Note: a new version of this product has been released: Areca ARC-1880ix-12

Areca high-performance PCI-Express bus to SATA RAID host adapters support 12, 16 and 24 SATA ll peripheral devices on a single host adapter. SATA RAID controller has the same RAID kernel of its field-proven external RAID controllers. Applications that benefit most features from these controllers including NAS, server RAID solutions, web server, supercomputing, near-line backup, security systems and streaming and streaming applications server.

The ML version comes with Mini SAS 4i internal connector. This Mini SAS 4i (SFF-8087) connector has eight signal pins to support four SATA drives and six pins for the SGPIO (Serial General Purpose Input/Output) side-band signals. The SGPIO bus is for efficient LED management and for sensing drive locate status, without any discrete fault & activity cable needed.

Specifications

Adapter Architecture

• Intel 800MHz 81341 I/O processor
• PCI-Express X8 bus
• One DIMM socket with default 256MB of DDR2-533 SDRAM with ECC protection, Upgrade to 2GB. An ECC or non-ECC SDRAM module using X8 or X16 chip organization
• Write-through or write-back cache support
• Support up to 12 SATA II drives
• Multi-adapter support for large storage requirements
• BIOS boot support for greater fault tolerance
• BIOS PnP (plug and play) and BBS (BIOS boot specification) support
• Intel RAID 6 Engine to support extreme performance RAID 6
• NVRAM for RAID event & transaction log
• Redundant flash image for adapter availability
• Battery Backup Module (BBM) ready
• RoHS Compliant
• PC and Mac compatible

RAID Features

• RAID level 0,1, 1E, 3, 5, 6 or JBOD
• Multiple RAID selection
• Array roaming
• Online RAID level/stripe size migration
• Online capacity expansion and RAID level migration simultaneously
• Online Volume set growth
• Instant availability and background initialization
• Automatic insertion/removal detection and rebuild
• Greater than 2TB per volume set
• Support S.M.A.R.T, NCQ and OOB Staggered Spin-up capable drives
• Support spin down drives when not in use to extend service life (MAID)

Monitors / Notification

• System status indication through HDD activity/fault connector, LCD Connector and alarm buzzer
• SMTP support email notification
• SNMP support for remote notification
• I2C& SGPIO Enclosure management ready

RAID Management

• Field-upgradeable firmware in flash ROM
  
  In-Band Manager
• Hot key boot-up McBIOS RAID manager via BIOS
• API library for customer to write its monitor utility
• Support Command Line Interface (CLI)
• Browser-based management utility via ArcHttp Proxy Server
• Single Admin Portal (SAP) monitor utility
  
  Out-of-Band Manager
• Firmware-embedded Browser-based RAID manager, SMTP manager, SNMP agent and Telnet function via oncontroller
• Ethernet port
• API library for customer to write its monitor utility
• Push Button and LCD display panel

Operating System

• Windows 2000/XP/Server 2003
• Linux (RedHat, SuSE, Debian, Mandrake,TurboLinux , CentOS, etc.)
• FreeBSD
• Novell Netware 6.5
• Solaris 10 x86/x86_64
• SCO UnixWare 7.x.x
• Mac OS X (not bootable)

Service and Support

• 3-Year Warranty

Comparison Chart

Model Name	ARC-1231ML	ARC-1261ML	ARC-1280ML
Host Bus Type	PCI-Express X8
RAID Processor	Intel IOP341
RAID 6 Support	YES	YES	YES
Cache Memory	One DDR2-533 DIMM (Default 256 MB / Upgrade to 2GB)
Ethernet Port	YES	YES	YES
Driver Support	12*SATA ll	16*SATA ll	24*SATA ll
Connector Type	3*SFF-8087	4*SFF-8087	6*SFF-8087

Reference

Areca 1231ML Brochure
Areca 1231ML Manual

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