Seagate Constellation ES 2 TB 7200 RPM SATA 3 GB/s 64 MB Cache 3.5-Inch Hard Drive - ST32000644NS

Rating: 3.9 of 5 stars
Product asin : B003IT70KI

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Product Description:

The fourth-generation, 3.5-inch Seagate® Constellation™ ES drive for enterprise 7200-RPM environments enables cost-effective, highly efficient storage with the highest capacities, best-in-class reliability, leading 6Gb/s SAS performance, optimized power and cooling, and optional government-grade security, all backed by Seagate enterprise service and support. The 2TB capacity can store an unprecedented 76TB per square foot, maximizing floor space at the lowest $/GB. With the lowest power consumption and highest temperature tolerance for a 3.5 inch enterprise drive, the Constellation ES drive optimizes chassis performance in tiered storage solutions. It is the only drive offering a choice of traditional SATA 3Gb/s interface for seamless integration, or the industry-leading 6Gb/s SAS interface for a more reliable, scalable and sustainable high-performance enterprise solution.

Seagate® Constellation™ ES
What the experts are saying...

Enterprise-class 3.5-inch 7200-RPM drive
The Seagate Constellation ES is the perfect 3.5-inch drive for environments that require highly efficient, reliable and secure storage that delivers seamless enterprise integration, including:
High-capacity servers and external storage
Storage area networks (SAN)
Network attached storage (NAS)
Direct attached storage (DAS)
Enterprise backup and restore (D2D, virtual tape)
Centralized surveillance
Cloud storage
Why Choose Seagate Constellation ES?
Reduces design and support costs by building on Seagate's best-in-class enterprise storage foundation
Features the maximum capacity available-up to 2TB-in a 3.5-inch enterprise-class drive
Reduces energy and cooling costs, with the lowest power consumption of any nearline 3.5-inch drive
Delivers proven reliability, with an MTBF* of 1.2 million hours
Delivers dramatically increased storage scalability and data integrity with 6Gb/s SAS or an enterprise SATA 3Gb/s interface
Offers a Self-Encrypting Drive option for government-grade data security**

* Mean Time Between Failures
**Self-Encrypting SAS models require TCG-compliant host or controller support
“What if I told you that you could have Velociraptor level performance (and more) with almost seven times the capacity? Seagate's Constellation Hard Drive fits that bill to a T. It Outperforms the Velociraptor by almost 20mb/s on maximum read performance, and with 2TB of space it puts the 300GB capacity of the Velociraptor to shame.”
- Lanoc Reviews, January 2010
“I personally think that Seagate is on the right track with Constellation ES series and i am sure this is not the end of the Enterprise line for Seagate. Great fast drives and great performance. 9/10!”
- Umlan, January 2010


 
 
"Rorke Data's HD video and 3D film post production customers need both the increased capacity and the 6Gb/s SAS performance of the Constellation™ ES drives to meet their growing needs, especially in the world of 3D. Our Galaxy® Aurora RAID systems take full advantage of the high-capacity Constellation™ ES drive by packing 72TB in under 9 inches of rack space while delivering sustained transfer rates of 3300MB/s,"
- Joe Rorke, vice president of marketing, Rorke Data
 
 


