Tech ARP - Western Digital SiliconEdge Blue 256 GB Solid State Drive Review Rev. 3.0

	Date :	12 April 2011
	Manufacturer :	N/A
	Source :	N/A
	Category :	Storage
	Author :	Dr. Adrian Wong
	Revision :	3.0
	Forum Link :	Discuss here !
	Views :	61607

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Western Digital SiliconEdge Blue 256 GB Solid State Drive Review Rev. 3.0

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IOPS Scaling

In these tests, we tested the drive's ability to tackle multiple input/output operations. Again, we compared the Western Digital SiliconEdge Blue to the Intel X25-M G2 (34 nm). If you wish to see how the WD SiliconEdge Blue compares to other solid state drives, please take a look at our Solid State Drive Performance Comparison Guide.

4 KB Random Read

Outstanding I/Os	WD SiliconEdge Blue	Intel X25-M G2	Difference
1	4,749 IOPS	5,214 IOPS	- 8.9%
8	5,754 IOPS	28,944 IOPS	- 80.1%
32	5,655 IOPS	48,085 IOPS	- 88.2%

4 KB Random Write

Outstanding I/Os	WD SiliconEdge Blue	Intel X25-M G2	Difference
1	4,445 IOPS	13,171 IOPS	- 66.3%
8	4,538 IOPS	13,637 IOPS	- 66.7%
32	4,376 IOPS	19,098 IOPS	- 77.1%

512 KB Random Read

Outstanding I/Os	WD SiliconEdge Blue	Intel X25-M G2	Difference
1	369 IOPS	373 IOPS	- 1.6%
8	374 IOPS	395 IOPS	- 5.5%
32	375 IOPS	396 IOPS	- 5.3%

512 KB Random Write

Outstanding I/Os	WD SiliconEdge Blue	Intel X25-M G2	Difference
1	269 IOPS	196 IOPS	+ 37.5%
8	279 IOPS	198 IOPS	+ 40.8%
32	281 IOPS	198 IOPS	+ 42.1%

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Page	Topic
1	• Overview
2	• Western Digital Solid State Drives • Packaging
3	• The WD SiliconEdge Blue 256 GB SSD • Usable Capacity • Specifications
4	• The Connectors • SSD Maintenance
5	• Testing The SiliconEdge Blue
6	• Surface Temperature • Transfer Rate Profile
7	• WinBench 99 Test Results • Transfer Rate Range
8	• IO Meter Random Access Performance
9	• IO Meter Sequential Access Performance
10	• IOPS Scaling (Random Access)
11	• IOPS Scaling (Sequential Access)
12	• Conclusion

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