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Description: Ships: Price:
1.0TB Seagate Barracuda ES-2 Enterprise-Class SATA II 7200RPM 32MB Buffer Hard Drive W/ Perpendicular Drive Technology. New w/5 Year Seagate Warranty! (SEAST31000340NS) Same Day $184.99
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Seagate

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
  • 5-year limited warranty

Best-Fit Applications

  • Storage-hungry business applications
  • Network attached storage (NAS)
  • Maximum-capacity servers
  • Rich media content storage—audio, video, image
  • Reference and compliance data storage
  • Enterprise backup and restore—D2D, virtual tape
  • Collaboration—email, messaging
  • Infrastructure—Web, print, file


Specifications

Capacity 1TB*
Model Number ST31000340NS
Interface SATA 3Gb/s, 1.5Gb/s
External Transfer Rate (Gb/s) 3.0
Performance

Transfer Rate

Maximum Internal (Mb/s)
Maximum Sustained (MB/s)

1287
105

Cache, Multisegmented (MB)

SATA
SAS

32
16
Average Latency (msec) 4.16
Spindle Speed (RPM) 7200

Seek Time

Average Read/Write (msec)
Track-to-Track Read/Write (msec)

8.5/9.5
0.8/1.0
Configuration/Organization

Bytes per Sector

SATA
SAS

512
512, 520, 524, 528
Reliability/Data Integrity
Mean Time Between Failures (MTBF, hours) 1.2 million
Reliability Rating at Full 24x7 Operation (AFR) 0.73%
Nonrecoverable Read Errors per Bits Read 1 sector per 1015
Error Control/Correction (ECC) 10 bit

Interface Ports

SATA
SAS

Single
Dual
Limited Warranty (years) 5
Power Management

Typical (W)

SATA
SAS

11.6
12.5

Idle Average (W)

SATA
SAS

8.0
9.0
Environmental
Temperature, Operating (°C) 5 to 55
Temperature, Nonoperating (°C) -40 to 70
Shock, Operating: 2 msec (Gs) 63
Shock, Nonoperating: 2 msec (Gs) 300
Acoustics Idle (bels—sound power) 2.7
Rotational Vibration @ 1500 Hz max (Rad/sec²) 12.5
Physical
Height (in/mm) 1.02/26.11
Width (in/mm) 4/101.6
Depth (in/mm) 5.78/146.99
Weight (lb/kg) 1.493/0.677

* One gigabyte, or GB, equals one billion bytes and one terabyte, or TB, equals one trillion bytes when referring to hard drive capacity.

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