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Constellation ES Drive Specifications
Specifications SAS 2.0 SATA
2 TB1 1 TB1 500 GB1 2 TB1 1 TB1 500 GB1
Model Number ST32000444SS
ST32000445SS2 ST31000424SS
ST31000425SS2 ST3500414SS
ST3500415SS2 ST32000644NS ST31000524NS ST3500514NS
Interface 6Gb/s SAS, 3GB/s SAS 6Gb/s SAS, 3GB/s SAS 6Gb/s SAS, 3GB/s SAS SATA 3GB/s, SATA 1.5Gb/s SATA 3GB/s, SATA 1.5Gb/s SATA 3GB/s, SATA 1.5Gb/s
Self Encrypting Drive (SED)
Government Grade Security Yes Yes Yes - - -
Performance
Spindle Speed (RPM) 7200 7200 7200 7200 7200 7200
Seek Time            
    Average Read/Write (ms) 8.5/9.5 8.5/9.5 8.5/9.5 8.5/9.5 8.5/9.5 8.5/9.5
    Track-to-Track Read/Write (ms) 0.5/0.8 0.5/0.8 0.5/0.8 0.5/0.8 0.5/0.8 0.5/0.8
Maximum Sustained Transfer Rate (MB/s) 150 150 150 140 140 140
Cache, Multisegmented (MB) 16 16 16 64 32 32
Configuration/Organization
Bytes per Sector 512, 520, 524, 528 512, 520, 524, 528 512, 520, 524, 528 512 512 512
Reliability/Data Integrity
Power-On Hours (annual) 8760 8760 8760 8760 8760 8760
Mean Time Between Failures (MTBF, hours) 1.2 million 1.2 million 1.2 million 1.2 million 1.2 million 1.2 million
Reliability Rating at Full 24x7 Operation (AFR) 0.73% 0.73% 0.73% 0.73% 0.73% 0.73%
Nonrecoverable Read Errors per Bits Read 1 per 10E15 1 per 10E15 1 per 10E15 1 per 10E15 1 per 10E15 1 per 10E15
IOEDC (I/O Error Dectection Code) Yes Yes Yes Yes Yes Yes
IOECC (I/O Error Correction Code) Reads/Writes Reads/Writes Reads/Writes Writes Writes Writes
Load/Unload Cycles (at 40°C) 300,000 300,000 300,000 300,000 300,000 300,000
Interface Ports Dual Dual Dual Single Single Single
Limited Warranty (years) 5 5 5 5 5 5
Power Management
Power Supply Requirements +12V and +5V +12V and +5V +12V and +5V +12V and +5V +12V and +5V +12V and +5V
Idle(W) 8.0 6.0 5.6 7.0 5.0 4.6
Typical Operating Power, Random Read (W) 12.2 10.8 10.4 11.2 9.8 9.4
Typical Operating Power, Random Write (W) 11.2 9.6 9.2 10.2 8.6 8.2
PowerChoice™ option, 1 to 4 range (W) As low as 1.26 As low as 1.30 As low as 1.28 As low as 0.53 As low as 0.57 As low as 0.55
Environmental
Rotational Vibration @ 1800 Hz (rad/sec2) 12.5 12.5 12.5 12.5 12.5 12.5
Shock (Gs)
   Operating: 2 ms (Gs) 70 70 70 70 70 70
   Nonoperating: 1 ms and 2ms (Gs) 300 350 350 300 350 350
Temperature (°C)
   Operating 5 to 60 5 to 60 5 to 60 5 to 60 5 to 60 5 to 60
   Nonoperating -40 to 70 -40 to 70 -40 to 70 -40 to 70 -40 to 70 -40 to 70
Acoustics Idle(bels, typlical) 2.7 2.2 1.9 2.7 2.2 1.9
Physical
Height (in/mm) 1.028/26.1 1.028/26.1 1.028/26.1 1.028/26.1 1.028/26.1 1.028/26.1
Width (in/mm) 4.0/101.6 4.0/101.6 4.0/101.6 4.0/101.6 4.0/101.6 4.0/101.6
Depth (in/mm) 5.787/146.99 5.787/146.99 5.787/146.99 5.787/146.99 5.787/146.99 5.787/146.99
Weight (lb/kg) 1.565/0.71 1.411/0.64 1.345/0.61 1.543/0.70 1.344/0.61 1.289/0.585
1 One gigabyte, or GB, equals one billion bytes and one terabyte, or TB, equals one trillion bytes when referring to hard drive capacity.
2 SED option for SAS models only. Requires TCG-compliant host or controller support.

3.5 2Tb Sata 7200 64Mb

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