• SAS to SAS/SATA-II RAID subsystem
• Redundant or single RAID controller
• EonPath® multi-pathing, load-balancing software
• 4 or 2 SAS 4x wide host ports
• Hardware RAID6 engine by dedicated ASIC400 chipsets
• Superior performance w/ uncomplicated connectivity
• 16 SAS or SATA-II (3Gbps) disk drives
• Expansion to 80TB via a 4x wide expansion port
  
• Corresponding JBODs: R1684 (dual-controller);
  R1674 (single-controller)
  
  See details about expansion enclosures:
  R1684 / R1674 (JBOD)

• Hardware RAID5 & RAID6
• Supports RAID 0, 1 (0+1), 3, 5, 6, 10, 30, 50, 60, NRAID, and JBOD
• 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

• High density, smartly managed 3U enclosure
• Dual redundant or single RAID controller
• One DIMM module with capacities from 512MB to 2GB
• Redundant, hot-swappable 530W power supply units
• Redundant, dual-speed cooling modules 
• Sixteen (16), hot-swappable drive trays
• Two (2) forearm handles
• Li-Ion battery backup unit (BBU), life expectancy and charge level aware

• 4 (S16S-R1030) or 2 (S16S-G1030) SAS wide ports
• 12Gbps bandwidth (half duplex) per port
• Concurrent I/O commands
• Tagged command queuing up to 1024
• Max. command queue up to 1024
• Fault-tolerant host links with the EonPath multi-pathing software
• Included cables:
  • R1654 - 2x SFF-8088-to-SFF-8470 120cm cables

• 16 3.0Gbps SAS/SATA-II, 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
• In-band enclosure service through the expansion links from expansion enclosures
• Path redundancy to disk drives via edge expanders and expanders on JBOD controllers through separate SAS domains
• MUX kits with port selectors for dual-controller access to SATA drives

• COM1 serial port for local access to firmware-embedded utility
• COM2 for UPS connection
• Automated cache flush and caching mode operation per enclosure status
• 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 for monitoring and access 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 detection & thermal sensors via I²C bus

Two (2) redundant, dual-fan cooling modules

• Package: 423(H) x 567(W) x 772(D) mm (16.7 x 22.3 x 30.4 inches)

• Net weight: 28.5kg (62.7 pounds)
• Gross weight: 30.5kg (67.1 pounds)