Dell MD1220 24-Bay Storage Array
Drives : Up to twenty-four (24) 2.5-inch hot-pluggable SAS Hard Disk Drives (HDDs) at 7200, 10K, 15K rpm and SAS Solid State Drive (SSDs)
Drive Performance and Capacities : 2.5” SAS HDDs - 10,000 RPM 6Gb/s SAS drives available in 300GB and 600GB 2.5” SAS SSDs - 3Gb/s SSD available in 149GB
Maximum Capacity (per enclosure) : 12TB using twenty-four (24) 500GB 7200 RPM 6Gb/s SAS HDDs
Expansion Capabilities : PERC H800 enables expansion to 8 enclosures, 4 per port
Unified Mode : Unified mode (single path) for daisy chaining of up to 8 enclosures per PERC H800 (4 enclosures per port, single path) Unified mode (recommended redundant path) for daisy chaining up to 4 enclosures per PERC H800 (4 enclosures connected to both ports via redundant path cabling)
Split-Mode/Dual-Host Access : Split mode with dual Enclosure Management Modules providing direct connectivity to drives 0 though 11 and a separate connectivity to drives 12 through 23
Enclosure Management Modules (EMM) : 2 EMM provide redundant enclosure management capability
RAID Levels : 0, 1, 5, 6, 10, 50 and 60
Host Connectivity : 1 SAS (SFF 8088) IN connector for connection to the host
Expansion Connectivity : 1 SAS (SFF 8088) OUT connector for expansion to an additional enclosure
Service Management : 1 6-pin UART mini-DIN connector (for factory use only)
Wattage : 600 W
Host Heat Dissipation : 188 W
Input Voltage Range : 100-240 VAC, auto-sensing
Frequency Range : 50/60 Hz
Amperage : 8.6 A at 100 V, 4.3 A at 240 V
Supported Continuous Consumption : up to 1.2 A at +5V up to 0.5 A at +12V
Height x Width x Depth : 8.7cm (3.39 inches) x 48.2cm (18.8 inches) x 54.1cm (29.1 inches)
Weight : 23.31 kg (51 lb) (maximum configuration) 8.61 kg (19 lb) (empty)
Temperature : Operating: 10° to 35°C (50° to 95°F) with maximum temperature gradation of 10°C per hour Storage: -40° to 65°C (-40° to 149°F) with temperature gradation of 20°C per hour
Relative Humidity : Operating: 8% to 85% (non-condensing) with maximum humidity gradation of 10% per hour Storage: 5% to 95% (non-condensing)
Altitude : Operating: -16 to 3048 m (-50 to 10,000 ft) Storage: -16 to 10,600 m (-50 to 35,000 ft)



