WD Caviar hard drives are the performance champions for advanced and mainstream desktop personal computers.

General
Rotational Speed 7,200 RPM (nominal)
Buffer Size 2 MB
Average Latency 4.20 ms (nominal)
Contact Start/Stop Cycles 50,000 minimum

Seek Times (Average)
Read Seek Time (Average) 8.9 ms
Write Seek Time (Average) 10.9 ms (average)
Track-To-Track Seek Time 2.0 ms (average)
Full Stroke Seek 21.0 ms (average)

Transfer Rates
Buffer To Disk 736 Mbits/s (Max)
Buffer to Host (EIDE)
Mode 5 Ultra ATA 100.0 MB/s
Mode 4 Ultra ATA 66.6 MB/s
Mode 2 Ultra ATA 33.3 MB/s
Mode 4 PIO 16.6 MB/s
Mode 2 multi-word DMA 16.6 MB/s

Cylinders 16,383
Number of Heads (Logical) 16
Number of Heads (Physical) 6
Sectors Per Track 63

Formatted Capacity 160,041 MB
Capacity 160 GB
Interface EIDE
Actuator Type Rotary Voice Coil
Number of Platters 3
Bytes Per Sector 512
User Sectors Per Drive 312,581,808
Servo Type Embedded

Height (English) 1.028 Inches (Max)
Length (English) 5.787 Inches (Max)
Width (English) 4.00 Inches (+/- 0.010 inch)
Weight (English) 1.32 Pounds (+/- 0.14 pounds)
Metric
Height (Metric) 25.4 mm (Max)
Length (Metric) 147 mm (Max)
Width (Metric) 101.6 mm
Weight (Metric) 0.6 kg (+/- 10%)

Shock
Operating Shock (Read) 20G, 2 ms
Non-operating Shock 200G, 2 ms

Acoustics
Idle Mode 35 dBA (average)
Seek Mode 0 37 dBA (average)
Seek Mode 3 36 dBA (average)

Temperature (English)
Operating (English) 41° F to 131° F
Non-operating (English) -40° F to 149° F
Temperature (Metric)
Operating (Metric) 5° C to 55° C
Non-operating (Metric) -40° C to 65° C