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12Gb/s SAS Seagate 6TB Enterprise Capacity 3.5 HDD v4 Review

By: Paul Alcorn | HDDs in IT/Datacenter | Posted: Jun 28, 2014 10:50 am
TweakTown Rating: 93%Manufacturer: Seagate





This Database and On-Line Transaction Processing (OLTP) workload is the processing of transactions such as credit cards and high frequency trading in the financial sector. Databases are the bread and butter of many enterprise deployments. These demanding 8k random workloads with a 66 percent read and 33 percent write distribution bring even the best solutions down to earth.


The SAS v4 provides 288 IOPS, the SATA v4 averages 282 IOPS, and the He6 weighs in with 264 IOPS. The SAS He6 is actually 29 IOPS faster than the SATA He6 model.






The SAS v4 requires 10.47 Watts, the SATA v4 averages 10.08 Watts, and the He6 averages 6.85 Watts.




The two Seagate v4's are close together at 27/28 IOPS per Watt, but the He6 distances itself from the crowd with an average of 36 IOPS per WATT.



File Server




The file server workload tests a wide variety of different file sizes simultaneously, with an 80% read and 20% write distribution.


The SAS v4 averages 250 IOPS at QD256, the SATA v4 averages 254 IOPS at QD256, and the He6 delivers an average of 261 IOPS.






The SAS V4 averages 10.77 Watts, the SATA v4 averages 10.5 Watts, and the He6 averages of 7.49 Watts.




The He6 leads the chart once again in efficiency.

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