4 ATTO Technology Inc. ATTO ExpressSAS Host & RAID Adapter Installation and Operation Manual
ExpressSAS RAID Adapters
ATTO ExpressSAS RAID adapters are ideal for both IT
and digital video environments that require a high level
of protection and performance, supporting up to 256
end devices.
RAID improves data accessibility and reliability during
normal operations. A RAID group is a virtual,
independent single drive with data written to physical
drives according to a RAID algorithm.
DriveAssure™ lets you run longer, faster and
smoother without interrupting data flow while avoiding
the unnecessary cost of replacing functional drives.
The ATTO ExpressSAS RAID adapters support
JBOD, DVRAID™, RAID Level 0, 1, 4, 10, 5 and 6 and
advanced features such as read caching, Hot Spares,
automatic RAID group rebuilding, hot swap and
Simple Network Management Protocol (SNMP).
R644 technical specifications
• Four external & four internal ports
• Up to 6-Gb/sec per port performance
• Form factor conforms to PCI low-profile
specification
• Length: 6.600”
• Height: 2.713”
• Operating temperature: 0-40 °C (32 °F-104 °F)
• Operating humidity: 10 - 90% non-condensing
• Storage temperature: -40-70 °C (-40 °F-157 °F)
• Storage humidity: 5 - 95% non-condensing
• Power (typ): 12V @ 0.8A; 9.6W
• 12V @1.22A; 3.3V @ .06A, 15.05W
(NVCACHE charging), 12V @1.00A;
3.3V @ .06A, 12.34W (NVCACHE
charged)
• Airflow: 150 lf/m minimum
R680 technical specifications
• Eight external ports
• Up to 6-Gb/sec per port performance
• Form factor conforms to PCI low-profile
specification
• Length: 6.600”
• Height: 2.713”
• Operating temperature: 0-40 °C (32 °F-104 °F)
• Operating humidity: 10 - 90% non-condensing
• Storage temperature: -40-70 °C (-40 °F-157 °F)
• Storage humidity: 5 - 95% non-condensing
• Power (typ): 12V @ 0.8A; 9.6W
• 12V @1.22A; 3.3V @ .06A, 15.05W
(NVCACHE charging), 12V @1.00A;
3.3V @ .06A, 12.34W (NVCACHE
charged)
• Airflow: 150 lf/m minimum
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