scale up to 480 disks and 960 TB raw internal capacity. Hardware details: Chassis: 2U rack-mountable Six available enclosure models: Type 2078-12C = Control enclosure – up to 12 3.5" drives Type 2078-24C = Control enclosure – up to 24 2.5" drives Type 2078-212 = Expansion enclosure – up to 12 3.5" drives Type 2078-224 = Expansion enclosure – up to 24 2.5" drives Type 2078-12C = Control enclosure – up to 12 3.5" drives + 10Gb iSCSI Type 2078-24C = Control enclosure – up to 24 2.5" drives + 10Gb iSCSI Cache: 16 GiB per control enclosure (8 GiB per internal controller) as a base Storage: Up to 48 TB per enclosure using 4 TB near-line SAS disk drives, or up to 28.8 TB per enclosure using 1.2 TB 10K SAS disk drives Redundant dual-active intelligent controllers Connection: For each control enclosure: Eight 8 Gbit/s Fibre Channel ports (four 8 Gbit/s FC ports per controller), four 1 Gbit/s iSCSI and optionally four 10 Gbit/s iSCSI/FCoE host ports (two 1 Gbit/s iSCSI and optionally two 10 Gbit/s iSCSI/FCoE ports per controller) Control enclosures support attachment of up to six expansion enclosures Power: Dual power supplies and cooling components Storwize V3700 family Storwize V3700 Storwize V3700 consists of one control enclosure and up to 4 expansion enclosures. It can scale up to 240 2.5" disks or 120 3.5" disks and 480TB raw internal capacity. Hardware details: Chassis: 2U rack-mountable Four available enclosure models: 2072-12C - Dual Control Enclosure – up to 12 3.5" drives 2072-12E - Expansion Enclosure – up to 12 3.5" drives 2072-24C - Dual Control Enclosure – up to 24 2.5" drives 2072-24E - Expansion Enclosure up to 24 2.5" drives Cache: 8 GiB per control enclosure (4 GiB per internal controller) as a base, up to 16 GiB (8 GiB per internal controller) Connection: Control enclosure networking: 4 x 1 Gb iSCSI and 6 x 6 Gbit/s SAS host interfaces with optional 8 Gbit/s Fibre Channel, further 6 Gbit/s SAS or 10 Gb iSCSI/Fibre Channel over Ethernet host ports Storage: Dual-port, hot-swappable 6 Gb SAS disk drives - Up to 240 2.5" disks or 120 3.5" disks (with 9 expansion units) Power: Redundant, hot-swappable power supplies and fans, AC power (110 – 240 V) in October 2013, IBM announced DC powered models, NEBS and ETSI compliance and remote mirror over IP networks, integrating Bridgeworks SANrockIT technology to