Setup Guide
Enclosure Management Modules (EMMs)
EMMs Two hot-swappable IO modules
Redundant Array of Independent Disks (RAID)
Controller Two hot-swappable storage controllers
Management RAID management using Dell Storage Manager
Back-Panel Connectors (per EMM)
SAS connectors Four mini-SAS HD connectors for connecting an expansion enclosure to a storage system.
NOTE: SAS connectors are SFF-8086/SFF-8088 compliant.
LED Indicators
Front panel
• One two-color LED indicator for system status
• One single-color LED indicator for power status
Hard-drive carrier
• One single-color activity LED
• One two-color LED status indicator per drive
Power supply/cooling fan Three LED status indicators for power supply status, power supply module status, and AC status
Power Supplies
AC power supply (per power supply)
Wattage 600 W
Voltage 100–240 VAC (8.6–4.3 A), autoranging, 50/60 Hz
Heat dissipation AC – 2047 BTU/hr
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
Physical
Height 8.7 cm (3.43 in.)
Width 48.2 cm (18.98 in.)
Depth
SC400: 59.4 cm (23.39 in.)
SC420: 54.1 cm (21.3 in.)
SC420F: 54.1 cm (21.3 in.)
Weight (maximum
conguration)
SC400: 28.59 kg (63.03 lb)
SC420: 24.2 kg (53.35 lb)
SC420F: 24.2 kg (53.35 lb)
Weight without drives
SC400: 9.0 kg (19.84 lb)
6