Tech ARP - Seagate 2006 Technology Briefing

	Date :	14 July 2006
	Manufacturer :	Seagate
	Source :	http://www.seagat...
	Category :	Events
	Author :	Dr. Adrian Wong
	Revision :	1.0
	Forum Link :	Discuss here !
	Views :	64974

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Seagate 2006 Technology Briefing

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Barracuda ES

The Seagate Barracuda ES is Seagate's answer to anyone's insatiable need for capacity in an enterprise environment. It is essentially the highest-capacity enterprise drive in Seagate's arsenal.

Naturally, it's targeted at applications like Network Attached Storage (NAS), enterprise backup and restore and other storage-hungry applications.

The Barracuda ES makes use of Perpendicular Recording technology in the SATA version to achieve its amazing capacity, while integrating enterprise multi-drive firmware features and best-in-class rotational vibration tolerance to offer the highest reliability 7200 RPM drive for enterprise applications.

The new Barracuda ES drives is now available with capacities ranging from 250GB to 750GB. While SATA 3Gb/s is available for all capacities, 2Gb/s Fibre Channel is also available, albeit for only the 400GB and 500GB capacities.

Here is a list of its key features :

Highest-capacity drives in the market
Highest-reliability 7200 RPM drive, designed for 24x7 operations
Serial ATA interface available for all capacities
Fibre Channel interface available for 400GB and 500GB capacities
Best-in-class rotational vibration tolerance, which allows deployment in high-density, closely-packed system designs

MSRP	• NA
Lowest PriceGrabber Price	• NA
Review	• NA
Current Models	• ST3750640NS (750 GB, SATA 3Gb/s, 16 MB cache) • ST3500630NS (500 GB, SATA 3Gb/s, 16 MB cache) • ST3400620NS (400 GB, SATA 3Gb/s, 16 MB cache) • ST3250820NS (250 GB, SATA 3Gb/s, 16 MB cache) • ST3250620NS (250 GB, SATA 3Gb/s, 8 MB cache) • ST3500071FC (500 GB, FC, 8 MB cache) • ST3400071FC (400 GB, FC, 8 MB cache)
Form Factor	• 3.5"
Supported Interface	• 3 Gbit/s Serial ATA • 2 Gbit/s Fibre Channel
Interface Ports	• Single (SATA) • Dual (FC)
Dimensions	• 26.11 mm / 1.02 inches tall • 101.6 mm / 4.0 inches wide • 146.99 mm / 5.78 inches long
Weight	• 720 g (SATA), 726 g (FC) • 1.58 lb (SATA), 1.60 lb (FC)
Spindle Speed	• 7,200 RPM
Rated Capacities	• 250 GB • 400 GB • 500 GB • 750 GB
Cache	• 16 MB (all SATA drives, except for one 250GB model) • 8 MB (all FC models, one 250 GB SATA model)
Average Latency	• 4.16 ms
Average Seek Times	• 8.5 ms (Read) • 9.5 ms (Write)
Track-to-Track Seek Times	• 0.8 ms (Read) • 1.0 ms (Write)
Maximum Internal Transfer Rate	• 128.75 MB/s (SATA) • 99.25 MB/s (FC)
Maximum Sustained Transfer Rate	• 78 MB/s (750 GB SATA model only) • 72 MB/s (All other SATA models) • 67 MB/s (All FC models)
Typical Power Consumption	• 13.0 W (SATA) • 13.3 W (FC)
Idle Power Consumption	• 9.3 W (SATA) • 10.35 W (FC)
Non-Recoverable Read Errors Per Bits Read	• 1 sector per 10¹⁴
Error Control / Correction (ECC)	• 10-bit (SATA) • IOEDC (FC)
Annualized Failure Rate (AFR)	• 0.73 % (at full 24x7 operation)
Warranty	• 5 years
Temperature	• 5 to 55 °C (Operating) • -40 to 70 °C (Non-Operating)
Shock	• 63 Gs @ 2 ms (Operating) • 225 Gs @ 1 ms (Non-Operating)
Idle Acoustics	• 2.7 bels (750 GB SATA model) • 2.5 bels (Other SATA models) • 3.1 bels (All FC models)
Rotational Vibration	• 12.5 Rad/sec²

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