Seagate Constellation 500GB SAS 64MB Cache 7200RPM 2.5inch Server Hard Drive Model Number: ST9500620SS

Seagate Constellation 500GB SAS 64MB Cache 7200RPM 2.5inch Server Hard Drive

The Constellation 7200 hard drive enables secure, manageable nearline storage solutions in 2.5" chassis - either direct attach or in a tiered storage environment - at the lowest power usage without compromising performance or reliability. Constellation 500GB SAS drives with self-encrypting drive technology deliver cost-effective, secure enterprise-class storage for nearline applications.

Specifications

• Interface 6-Gb/s SAS
• Cache 64MB
• Capacity 500GB
• Areal density (avg) 417Gb/in^2
• Guaranteed Sectors 976,773,168
• Spin Speed (RPM) 7200 RPM
• Sustained data transfer rate 115MB/s
• Average latency 4.16ms
• Random read seek time 7.5ms
• Random write seek time 8.5ms
• I/O data transfer rate 600MB/s
• Unrecoverable read errors 1 in 10^15
• MTBF 1,400,000 hours
• Annual Failure Rate 0.62%
• 12V start max current 0.78A
• 5V start max current 0.72A
• Average idle power 3.19W
• Average operating power 5.48W
• Operating 5°–60°C
• Nonoperating -40°–70°C
• Maximum operating temperature change 20°C per hour
• Maximum nonoperating temperature change 20°C per hour
• Operating Shock (max) 25 Gs for 2ms
• Nonoperating Shock (max) 400 Gs for 2ms
• Acoustics (Idle Volume) 2.2 bels
• Dimensions Height 15.00mm, Width 70.10mm, Length 100.45mm
• Weight 183g

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