SEAGATE Constellation ES.3 7200 RPM
Features
Humdity Sensor Yes Yes Yes Yes
Super Parity Yes Yes Yes Yes
Low Halogen Yes Yes Yes Yes
PowerChoice™ Technology Yes Yes Yes Yes
Cache, Multi-segmented (MB) 128 128 128 128
Reliability/Data Integrity
Mean Time Between Failures (MTBF, hours) 2.0 million 2.0 million 2.0 million 2.0 million
Reliability Rating at Full 24×7 Operation (AFR) 0.44% 0.44% 0.44% 0.44%
Non-recoverable Read Errors per Bits Read 1 sector per 1015 1 sector per 1015 1 sector per 1015 1 sector per 1015
Power-On Hours per Year 8,760 (24×7) 8,760 (24×7) 8,760 (24×7) 8,760 (24×7)
Bytes per Sector 512 Native 512 Native 512 Native 512 Native
Limited Warranty (years)4 5 5 5 5
Performance
Spindle Speed (RPM) 7,200 7,200 7,200 7,200
Max. Sustained Transfer Rate OD (MB/s) 175 175 175 175
Average Latency (ms) 4.16 4.16 4.16 4.16
Interface Ports Single Single Single Single
Rotational Vibration @ 1,500 Hz(rad/s²) 12.5 12.5 12.5 12.5
Power Consumption
Idling Power (W) 6.73 6.73 5.17 4.45
Typical Operating, Random Read (W) 11.27 11.27 9.42 8.08
Power Supply Requirements +12V and +5V +12V and +5V +12V and +5V +12V and +5V
Environmental
Temperature, Operating (°C) 5 to 60 5 to 60 5 to 60 5 to 60
Vibration, Non-operating: <5 Hz to 500 Hz (Gs) 0.25 0.25 0.25 0.25
Shock, Operating, 2ms (Read/Write) (Gs) 70/40 70/40 70/40 70/40
Shock, Non-operating, 1ms and 2ms (Gs) 300 300 300 300
Physical
Height (in/mm, max)5 1.028/26.1 1.028/26.1 1.028/26.1 1.028/26.1
Width (in/mm, max)5 4.010/101.85 4.010/101.85 4.010/101.85 4.010/101.85
Depth (in/mm, max)5 5.878/147.0 5.878/147.0 5.878/147.0 5.878/147.0
Weight (lb/g) 1.543/700 1.444/655 1.400/635 1.334/605
Carton Unit Quantity 20 20 20 20
Cartons per Pallet 40 40 40 40
Cartons per Layer 8 8 8 8
6Gb/s SAS Specifications on Next Page
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