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ExpressSAS Host Adapters
ATTO ExpressSAS Host Adapters are engineered for
the most stringent IT server and digital media
workgroup environments and are compatible with
multiple operating systems, applications, and drives.
Providing SAS/SATA II connectivity to up to 1,024 end
devices (H6F0GT supports up to 2,048 end devices),
the ATTO SAS Host Adapter is ideal for both IT and
digital video environments that require a high level of
performance.
H644 technical specifications
• Four internal, four 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: 5 - 95% non-condensing
• Storage temperature: -40-70 °C (-40 °F-157 °F)
• Storage humidity: 5 - 95% non-condensing
• Power (typ): 12V @ 0.6A; 3.3V @ 0.2A, 8W
• Airflow: 100 lf/m minimum
2 ATTO Technology Inc. ATTO ExpressSAS Host & RAID Adapter Installation and Operation Manual
H680 technical specifications
• Eight external ports
• Up to 6-Gb/sec per port performance
• Length: 6.600"
• Height: 2.846"
• Operating temperature: 0-40 °C (32 °F-104 °F)
• Operating humidity: 5 - 95% non-condensing
• Storage temperature: -40-70 °C (-40 °F-157 °F)
• Storage humidity: 5 - 95% non-condensing
• Power (typ): 12V @ 0.6A; 3.3V @ 0.2A, 8W
• Airflow: 100 lf/m minimum
H608 technical specifications
• Eight internal ports
• Up to 6-Gb/sec per port performance
• Form factor conforms to PCI low-profile
specification
• Length: 5.600"
• Height: 2.713"
• Operating temperature: 0-40 °C (32 °F-104 °F)
• Operating humidity: 5 - 95% non-condensing
• Storage temperature: -40-70 °C (-40 °F-157 °F)
• Storage humidity: 5 - 95% non-condensing
• Power (typ): 12V @ 0.6A; 3.3V @ 0.2A, 8W
• Airflow: 100 lf/m minimum
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