Barracuda ES.2 SATA 3.0-Gb/s 1-TB Hard Drive

ST31000340NS

The Barracuda® ES2 drive is perfect for high-capacity, 7200-RPM nearline storage where dollars/GB and watts/GB are primary metrics. It offers energy-saving PowerTrim™ features, internal data integrity protection, superior rotational vibration tolerance and a SATA 3.0-Gb/s interface.

Key Features and Benefits

• Perpendicular recording technology for maximum capacity
• 24x7 operation and 1.2 M hrs. MTBF
• Dynamic power saving using Seagate PowerTrim™ technology
• Broad spectrum rotational vibration tolerance at 12.5 rads/s2
• Error recovery control - quick error resolution to prevent system timeouts
• Workload management to ensure operational reliability
• Quick and robust download with firmware security checks
• Write Same command for efficient RAID initialization
• Idle Read After Write data integrity checking
• 32-MB cache</>
• Low total cost of ownership

Specifications	1000 GB
Model Number	ST31000340NS
Interface	SATA 3.0Gb/s
Cache	32 MBytes
Capacity	1000 GB
Guaranteed Sectors	1,953,525,168
PHYSICAL
Height (max)	26.1 mm  (1.028 inches)
Width (max)	101.6 mm  (4.010 inches)
Length (max)	146.99 mm  (5.787 inches)
Weight (typical)	677 grams  (1.493 pounds)
PERFORMANCE
Spindle Speed	7,200 rpm
Average latency	4.16 msec
Random read seek time	8.5 msec
Random write seek time	9.5 msec
RELIABILITY
Annual Failure Rate	0.73%
POWER
Maximum start current, DC	3.0 amps