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Toshiba PX02SS 12Gb/s SAS3 Enterprise SSD Review

By: Paul Alcorn | SSDs in IT/Datacenter | Posted: Apr 2, 2014 2:03 pm
TweakTown Rating: 92%Manufacturer: Toshiba







This test emulates Database and On-Line Transaction Processing (OLTP) workloads. OLTP is the processing of transactions such as credit cards and high frequency trading in the financial sector. Enterprise SSDs are uniquely well suited for the financial sector with their low latency and high random workload performance. Databases are the bread and butter of many enterprise deployments. These are demanding 8k random workloads with a 66 percent read and 33 percent write distribution that can bring even the highest performing solutions down to earth.


The Toshiba PX02SS averages 60,240 IOPS at 256 OIO, and the PX02SM averages 43,127 IOPS. The HGST SSD800MM averages 52,630 IOPS. One area the HGST excels is performance consistency.




The Toshiba PX02SS experiences less inconsistency than the PX02SM, while the HGST continues to operate within a very tight latency envelope.




The Toshiba averages 6.44 watts, and the HGST requires 5.87 watts.




The PX02SS averages 9,075 IOP-per-Watt, and the HGST SSD800MM averages 8,670.



File Server






The File Server profile represents typical file server workloads. This profile tests a wide variety of different file sizes simultaneously, utilizing an 80 percent read and 20 percent write distribution.


The PX02SS averages 55,288 IOPS, the PX02SM averages 42,653 IOPS, and the HGST averages 38,737 IOPS at 256 OIO.






The PX02SS requires 6.40 watts during the file server workload, and the HGST pulls 5.26 watts.




The Toshiba PX02SS leads this test easily with an impressive 8,693 IOPS-per-Watt, compared to 6,502 for the HGST SSD800MM.

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