Barracuda 7200.8 400 GB

Capacity Interface

Model ST3400832A ATA 400GB

Where to Buy

Specifications
Model Number	ST3400832A
Interface	ATA
Cache	8MB
Capacity	400 GB
Guaranteed Sectors	781,422,768
Number of pins on the I/O connector	40
PHYSICAL
Height (max)	26.11 mm (1.028 inches)
Width (max)	101.85 mm (4.010 inches)
Length (max)	146.99 mm (5.787 inches)
Weight (typical)	635 grams (1.39 pounds)
COMPLIANCE
European Union Restriction of Hazardous Substances	Y
PERFORMANCE
Spindle Speed	7200 rpm
Average latency	4.16 msec
Random read seek time	<11.0 msec
Random write seek time	<12.0 msec
null	100 null
RELIABILITY
Annual Failure Rate	0.34 %
Unrecoverable read errors	1 in 10^14
POWER
Average idle current	7.2 watts
Average seek power	12.40 watts
Standby power	0.80 watts
Sleep power	0.80 null
Maximum start current, DC	2.80 amps
ENVIRONMENT
Ambient Temperature
Operating	0 to60 degrees C
Nonoperating	-40 to70 degrees C
Maximum operating temperature change	20 degrees C per hour
Maximum nonoperating temperature change	30 degrees C per hour
Maximum operating case temperature	69 degrees C
Relative Humidity
Operating	5 to 90
Nonoperating	5 to 95
Maximum allowable humidity change	30 per hour
Altitude
Operating altitude (min)	-60.96 meters (-200 feet)
Operating altitude (max)	3,048 meters (10,000 feet)
Nonoperating altitude (min)	-60.96 meters (-200 feet)
Nonoperating altitude (max)	12,192 meters (40,000 feet)
Shock
Operating Shock (max)	63 Gs null 2 msec
Nonoperating Shock (max)	300 Gs null 2 msec
Vibration
Operating vibration	0.5 Gs null 23-350 Hz
Nonoperating vibration	5.0 Gs null 23-350 Hz
ACOUSTICS
Acoustics (Idle Volume)	2.8 bels
Acoustics (Seek Volume)	3.7 bels