Seagate ST9500430SS - Constellation 7200 500 GB Hard Drive Support and Manuals
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Enterprise-Optimized 6Gb/s SAS Rivals Fibre Channel Performance and Scalability at Lower Cost - Page 1
...set of its parallel SCSI predecessor, SAS raised the storage bar with SATA). SAS has supplanted parallel SCSI as the direct-attached SCSI interface of the fastest interface transitions in volume quantities. This rapid transition relied on the SCSI roadmap, while the role of the T10 Committee is to develop standard specifications... the new SAS-2 technical specification (SAS protocol and physical ...
Enterprise-Optimized 6Gb/s SAS Rivals Fibre Channel Performance and Scalability at Lower Cost - Page 2
...Trade Association
Figure 1.
time setting its remarkable throughput and scalability with earlier SAS and SATA hard drives.
• JBOD/RAID (...most
• SAN (storage area network)
obvious attribute of the SAS-2 specification, a
• NAS (network attached storage)
comprehensive suite of independent ...models will continue to FC in the faster throughput, longer maximum
interface, ...
Enterprise-Optimized 6Gb/s SAS Rivals Fibre Channel Performance and Scalability at Lower Cost - Page 3
... Trade Association (SCSITA, www.scsita.org). Devices with earlier SAS/SATA hard drives and SCSI software/ middleware
Management efficiencies
Utilizes existing IT SCSI expertise
Figure 2. While the SAS-1 specification theoretically enabled enormous addressability (up to 128 expanders, each supporting up to 256 devices. To eliminate such incompatibilities, standardized expander zoning is...
Enterprise-Optimized 6Gb/s SAS Rivals Fibre Channel Performance and Scalability at Lower Cost - Page 4
... of SAS drives both faster ...drives can be repeatedly accessed by 66 percent supporting... networked storage expansion beyond
zoning and expander self-discovery technologies, the limits of the data.
But in network storage environments, where massive numbers of drives...costly solid state drives (SSDs). ... cables supported by ...number of SAS drives in the storage...speed necessary ...
Enterprise-Optimized 6Gb/s SAS Rivals Fibre Channel Performance and Scalability at Lower Cost - Page 5
...) 2.5-inch hard drives. To further ensure seamless interoperability, compatibility with the inexorable demand for business sustainability. All rights reserved. Printed in the United States and/or other countries. Seagate, Seagate Technology and the Wave logo are becoming increasingly commonplace through their use on the mini SAS connector for both internal (SFF-8087) and external (SFF...
Constellation™ Product Overview - Page 1
...hard drive on the market designed for the enterprise. At a system level (with more drives) the performance is >2x over 3.5-inch drives.
• The highest-capacity 2.5-inch enterprise drive... outstanding performance.
• Government-grade Self-Encrypting Drive security available on SAS models
• Best-performing nearline drive with PowerChoice™ technology for even greater power ...
Constellation™ Product Overview - Page 2
... the new SAS 2.0 feature set and is used for formatting and other countries. The Constellation drive's implementation of Seagate Technology LLC or one trillion bytes. The Constellation drive extends the industry's best 2.5-inch field-proven reliability into space-constrained IT environments. It is the industry's first 2.5inch nearline drive to hard drive capacity, one gigabyte, or...
Constellation™ Datasheet - Page 1
...Web, print, file Data Sheet
Constellation™
2.5-inch Tier 2/nearline drive with the lowest enterprise power usage
500 GB and 160 GB • 7200 RPM • SAS 6Gb/s, SAS ...highest-reliability 7200-RPM drive, designed for 24x7 operation • Best-in-class rotational vibration tolerance ensures unrivalled performance in high spindle-density applications, and multi-drive firmware maximizes ...
Constellation™ Datasheet - Page 2
....com.
• Visit our knowledge base for answers to common support questions.
• Find documentation for government-grade security. www.seagate.com 1-800-SEAGATE (1-800-732-4283)
Specifications
500 GB1
160 GB1
Model Number
Interface Interface Access Speed
Self Encrypting Drive (SED) Government Grade Security
ST9500430SS ST9500431SS (SED)
SAS 2.0
SAS 6Gb/s SAS 3Gb/s SAS 1.5Gb/s
Yes...
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