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SanDisk X210 256GB Business Class SSD - Exploring Overprovisioning - 128K Sequential Read/Write

SanDisk X210 256GB Business Class SSD - Exploring Overprovisioning
SanDisk's release of its X210 caters to a growing market for SSDs tailored for read-centric applications. Today we look closely at overprovisioning. (NASDAQ:SNDK)
By: | Editorials in IT/Datacenter | Posted: Oct 21, 2013 7:01 pm
TweakTown Rating: 93%Manufacturer: SanDisk

128K Sequential Read/Write






The 128K sequential speeds reflect the maximum sequential throughput of the SSD using a realistic file size encountered in an enterprise scenario.


The extra performance we observe with random workloads does not carry over to sequential read data, with an average of 496 MB/s for both settings.




The X210 sequential write speed also remains unaffected, with only 1 MB/s of difference between the two with 447 MB/s for the 100% LBA results.




Surprisingly, our mixed workload testing teases out a performance delta with OP in the 10-70% range, with the extra OP (80% LBA) experiencing acceleration.




With a pure sequential write workload, there is very little difference in latency performance.




With 100% LBA the X210 averages 4.12 Watts, and 80% LBA averages 4.08 Watts.




100% LBA averages 108 MB/s per Watt, with the 80% LBA nearly identical.

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