** Available in Q3 2010 53.3 PowerVault™ MD1200 and MD1220 Product Features SummaryTable 2. PowerVault™ MD1200 and MD1220 Features and DescriptionsFeature MD1200 MD1220Rack Height 2U 2UHost interface 6Gb/s SAS (SAS 2.0) 6Gb/s SAS (SAS 2.0)Number of Drive bays 12 – 3.5” 24 – 2.5”Expandability (daisy chain) 8 enclosures per PERC H800(4 enclosures per port) for atotal of 96 drivesRedundant Path: up to 4enclosures per PERC H800Daisy-chain not supportedwith Split mode8 enclosures per PERC H800(4 enclosures per port) for atotal of 192 drivesRedundant Path: up to 4enclosures per PERC H800Daisy-chain not supportedwith Split modeManageability In-Band via SES In-Band via SESBackplane Options Unified (default) or Split mode Unified (default) or Split modeDrive Support SAS HDD and SAS SSD** SAS HDD and SAS SSD**Host-RAID adapter PERC H800 PERC H800Cluster Support PERC H800: No PERC H800: NoRack or Stand alone Tower Rack Only Rack OnlyDrive Hot Plug support Yes YesHot Plug Fans/blowers Yes – Dual combinedfan/power supply moduleYes – Dual combinedfan/power supply moduleHot Plug Power supplies Yes – Dual combinedfan/power supply moduleYes – Dual combinedfan/power supply moduleSAF-TE, SES Support SES only SES onlyEnclosure ManagementconfigurationsDual Redundant – SBB 2.0compliantDual Redundant – SBB 2.0compliantPower Supply configurations RedundantAuto-SensingRedundantAuto-SensingFans/blowers Redundant RedundantChassis Dimensions Height 8.68 cm (3.41 inches)Width 44.63 cm (17.57 inches)Depth 60.20 cm (23.70 inches)Height 8.68 cm (3.41 inches)Width 44.63 cm (17.57 inches)Depth 54.90 cm (21.61 inches)Weight Weight (max config) 28.39 kg(62.6 lb)Weight (empty) 8.84 kg (19.5 lb)Weight (max config) 23.31 kg(51.4 lb)Weight (empty) 8.61 kg (19 lb)