WD Caviar SE Serial ATA hard drives offer features and capabilities ideal for next-generation computers and low-end enterprise storage.

General
Rotational Speed 7,200 RPM (nominal)
Buffer Size 8 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 Host (Serial ATA) 1,200 Mbits/s (Max)
Buffer To Disk 748 Mbits/s (Max)

Number of Heads (Physical) 5

Formatted Capacity 200,049 MB
Capacity 200 GB
Interface SATA
Actuator Type Rotary Voice Coil
Number of Platters 3
Bytes Per Sector 512
User Sectors Per Drive 390,721,968
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) 1.60 Pounds (+/- 0.14 pounds)
Metric
Height (Metric) 25.4 mm (Max)
Length (Metric) 147 mm (Max)
Width (Metric) 101.6 mm
Weight (Metric) 0.73 kg (+/- 10%)

Shock
Operating Shock (Read) 65G, 2 ms
Non-operating Shock 250G, 2 ms

Acoustics
Idle Mode 34 dBA (average)
Seek Mode 0 36 dBA (average)
Seek Mode 3 35 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