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Seagate Cheetah 15K.7 SAS Hard Drive ST3600057SS E-mail
Reviews - Featured Reviews: Storage
Written by Olin Coles   
Tuesday, 27 October 2009
Table of Contents: Page Index
Seagate Cheetah 15K.7 SAS Hard Drive ST3600057SS
Features and Specifications
First Look: Seagate Cheetah 15K.7
Drive Testing Methodology
Basic IO Bandwidth
Random Access IOPS Tests
I/O Response Time
Linear Bandwidth Speed
Sequential Performance Tests
Buffered Transaction Speed
Storage Media Final Thoughts
ST3600057SS Conclusion

CrystalDiskMark Tests

CrystalDiskMark is a very basic read and write benchmark tool by Crystal Dew World that offers performance speed results using sequential, 512KB random, and 4KB random samples. For our tests, sequential read and write performance was measured using a 1000MB file size, with 50, 100, and 500MB being the other available options. CrystalDiskMark requires that an active partition be set on the drive being tested, and all drives are formatted with NTFS.

Benchmark Reviews uses CrystalDiskMark to confirm manufacturer suggested bandwidth speeds. In addition to our other tests, the sequential read and write benchmarks allow us to determine if the maximum stated speed of any storage product is within reasonable specification. In the chart below illustrated below, our sequential read and write performance speeds are organized from highest to lowest based on total bandwidth.

Enjoying a noticeable lead atop of our sequential performance chart, both the Intel X25-E Extreme (261/206 MBps) and the OCZ Vertex EX Single-Layer Cell SSD (256/182 MBps) followed by the OCZ Agility EX (258/172 MBps) offer the highest read and write bandwidth performance. Keeping pace was the Seagate Cheetah 15K.7 SAS drive, offering 208 MBps read and 207 MBps write. Even though the high-performance VelociRaptor hard drive is made to look low-end by the results charted below, it's actually very encouraging to see that a hard disk can still keep pace with a few SSDs. The WD VelociRaptor offers sequential read and write performance comparable to the Mtron MOBI 3500 and the first-generation OCZ SLC SSD.


Drive Hardware

Benchmark Reviews tests and compares buffered transaction speed using HD Tach in the following section...



# Oh yeah !!!Manoj 2010-04-11 01:24
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