Note:

• The full product specifications below are from the manufacturer and may contain information related to other package quantities that will not apply to the product that you are reviewing. Please confirm the actual content and/or package quantity from the main product specifications page.
• These specifications may represent the entire product series/model/line to which this product belongs with specific configuration differences between the individual products stated.
• These specifications may have been copied from the same product in other region/country in which case there might be minor differences in region-specific data such as Input Voltage, Terms of Warranty etc.

Specifications

Specifications
Part Number: J9F49A-AX
Interface: 12Gb/s SAS

Capacity
Formatted 512 Bytes/Sector (GB): 1800
External Transfer Rate (MB/s): 1200

Performance
Spindle Speed (RPM): 10K
Average Latency (ms): 2.9
Sustained Transfer Rate (Outer to Inner Diameter MB/s): 241 to 117
Cache, Multisegmented (MB): 128

Configuration/Reliability
Disks: 4
Heads: 8
Nonrecoverable Read Errors per Bits Read: 1 per 10E16
Annualized Failure Rate (AFR): 0.44%

Power Management
Typical Op (A) +5V/+12V: 0.44/0.47
Operating, (W, typical): 7.8
Low power idle (W): 4.55
Performance Efficiency Index (Idle W/GB): 0.0025

Environmental
Temperature, Operating (°C): 5 to 55
Temperature, Nonoperating (°C): –40 to 70
Shock, Operating: 2ms (Gs): 40
Shock, Nonoperating: 2ms (Gs): 400
Acoustics Idle (bels—sound power): 3.1
Vibration, Operating: <500Hz (Gs): 0.5
Vibration, Nonoperating: <500Hz (Gs): 3.0

As used for storage capacity, one megabyte (MB) = one million bytes, one gigabyte (GB) = one billion bytes, and one terabyte ( TB) = one trillion bytes.
Total accessible capacity varies depending on operating environment.
Specs based on Seagate P/N: ST1800MM0018 and are subject to change without notification.