RAID Controller

• Hardware RAID5 & RAID6 parity computation
• Supports RAID 0, 1 (0+1), 3, 5, 6, 10, 30, 50, 60, and NRAID
• RAID Migration
• Configurable stripe size and write policy per array
• Multiple Global, Dedicated, & Enclosure-specific hot-spares
• Intelligent Drive Handling:
• In degraded mode: skips irreparable blocks to continue rebuild
• In normal operation: data-block verification and repair

Host Interface

• Two (2) SAS 4x wide port
• 12Gb/s bandwidth via SFF-8470
• Concurrent I/O commands
• Tagged command queuing up to 256

Drive Interface

• Twelve (12) 3.0Gbps SAS, hot-swappable drive trays
• Accommodates 1-inch pitch, 3.5-inch SAS or SATA-II (3Gbps) disk drives
• S.M.A.R.T. and NCQ support
• Automatic bad-sector reassignment
• Dedicated bandwidth to each connected drive
• Proprietary enclosure service support through the expansion link

System Components

• Heavy duty (High desity) 2U enclosure
• Single RAID and I/O management controller module
• Fault-tolerant modules interfaced through a common backplane
• One (1) 512MB DDR DIMM module (default, supports up to 2GB in size)
• Redundant, hot-swappable 460W power supply units
• Redundant, dual-speed cooling modules
• Twelve (12), hot-swappable drive trays
• Two (2) forearm handles
• Optional Li-Ion battery backup unit (BBU), life expectancy and charge level aware

Management

• COM1 serial port for local access to firmware-embedded utility
• COM2 for UPS connection
• GUI, Telnet, and SSH system monitoring via Ethernet
• Browser-based or Java-based RAIDWatch manager software
• Firmware-embedded manager via RS-232C (audio jack) that is platform independent
• Widest range of event notification methods including email, LAN broadcast, fax, SNMP traps, SMS, and MSN
• LCD keypad panel to all configuration options
• Variable logical drive options per DIMM size
• Module status LED indicators:
  • Two (2) per drive tray
  • Seven (7) per controller module
  • One (1) per power supply unit
  • One (1) per BBU module
  • Two (2) per cooling module
  • Presence detect & thermal sensors via I ² C bus

Physical/Electrical

Interfaces

• Two (2) SAS 4x host ports each with 12Gb/s bandwidth
• One (1) SAS 4x Exp. port each with 12Gb/s bandwidth
• One (1) Fast Ethernet management port
• Two (2) serial COM ports (38400, n, 8, 1)

Power Supply Module

Two (2) redundant hot-swappable power supplies with PFC

Input	100VAC at 8A, 240VAC at 4A with PFC (auto-switching)
	50 to 60Hz
Output	(Maximum output: 460 Watts)
	+12.0V	24A max.
	+ 5.0V	36A max.
	+ 3.3V	32A max.

Cooling Module

Redundant dual-thermal-fan cooling modules

Maximum Air Flow	13 m3 /min (high speed); 0.9 m3 /min (low speed)

Environmental Specifications

Temperature:	Operating: 5° to 40°C (35°C if battery is applied) Non-operating: - 40° to 60°C (-40° F to 140° F)
Relative humidity:	5 to 95%, non-condensing
Altitude:	Operating: sea level to 12,000 ft Non-operating: sea level to 40,000 ft

Dimensions:

• Chassis without handles: 446(W) x 88(H) x 490(D) mm
• Chassis with handles: 482 (W) x 88(H) x 505(D) mm
• Package: 381H x567W x 772D mm

System weight (w/o drives):

• Net weight: 23.5kg
• Gross weight: 25kg