Drive Configurations

Capacity *	320 GB
Interface	Serial ATA 3.0 Gbps
Buffer DRAM Size	16 MB
Byte per Sector	512 bytes
Rotational Speed	7200 RPM

Performance Specifications

Average Seek time(typical)	8.9 ms
Data Transfer Rate / Media to/from Buffer(Max.)	175 MB/sec
Data Transfer Rate / Buffer to/from Host(Max.)	300 MB/sec
Average Latency	4.17 ms
Drive Ready Time(typical)	8 sec

Reliability Specifications

Non-recoverable Read Error	1 sector in 10^15 bits
Start/Stop Cycles	50,000

Acoustics

Idle	2.45 Bel
Performance Seek	2.80 Bel

Environmental Specifications

Temperature / Operating	0 ~ 60 °C
Temperature / Non-operating	-40 ~ 70 °C
Humidity(non-condensing) / Operating	5 ~ 90 %
Humidity(non-condensing) / Non-operating	5 ~ 95 %
Liner Shock(1/2 sine pulse) / Operating	70 G
Liner Shock(1/2 sine pulse) / Non-operating	350 G
Altitude(relative to sea level) / Operating	-300 to 3,000 m
Altitude(relative to sea level) / Non-operating	-300 to 12,000 m

Power Requirements

Voltage	+5V±5%, +12V±10%
Spin-up Current (Max.)	2.0 A
Seek (typical)	5.7W
Read/Write (typical)	6.1W
Idle (typical)	4.4W
Standby (typical)	0.7/1W
Sleep (typical)	0.7/1W

Physical Dimension

Height (Max.)	26.1 mm
Width	101.5 mm
Length	147.0 mm
Weight (avg.)	470 g

1MB = 1,000,000bytes / 1GB = 1,000,000,000 bytes.
Actual accessible capacity may vary from advertised capacity due to formatting and
partitioning of the hard drive, as well as due to your computer's operating system