0F38459 Technical Specifications
WD Ultrastar DC HC550 Hard Drive 18TB SATA 6Gb/s
Brand WD
Product Line WD Ultrastar DC HC550
Model WUH721818ALE6L4
Manufacturer Hitachi Hard Drives
Storage
Average Latency 4.16 millisecond
Buffer Size 512 megabyte
Data Transfer Rate (Hard Drive) 600 MBps
Form Factor (Short) 3.5″
Form Factor (Short) (metric) 8.9 cm
Hard Drive Capacity 18 TB
Hard Drive Features
Conventional magnetic recording (CMR), Energy-Assisted Magnetic Recording (EAMR), Helio Seal, Media Cache Plus, Rotational Vibration Safeguard (RVS), Triple State Actuator (TSA), Two-Dimensional Magnetic Recording (TDMR)
Hard Drive Type
Internal hard drive
HD Interface Serial ATA-600
Load/Unload Cycles 600,000
Max Internal Data Transfer Rate 262 MBps
Non-Recoverable Errors 1 per 10^15
Spindle Speed (rpm) 7200 revolutions per minute
Storage Interface Serial ATA-600
24×7 Operation
Yes
Connectivity
Interface Provided 1 x SATA 6 Gb/s
Power
Power Consumption 5.6 Watt (idle), 6.5 Watt (typical)
Technical Information
Compatible Bay 3.5″
Hard Drive Form Factor 3.5″
Hard Drive Form Factor (metric) 8.9 cm
Max Operating Temperature 140 degree Fahrenheit
Max Storage Temperature 158 degree Fahrenheit
Min Operating Temperature 41 degree Fahrenheit
Min Storage Temperature -40 degree Fahrenheit
MTBF 2,500,000 Hours
Shock Acceleration (Non-operating) 250 gram
Shock Acceleration (Operating) 50 gram
Shock Duration (Non-operating) 2 ms half-sine wave
Shock Duration (Operating) 2 ms half-sine wave
Vibration Acceleration (Non-operating) 1.04 gram
Vibration Acceleration (Operating) 0.67 gram
Vibration Frequency Range (Non-operating) 2-200 Hz
Vibration Frequency Range (Operating) 5-500 Hz
Product Information
Packaged Quantity 1
Product Type Hard Drive
Dimensions & Weight
Height 1 inch
Weight 24.34 ounce
Width 4 inch
Depth 5.8 inch