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HGST Ultrastar He6 6TB Helium Enterprise HDD Review

By: Paul Alcorn | HDDs in IT/Datacenter | Posted: Mar 30, 2014 8:59 pm
TweakTown Rating: 95%Manufacturer: HGST





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. 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 He6 averages 210 IOPS at QD256, while the 7K4000 averages 224 IOPS.






The He6 averages 8.13 watts, and the 7K4000 requires 9.46 watts.




The 7K4000 closes the gap in efficiency testing with the OLTP workload. The He6 ekes out the win with an average of 25 IOPS-per-Watt compared to 23 IOPS-per-Watt from the 7K4000.



File Server




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


The 7K4000 continues to widen the performance gap in server workloads with its stellar average of 219 IOPS at QD256. The He6 delivers an average of 205 IOPS at QD256.






The He6 continues its lower power consumption with an average of 8.46 watts to the 7K4000's 9.95-watt average.




Both drives are closely matched with an average of 23.4 IOPS-per-Watt from the He6 and 20.9 IOPS-per-Watt from the 7K4000.

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