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SC5020 and SC5020F Storage System Owner’s Manual

Technical Specifications

The following tables provide technical specifications for the SC5020 series storage systems.

SC5020: SAS hard drives

Up to 30 2.5-in. SAS hot-swappable HDDs (12 Gb SAS)


Up to 30 2.5-in. SAS hot-swappable SSDs (12 Gb SAS)

Storage Controllers
Storage controllers

Two hot-swappable storage controllers with one I/O card slot and one optional mezzanine card per storage controller.

Each storage controller has an internal battery backup unit. Write cache is mirrored between the two storage controllers. If a power failure occurs, the battery backup unit provides power to the storage controller so that the write cache can be saved to an SSD within the storage controller.

Storage Connectivity

SC5020: Supports a total of 222 drives and up to 192 drives on a single SAS chain. The SAS chain supports up to sixteen SC400 expansion enclosures, eight SC420 expansion enclosures, or three SC460 expansion enclosures.

SC5020F: Supports a total of 222 SSDs and up to 192 SSDs on a single SAS chain. The SAS chain supports up to eight SC420F expansion enclosures .

Redundant Array of Independent Disks (RAID)
Controller Two hot-swappable storage controllers
Management RAID management using the Dell Storage Manager
Back-Panel Ports Connectors (per Storage Controller)

Fibre Channel, iSCSI, or SAS front-end connectors

Connection to a Fiber Channel fabric, iSCSI network, or a direct connection to servers with SAS HBAs

Ethernet connectors MGMT – 1 Gbps or 10 Gbps embedded Ethernet port used for Storage Center management
SAS back-end connectors 12 Gb SAS ports for connections to expansion enclosures
  • NOTE: SAS connectors are SFF-8644 compliant.
Serial connector (micro USB) Used for initial configuration and support-only functions
LED Indicators
Front panel
  • One dual-color LED indicator for system status
  • One single-color LED indicator for power status
  • Identification button with a single-color LED
Hard drive carrier
  • One single-color activity LED
  • One dual-color LED status indicator per drive
Storage controller
  • Two single-color LEDs per Ethernet port indicating activity and link speed
  • One dual-color LED per SAS connector indicating port activity and status
  • One single-color LED indicating status
  • One single-color LED indicating system faults
  • One single-color LED for system identification
Power supply/cooling fan One dual-color LED handle indicating power supply and cooling fan status
Power Supply Units (PSU)
AC power supply (per power supply) PSU Type 1 PSU Type 2 (Japan Only) PSU Type 3
Maximum output power 1485 W 1485 W 1378 W
Maximum input power 1688 W 1707 W 1584 W
Maximum input current 8.8 A 17.5 A 16 A
Maximum inrush current 55 A for 10 ms or less 55 A for 10 ms or less 55 A for 10 ms or less
Nominal input voltage operating range 200–240 VAC 100–240 VAC 100–240 VAC
Nominal input frequency 50/60 Hz 50/60 Hz 50/60 Hz
Thermal output/heat dissipation 693 BTU per hour 757 BTU per hour 703 BTU per hour
Inlet Type C14 C20 C20
Available Hard Drive Power (Per Slot)
Supported hard drive power consumption (continuous) Up to 1.2 A at +5 V

Up to 0.5 A at +12 V

Height 13.34 cm (5.25 in.)
Width 44.50 cm (17.5 in.)
Depth 78.27 cm (31 in.)
Approximate weight (maximum configuration) 43 kg (95 lb)
Approximate weight without drives 32.5 kg (72 lb)
For additional information about environmental measurements for specific storage system configurations, see
Operating 10°C (50°F) to 35°C (95°F) with a maximum temperature gradation of 20°C/hour (36°F/hour)

Operating above 35°C could result in data loss

Storage –40° to 65°C (–40° to 149°F) at a maximum altitude of 12,000 m (39,370 ft)
Relative humidity
Operating 10% to 80% (noncondensing) with 29°C (84.2°F) maximum dew point
Storage 5% to 95% (noncondensing) with 33°C (91°F) maximum dew point
Maximum vibration
Operating 0.26 G rms at 5–350 Hz for 15 min
Storage 1.88 G rms at 10–500 Hz for 15 min
Maximum shock
Operating 31 G +/- 5% with pulse duration of 2.6 ms +/- 10% (equivalent to 20 in./sec [51 cm/sec])
Storage 71 G +/- 5% with pulse duration of 2 ms +/- 10% (equivalent to 35 in./sec [89 cm/sec])
Operating 3,048 m (10,000 ft)

≤35°C (95°F) Maximum Rating – Maximum temperature is reduced by 1°C/300 m (1°F/547 ft) above 950 m (3,117 ft)

Storage 12,000 m (39,370 ft)
Airborne Contaminant Level
Class G1 or lower as defined by ISA-S71.04-1985

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