provides external storage device support to enable tiered storage up to 16 PB XP 12000 OEM product from Hitachi Tagmastore USP 1100 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) up to 6 TiB cache up to 255 PB external storage XP8 Gen2 Notes External links HPE XP Storage XP