Areca SAS2 DAS RAID box 8×SAS2, RAID(0,1,10,5,6,JBOD)

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Adapter Architecture
  800 MHz RAID-on-Chip for RAID core and SAS microcode
  512MB on-board DDR2-800 SDRAM with ECC protection
  NVRAM for RAID event log & transaction log
  Write-through or write-back cache support
  Redundant flash image for adapter availability
  Real time clock support
  Battery Backup Module ready (Option)
Model: ARC-6120BA-T012 or ARC-6120BA-T021
 
  RAID Features
  RAID level 0, 1, 1E, 3, 5, 6, 10, 30, 50, 60, Single Disk or JBOD
  Multiple RAID selection
  Online array roaming
  Offline RAID set
  Online RAID level/stripe size migration
  Online capacity expansion and RAID level migration ? simultaneously
  Online volume set growth
  Instant availability and background initialization
  Automatic drive insertion / removal detection and rebuilding
  Support global and dedicated hot spare
  Greater than 2TB per volume set (64-bit LBA support)
  Greater than 2TB per disk drive
  Disk scrubbing/ array verify scheduling for automatic repair of all configured RAID sets
  Login record in the event log with IP address and service (http, telnet and serial)
  Support intelligent power management to save energy and ? extend service life
  Support NTP protocol to synchronize RAID controller clock over the on-board LAN port
  Max 122 devices
  Max 128 LUNs (volume set) per controller
   
  Monitors/Notification
  Push Buttons and LCD Display Panel for setup and status
  Environment and drive failure indication through LCD, LED and alarm buzzer
  Keep silent and adequate air flow and cooling by intelligent cooling fan speed controller
  Subsystem management ready (SES-2)
 
  Drive Interface
  Up to 8 x 6Gb/s internal port
  Up to 122 devices using SAS expanders (one external SFF-8088 connector port1)
  Up to 6Gb/s per port
   
  Host Interface
  6Gb SAS-to-SAS
  One (port0) or two (port0 & port1) external SFF-8088 6Gb/s SAS ports-600MB/sec per PHY link
 
  RAID Management
  Field-upgradeable firmware in flash ROM
  Firmware-embedded manager via RS-232 port and LCD
  Firmware-embedded browser-based RAID manager, SMTP ? manager, SNMP agent and Telnet function via 1Gb/s LAN port
  API library for customer to write its own monitor utility
  SAP management feature to easily manage multiple RAID units in the network