to 1152 disk drives for 2.26 PB Raw space. (Used at Cloud At Cost)
P9500
a mixture of Serial attached SCSI (SAS) and midline SAS disk drives configured as RAID 1 (2D+2D and 4D+4D), RAID 5 (3D+1P, 7D+1P, 14D+2P and 28D+4P) and RAID 6 (6D+2P)
from 5 – 2048 disk drives for 2 PB of raw capacity
up to 1 TiB flash-protected (backup will last indefinitely), mirrored write cache
No entry-level model any more – P9500 scales from small to large
Minimum configuration is a whole rack containing SFF SAS drive chassis, proprietary SSD drive chassis, SAN network controller, cache module, batteries, power supplies, fans, management server
Based on Hitachi VSP F710I
At some point models are the XP 20000, XP24000 and the P9500.
XP7
supports RAID 1, RAID 5 and RAID 6
supports up to 8PB raw capacity and up to 2304 disks (SFF, LFF, SSD, Flash-Modul SAS)
up to 2 TiB cache
up to 247 PB external storage
XP8
supports RAID 1, RAID 5 and RAID 6
supports up to 69PB raw capacity with several disk formats(SFF, LFF, SSD, Flash-Modul SAS, SCM, NVMe SFF)