Areca ARC-1686-8I (8 Ports PCIe Gen 4.0 RAID Adapters)

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Areca ARC-1686-8I (8 Ports PCIe Gen 4.0 Cost-Effective RAID Adapter)

The new generation ARC-1686-8I/8X family offers advanced technology for increased performance and improved enterprise data protection. They were designed with 1.6 GHz dual core ROC processor and PCIe 4.0 interface for the most performance-hungry database and IT applications. Based on the ARM A15 PCIe 4.0 x8 to SAS/SATA/PCIe RAID on Chip (ROC) controller, the ARC-1686-8I/8X cost-effective tri-mode RAID adapters can offer both PCIe Gen 4.0 host and 12Gb/s SAS/SATA/PCIe (NVMe) tri-mode storage interfaces.


  • Tri-mode interface at each drive port - 12Gb/s SAS/SATA/ Gen 4.0 PCIe (NVMe)
  • x8 PCIe Gen 4.0 host interface
  • Hardware secure boot ready
  • SFF-9402 compliant connector pin-out
  • RAID levels 0, 1 (Simple/Multi Mirroring), 10, Single Disk (Single/Dual/Triple) or JBOD
Form Factor LP-MD2 : 64.41(H) x 167.65(L) mm
I/O Processor Tri-Mode Dual Core ARM A15 1.6GHz ROC
Drive Connector 1 x SFF-8654 [x8]  
Drive Support 12Gb/s SAS, 6Gb/s SATA, Gen 4.0 PCIe (NVMe)
Max Devices Support 32
Management Port In-Band: PCIe
Enclosure Ready SGPIO, SES2 and UBM
Operating Voltage 12V
Power Consumption Approximately 10.2 Watts
RAID Levels 0, 1 (Simple/Multi Mirroring), 10, Single Disk (Single/Dual/Tri ple) or JBOD
Software Package Same as ARC-1886 Tri-Mode RAID Adapter

RAID Features

  • RAID level 0, 1 (Simple/Multi Mirroring), 10, Single Disk (Single/Dual/Triple) or JBOD
  • Multiple RAID selection
  • Configurable stripe size up to 1MB
  • Support HDD firmware update
  • Online array roaming
  • Online RAID level/stripe size migration
  • Online capacity expansion and RAID level migration simultane ously
  • Online volume set growth
  • Instant availability and background initialization
  • Support global and dedicated hot spare
  • Automatic drive insertion/removal detection and rebuilding
  • Support for native 4K and 512 byte sector SAS and SATA devices
  • Support UNMAP command
  • S.M.A.R.T. support
  • Multiple pairs SSD/HDD disk clone function
  • SSD automatic monitor clone (AMC)
  • SED support for hardware encryption capable drives

Compatible Operating Systems

  • Microsoft Window
  • Red Hat Linux, Centos Linux, SUSE Linux, Fedora, Debian Linux, Ubuntu Linux
  • FreeBSD
  • XenServer
  • unRAID
  • macOS
  • VMware ESXi