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HGST Ultrastar SSD800MH 12Gb/s SAS3 Enterprise SSD Review - Benchmarks - 128k Sequential Read/Write


By: | SSDs in IT/Datacenter | Posted: Apr 15, 2014 6:05 am
TweakTown Rating: 95%Manufacturer: HGST

128k Sequential Read/Write

 

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128k sequential speed reflects the maximum sequential throughput of the SSD. The HGST Ultrastar SSD800MH is in its own league with the highest sequential read speed we have recorded from a single 2.5-inch SSD. It came in at 1,243 MiB/s. The Toshiba PX02SS goes toe-to-toe with the HGST SSD800MM in sequential read speed, with both delivering an average of 1,040 MiB/s and 1,056 MiB/s, respectively.

 

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All three SSDs are very consistent, but the SSD800MH provides the lowest overall latency.

 

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The SSD800MH sets another record with a sustained speed of 779 MiB/s, and the SSD800MM averages 702 MiB/s. The PX02SS scores slightly over its rated speed at 417 MiB/s. It is important to note that the PX02SS is not designed with sequential workloads in mind; its specification for sequential write is 410 MiB/s.

 

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The SSD800MH takes the lead in the 128k mixed workload test.

 

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The SSD800MH averages 9.87 watts, the PX02SS averages 6.08 watts and the SSD800MM requires 8.68 watts for the sequential write workload.

 

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The SSD800MH averages 78.4 MiB/s-per-Watt, the PX02SS averages 88 MiB/s-per-Watt, and the SSD800MM provides 80 MiB/s-per-Watt.

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