WD4001FAEX Technical Specifications
Western Digital 4TB 7.2K RPM SATA 6GBPS 64MB Buffer 3.5inch Caviar Black Internal Hard Disk Drive
Brand Western Digital
Series Caviar Black
Model WD4001FAEX
Performance Specifications
Transfer Rates Buffer To Host (Serial ATA): 6 Gb/s (Max)
Rotational Speed 7,200 RPM (nominal)
Buffer Size 64 MB
Average Latency 4.20 ms (nominal)
Load/unload Cycles 300,000 minimum
Physical Specifications
Form Factor 3.5″
Formatted Capacity 4,000,787 MB
Capacity 4 TB
Interface SATA 6Gb/s
User Sectors Per Drive 3,907,029,168
Environmental Specifications
Shock Operating Shock (Read) : 30G, 2 ms
Non-operating Shock : 300G, 2 ms
Acoustics Idle Mode – 29 dBA (average)
Seek Mode 0 – 34 dBA (average)
Temperature Operating : -0° C to 60° C
Non-operating : -40° C to 70° C
Electrical Specifications
Power Dissipation Read/Write : 10.40 Watts
Idle : 8.10 Watts
Standby : 1.20 Watts
Sleep : 1.20 Watts