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Barracuda® ES.2 Hard Drives

The Seagate® Barracuda® ES.2 is a 3.5" drive with SAS or SATA interfaces and provides high-capacity, 7200-RPM nearline storage for situations where dollars per GB and GB per watt are primary metrics.

Multi-spindle high-capacity applications such as nearline, NAS, SAN, RAID and multi-host applications.

Model ST31000640SS SAS 3Gb/s 1TB

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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
  • 16-MB cache
  • Low total cost of ownership
  • 5-year limited warranty

 

The Barracuda ES.2 drive is the perfect solution for high-capacity enterprise storage applications such as the migration of mission-critical transactional data, from tier 1 to tier 2 (nearline) storage, where dollars/GB and GB/watt are a primary concern. With energy-saving PowerTrim™ features, superior rotational vibration tolerance and a choice of SATA or SAS interfaces, the Barracuda ES.2 drive provides world-leading technology and value.

Low Power Enterprise Drives

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Barracuda ES.2 SAS 3-Gb/s 1-TB Hard Drive

ST31000640SS

Specifications
Model Number ST31000640SS
Interface SAS 3Gb/s
Cache 16MB
Capacity 1 TB
PHYSICAL
Height (max) 26.11 mm (1.02 inches)
Width (max) 101.6 mm (4.00 inches)
Length (max) 146.99 mm (5.78 inches)
Weight (typical) 530 grams (>=1.168 pounds)
COMPLIANCE
European Union Restriction of Hazardous Substances Y
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
MTBF 1,200,000 hours
Annual Failure Rate 0.73%
POWER
12V start max current 3.0 amps
ACOUSTICS
Acoustics (Idle Volume) 2.7 bels

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