Seagate Constellation ES 2TB (Cache 64 MB / 7200RPM / SATA II)

Seagate® Constellation® ES fifth-generation drives lead the industry with a range of high capacity enterprise drive options.

Available in both 6Gb/s SAS and SATA interfaces, these drives feature enterprise-class reliability with the power and performance efficiencies that make them ideal for capacity-optimized, 24x7 multi-drive server and storage environments.

Key Features and Benefits
* Reduces design and support costs by building on the Seagate best-in-class enterprise storage foundation.
* Features a range of high capacities—from 500GB to 2TB—in a 3.5-inch enterprise-class hard disk drive.
* Offers a traditional 3.5-inch form factor with enhanced rotational vibration tolerance and high data integrity for enterprise-class reliability in a cost-effective drive.
* Delivers proven reliability, with an MTBF* of 1.2 million hours and enhanced end-to-end data integrity with Protection Information feature.
* Lets you choose a 6Gb/s Enterprise SATA or 6Gb/s SAS interface easing integration and delivering up to 2x the throughput of 3Gb/s nearline hard drives.
* Reduces energy and cooling costs, with the lowest power consumption of any nearline 3.5-inch drive.
* Includes Seagate PowerChoice™ technology for even greater on-demand power savings during slow or idle periods.
* TCG-compliant, Self-Encrypting Drive (SED) security option eliminates the need to overwrite or physically destroy drives, enables safe return of drives for warranty or expired lease purposes and allows organizations to securely repurpose or sell hard disk drives.
* Meets regulatory data security compliance requirements and is FIPS 140-2 Validated™ to protect Sensitive but Unclassified and Protected class data.

Specifikationer:
* Model Number ST32000644NS
* Interface SATA 3Gb/s
* Cache 64MB
* Capacity 2TB
* Areal density (avg) 347Gb/in2
* Guaranteed Sectors 3,907,029,168
* Height (maximum) 26.10mm (1.028 in)
* Width (maximum) 101.85mm (4.010 in)
* Length (maximum) 147.00mm (5.787 in)
* Weight (typical) 710g (1.565 lb)
* Spin Speed (RPM) 7200 RPM
* Sustained data transfer rate 140MB/s
* Average latency 4.16ms
* Random read seek time 8.5ms
* Random write seek time 9.5ms
* I/O data transfer rate 300MB/s
* Unrecoverable read errors 1 in 1015
* MTBF 1,200,000 hours
* Annual Failure Rate 0.73%
* 12V start max current 2.03A
* 5V start max current 0.36A
* Average idle power 6.39W
* Average operating power 9.03W
* Operating 5°–60°C
* Nonoperating -40°–70°C
* Maximum operating temperature change 20°C per hour
* Maximum nonoperating temperature change 20°C per hour
* Operating Shock (max) 70/40 Gs for 2ms
* Nonoperating Shock (max) 300 Gs for 2ms
* Acoustics (Idle Volume) 2.7 bels
* Acoustics (Seek Volume) 3.0 bels