Hitachi Adaptable Modular Storage 2000
Hitachi Adaptable Modular Storage Physical Characteristics

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AMS 2100
AMS 2300
AMS 2500
AMS 2500DC
Raw capacity
SATA - 469TB SAS - 78TB
SATA - 708TB SAS - 138TB
SATA - 1,417TB SAS - 276TB
SATA - 472TB SAS - 210TB
Internal disk drives (min-max)
SAS 146GB (15K RPM) 300GB (10K RPM) 300GB (15K RPM) 400GB (10K RPM) 450GB (15K RPM) 600GB (10K RPM) 600GB (15K RPM) 600GB (15K RPM, self-encrypting) 2TB (7200 RPM) SATA II 500GB (7200 RPM) 1TB (7200 RPM) 2TB (7200 RPM) 3TB (7200 RPM) Internal flash drives 200GB (SAS)
SAS 146GB (15K RPM) 300GB (10K RPM) 300GB (15K RPM) 400GB (10K RPM) 450GB (15K RPM) 600GB (10K RPM) 600GB (15K RPM) 600GB (15K RPM, self-encrypting) 2TB (7200 RPM) SATA II 500GB (7200 RPM) 1TB (7200 RPM) 2TB (7200 RPM) 3TB (7200 RPM) Internal flash drives 200GB (SAS)
SAS 146GB (15K RPM) 300GB (10K RPM) 300GB (15K RPM) 400GB (10K RPM) 450GB (15K RPM) 600GB (10K RPM) 600GB (15K RPM) 600GB (15K RPM, self-encrypting) 2TB (7200 RPM) SATA II 500GB (7200 RPM) 1TB (7200 RPM) 2TB (7200 RPM) 3TB (7200 RPM) Internal flash drives 200GB (SAS)
SAS 300GB (15K RPM) 450GB (15K RPM) SATA II 1TB (7200 RPM)
Internal disk drives (min-max)
Min-Max # of drives SAS: 4-136 SATA: 4-159 Internal Flash drives: 0-30
Min-Max # of drives SAS & SATA: 4-240 Internal Flash drives: 0-30
Min-Max # of drives SAS & SATA: 4-480 Internal Flash drives: 0-60
Min-Max # of drives SAS & SATA: 4-480 Internal Flash drives: 30
Host interfaces
Fibre Channel: 8Gbit/s iSCSI: GigE, 10GbE
Fibre Channel: 8Gbit/s iSCSI: GigE, 10GbE
Fibre Channel: 8Gbit/s iSCSI: GigE, 10GbE
Fibre Channel: 4Gbit/s iSCSI: GigE, 10GbE
Host connection options
Fibre Channel: 4 Fibre Channel: 8 Fibre Channel: 4 and iSCSI: 4
Fibre Channel: 4 Fibre Channel: 8 Fibre Channel: 8 and iSCSI: 4
Fibre Channel: 16 iSCSI: 8 Fibre Channel: 8 and iSCSI: 4
Fibre Channel: 16 iSCSI: 8 Fibre Channel: 8 and iSCSI: 4
Maximum attached hosts through virtual ports
1024
2048
2048
2048
SAS links
16
16
32
32
LUNs
Max size: 60TB
Max size: 60TB
Max size: 60TB
Max size: 60TB
LUNs
Max #: 2048
Max #: 4096
Max #: 4096
Max #: 4096
RAID Support
RAID-0 (SAS drives only) RAID-1 RAID-1+0 RAID-5 RAID-6
RAID-0 (SAS drives only) RAID-1 RAID-1+0 RAID-5 RAID-6
RAID-0 (SAS drives only) RAID-1 RAID-1+0 RAID-5 RAID-6
RAID-0 (SAS drives only) RAID-1 RAID-1+0 RAID-5 RAID-6
RAID Support
Max RAID groups: 50
Max RAID groups: 75
Max RAID groups: 100
Max RAID groups: 100
Availability
Nondisruptive replacement of major FRU components Nondisruptive hot-pluggable disks Nondisruptive microcode updates Hi-Track Remote Monitoring system
Nondisruptive replacement of major FRU components Nondisruptive hot-pluggable disks Nondisruptive microcode updates Hi-Track Remote Monitoring system
Nondisruptive replacement of major FRU components Nondisruptive hot-pluggable disks Nondisruptive microcode updates Hi-Track Remote Monitoring system
Nondisruptive replacement of major FRU components Nondisruptive hot-pluggable disks Nondisruptive microcode updates Hi-Track Remote Monitoring system
Performance
Controller cache: 4GB–8GB (per system)
Controller cache: 8GB–16GB (per system)
Controller cache: 16GB–32GB (per system)
Controller cache: 16GB–32GB (per system)
Performance
Cache binding: Hitachi Cache Residency Manager feature Logical partitioning: Hitachi Cache Partition Manager feature
Cache binding: Hitachi Cache Residency Manager feature Logical partitioning: Hitachi Cache Partition Manager feature
Cache binding: Hitachi Cache Residency Manager feature Logical partitioning: Hitachi Cache Partition Manager feature
Cache binding: Hitachi Cache Residency Manager feature Logical partitioning: Hitachi Cache Partition Manager feature

Question: What is the capacity of The AMS 2500?
Answer: The AMS 2500 has a capacity of 1,417TB with 2048 virtual server ports.