8-port PCIe SAS Controller - Full Hieght / 512MB Cache (Upgradable to 2GB)
1x - External MiniSAS (SFF-8088) and 2x - Internal

ARC-1680 series/ARC-1681 (8 port PCIe/PCI-X to SAS RAID Adpater)

Areca high-performance PCIe/PCI-X to SAS RAID host adapter can provide up to (128) SAS/SATA ll peripheral devices using SAS expanders. The adapters are based on the same RAID kernel of field-proven external RAID controller. Applications that benefit most features from these controllers include NAS, server RAID solutions, web servers, supercomputing, near-line backup, security systems and streaming applications.

System Architecture
		Intel 800 MHz IOP348 I/O processor with SAS controller
		PCI-X 64bit/133MHz or PCI-Express x8 bus
		PCIe x8 Link host interface
		One 240-pin DDR2-533 DIMM socket with default 512MB of SDRAM with ECC protection, upgrade to 2GB(ARC-1680/1681)
		256MB on-board DDR2-533 SDRAM with ECC protection for low profile board (ARC-1680LP/1680i/1680x)
		Write-through or write-back cache support
		Support up to 8 SAS ports
		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 engine support extreme performance RAID 6 function
		NVRAM for RAID configuration & transaction log
		Redundant flash image for adapter availability
		Battery Backup Module (BBM) ready ARC-6120BA-T1xx, xx means version no.
		RoHS Compliant
	RAID Features
		RAID level 0, 1,1E, 3, 5, 6, 10, 30, 50, 60 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 drive insertion / removal detection and rebuilding
		Greater than 2TB per volume set (64-bit LBA support)
		Disk Scrubbing/ Array verify scheduling for automatic repair of all configured raid sets
		Support spin down drives when not in use to extend service life (MAID)
		Support NTP protocol synchronize RAID controller clock over the on board Ethernet port
	Disk Bus Interface
		Automatic detect eight internal ports or four internal & four external ports (ARC-1680/1681)
		Up to (128) SAS or 3Gb/s SATA II drives using SAS expanders
		Up to 3Gb/s per port
	Host Connectivity
		PCIe x8 lane width host interface
		PCI-X 64bit/133MHz
	Monitors/Indicators
		System status indication through Global HDD activity/fault connector, Individual fault connector, LCD/I2C connector and alarm buzzer
		SMTP support for email notification
		SNMP support for remote Manager
		Enclosure management (SES2 and SGPIO) ready
	RAID Management
		Field-upgradeable firmware in flash ROM
		In-Band Manager
		Hot key "boot-up" McBIOS RAID manager via BIOS
		Web browser-based McRAID Storage manager via Http Proxy Server for all operating systems
		Support Command Line Interface (CLI)
		API library for customer to write monitor utility
		Single Admin Portal (SAP) monitor utility
		Disk Stress Test (DST) utility for production
		Out-of-Band Manager
		Firmware-embedded Web browser-based McRAID Storage manager, SMTP manager and SNMP agent and Telnet function via Ethernet port
		API library for customer to write monitor utility
		Support Push Button and LCD display panel
	Operating System
		Windows 2000/XP/Server 2003
		Linux
		FreeBSD
		Novell Netware 6.5
		Solaris 10x86/x86_64
		SCO Unixware 7.x.x
		Mac OS x(no_bootable)
	Environmental/Physical
	Mechanical
	Dimension: ARC-1680/1681: 98.4(H) x 217(L) mm ARC-1680LP/1680i/1680x: 62(H)x168(L) mm
	Environmental Specifications
	Operating: Temperature:+5?/span>c to +50?/span>c Humidity: 15-80% non-condensing Storage Temperature: Temperature:-40?/span>c to 70?/span>c Humidity: 5-90% non-condensing
	Electrical
	Power Requirements: 1.10W max. +3.3V 10.92W max. +12V