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Seagate Barracuda ES 400GB 7.2K SATA Hard Drive ST3400620NS
Seagate Barracuda ES 400GB 7.2K SATA Hard Drive ST3400620NS

Seagate Barracuda ES 400GB 7.2K SATA Hard Drive ST3400620NS

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Seagate Barracuda ES 400GB 7.2K SATA Hard Drive ST3400620NS

Capacity: 400GB
Spindle Speed: 7,200RPM
Interface Type: SATA
Disk Size: 3.5″x1.0″ (LFF Hard Drive)
Sustained Throughput (MBps): 
Average Seek Time (read/write ms): 8.5 / 10
Electrical Interface Speed: SATA 300 – 3.0Gbps
On-Board Cache: 16MB

Detailed Description
 

The Seagate® Barracuda® ES enterprise hard drive is the industry’s most reliable, highest capacity 7200-RPM hard drive for 24 x 7, multidrive, business-critical applications. The Barracuda ES hard drive is built with perpendicular recording TECHNOLOGY for maximum capacity, reliability and cost-effectiveness.

Compatibility
 
Specifications
 
Specifications 400 GB
Model Number ST3400620NS
Interface SATA 3.0Gb/s
Cache 16 MBytes
Capacity 400 GB
Guaranteed SECTORS 781,422,768
Number of pins on the I/O connector 22
PHYSICAL  
Height (max) 26.1 mm  (1.028 inches)
Width (max) 101.6 mm  (4.000 inches)
Length (max) 146.99 mm  (5.787 inches)
Weight (typical) 635 grams  (1.40 pounds)
COMPLIANCE  
European Union Restriction of Hazardous Substances Y
PERFORMANCE  
Spindle Speed 7200 rpm
Native Command Queuing Y
Average latency 4.16 msec
Random read seek time <8.50 msec
Random write seek time <10.0 msec
Maximum interface transfer rate 300 Mbytes/sec.
RELIABILITY  
MTBF 1,200,000 hours
Annual Failure Rate 0.73 %
Unrecoverable read errors 1 in 10^14
POWER  
Average idle current 9.30 watts
Average seek power 12.60 watts
Standby power 0.80 watts
Sleep power 0.807 watts
Maximum start current, DC 2.80 amps
ENVIRONMENT  
Ambient Temperature  
Operating 5 to 55 degrees C
Nonoperating -40 to 70 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 at 2 msec
Nonoperating Shock (max) 300 Gs at 2 msec
Vibration  
Operating vibration 0.25 Gs at 5-22 Hz
Operating vibration 0.50 Gs at 22-350 Hz
Operating vibration 0.25 Gs at 350-500 Hz
Nonoperating vibration 0.25 Gs at 5-22 Hz
Nonoperating vibration 5.0 Gs at 22-350 Hz
Nonoperating vibration 1.0 Gs at 350-500 Hz
ACOUSTICS  
Acoustics (Idle Volume) 2.5 bels
Acoustics (Seek Volume)

 

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