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3Gb/s SAS/SATA
:: Hardware-accelerated RAID 6 maximum data protection
:: Supports RAID levels 0, 1, 1E, 5, 6, 10, 50, 60
:: PerfectRAID™ technology for robust error handling and recovery
:: Automatic/manual rebuild of dedicated and global hot spare drive
:: Online capacity expansion and RAID level migration to add capacity as needed
:: Optional 72 hour battery backup module
:: Linux Open Source driver support
:: Multiple logical drive support
:: Intel IOP348 Dual XScale I/O processor
:: PCI Express x8 Host Bus Interface
Model
STEX4650
STEX8650
Features
Controller Configuration
• Four internal SAS/SATA ports at 3Gb/s
— One SAS SFF-8087 connector
• 667MHz Intel 81348 XScale I/O processor
• Onboard 128MB ECC DDR II memory
• Eight internal SAS/SATA ports at 3Gb/s
— Two SAS SFF-8087 connectors
• 800MHz Intel 81348 XScale I/O processor
• Onboard 256MB ECC DDR II memory
Hardware
Features
• PCI-Express x8 host bus interface
• Hardware XOR engine to offload parity calculation
• Hardware RAID 6 accelerator
• Low-profile MD2 form factor
• Optional on-board battery backup unit for data retention up to 72 hours
Supported RAID Levels
• RAID 0 – Data striped across 1-16 drives for increased performance, but no data protection
• RAID 1 – Mirrored pair of drives for data protection with increased read performance
• RAID 1E – Data mirroring extended to maximize balanced performance. Allows odd number drive mirroring
• RAID 5 – Striped parity on 3-16 drives, ultimate data protection, capacity and performance balance
• RAID 6 – Double parity for maximum data protection on 4-16 drives; allows double drive failures
without downtime or data loss
• RAID 10 – Mirrored pair of RAID 0 for double drive failure protection; can be split into two RAID 0 sets
• RAID 50 – Striped multiple RAID 5 sets to improve performance and provide additional data protection
• RAID 60 – Striped multiple RAID 6 sets to allow multiple drive failures to achieve high-data availability
RAID Fault Tolerance and Robustness Features
• Multiple logical drive support enables combining different RAID levels on one set of disks
• Read Check table to avoid data read errors
• PerfectRAID™ technology for error handling and recovery of fatal, media and disk errors
• Support hot swap of failed drives and hot spares
• Automatic/Manual rebuild of hot spare drive
• Background initialization for instant drive availability
• Supports bad sector remapping
• Variable stripe block size support to meet various application requirements
• Synchronization can be scheduled periodically for RAID data consistency
Web-based Promise Array Manager
• Creates, deletes, expands, and converts disk arrays remotely
• Media Patrol and Redundancy Check scheduling
• Monitors drive, array, and enclosure status and provides online event logging
• Email notification of drive, array, controller or enclosure events
(e.g. error or degrade conditions)
• Remote management based on industry standard CIM/WBEM
• Interface displays in 10 languages
• CLI support
• Remote firmware update
Operating System Support
• Microsoft Windows Vista, 2000, XP, Windows Server 2003
• Red Hat Linux, SuSE Linux, Miracle Linux, Fedora Core, Linux open source driver (32/64-bit)
• FreeBSD, VMware 3.0.1/3.0.2
Platform Support
• Intel IA32, EM64T, and AMD64
SuperBuild™ BIOS
• Array configuration utility at the BIOS level
• BIOS Boot specification support: boot system from any array
• Flash-upgradeable BIOS for future upgrades
Enclosure Management
• SES-2
• SGPIO
• I2C
Cable in Kit
STEX4650
One 0.5-meter multi-lane cable
(SFF-8087 to SFF-8087)
STEX8650
Two 0.5-meter multi-lane cables
(SFF-8087 to SFF-8087)
Operating Temperature
0 to 50°C (40°C w/ BBU)
Relative humidity: 5%-95% non-condensing
Physical Dimensions
16.7 cm x 6.8 cm (6.6” x 2.7”)
Agency Certifications
UL, cUL, CE, FCC Class B, BSMI, VCCI,