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Areca ARC-8042 12-bay SAS-toSAS/SATA RAID system

The external Areca ARC-8042 is a fast SAS-to-SAS/SATA RAID system. It is equipped with twelve slots for SAS/SATA HDDs or SSDs.

Two miniSAS HD (SFF-8644) host ports with 4 x 12 Gbps per port are available. Two additional miniSAS HD (SFF-8644) expansion ports provides the possibility to connect additional JBODs. This allows to extend the system of up to 512 drives and split into a maximum of 128 volume sets per controller.

A 1.2 GHz dual core processor ensures a very good performance in the RAID network. The RAID system can also score points in audio/video applications.

Configuration changes can be easily made via the LCD, RS-232 or LAN port. This super silent design, optimizing balance between noise reduction and necessary cooling.


  • RAID level 0, 1, 10 (1E), 3, 5, 6, 30, 50, 60, single disk or JBOD
  • 12 x 3.5 LFF/2.5 SFF SAS/SATA HDDs/SSDs
  • 2 x miniSAS HD (SFF-8644) host ports
  • HDD firmware download
  • OS independent

Technical Specifications

Model Areca ARC-8042
Host-Interface 2 x miniSAS HD (SFF-8644) with 4 x 12 Gbps per port
JBOD Ports 2 x miniSAS HD (SFF-8644)
Controller CPU Dual core 1.2 GHz
Controller Flash-Image redundant
Cache-Memory 2 GB DDR3-1866 ECC
Battery Backup optional
Disk Interface SAS (12 Gbps)/SATA (6 Gbps)
Harddisk Drives up to 12 x 3.5 LFF SAS/SATA/SSDs, hot swappable
Expansion with JBODs up to 512 HDDs total
Power Supply 1 x 400 W
Front Panel LCD and Buttons easy access for configuration and status report
RS-232 Terminal Command Line Interface (CLI) for configuration and status report
Management Web browser-based RAID Management GUI for configuration and status report
Event Notification Build-in buzzer, LCD
Operating Systems
Supported OS OS independent
RAID-Level 0, 1, 10 (1E), 3, 5, 6, 30, 50, 60, single disk or JBOD
RAID Features Online RAID Capacity Expansion, Array Roaming, Online RAID Level / Stripe Size Migration, Global Online Spare, Automatic Drive Failure Detection, Automatic Failed Drive Rebuilding
Data Rebuild Automatic data regeneration
Environment Specification
Humidity 10 % ~ 80 %, non-condensing
Operating Temperature 0 °C ~ 40 °C
Dimension and Weight
Physical Dimensions/mm (Width x Height x Depth) 206 x 310 x 290, Tower
Weight (without drives) 9.5 kg
Warranty 3 years