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Samsung 845DC EVO Enterprise SSD Review

By: Paul Alcorn | SSDs in IT/Datacenter | Posted: Jun 28, 2014 4:27 am
TweakTown Rating: 92%Manufacturer: Samsung

8k Random Read/Write

 

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Server workloads rely heavily upon 8k performance, and we include this as a standard with each evaluation. Many of our server workloads also test 8k performance with various mixed read/write workloads.

 

The average 8k random read speed of the 845DC EVO is 52,731 IOPS. The Micron M500DC is 48,034 IOPS at 256 OIO, and the Intel DC S3500 measures 44,444 IOPS. The 845DC EVO provides impressive read speed, but does not beat the M500DC by nearly as large of a margin as observed with 4k random read activity.

 

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All three SSDs exhibit a tight latency range during the 8k random read test.

 

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The M500DC easily leads with an average of 23,852 IOPS. The 845DC EVO comes in second with 7,112 IOPS, and the DC S3500 averages 6,937 IOPS.

 

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The M500DC owns the 8k mixed workload testing with a large lead during the test. While the 845DC EVO and the DC S3500 have a tighter performance profile, they are well below the M500DC.

 

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Power consumption for the 845DC EVO averages 3.54 watts; the M500DC averages 4.77 watts, and the DC S3500 averages 3.75W.

 

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The M500DC leads the efficiency test convincingly with 4,877 IOPS-per-Watt; the 845DC EVO averages 1,994 IOPS-per-Watt, and the DC S3500 averages 1,584 IOPS-per-Watt.

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