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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

128k Sequential Read/Write

 

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128k sequential speed reflects the maximum sequential throughput of the SSD. The 845DC EVO leads the sequential read tests with an average of 526 MB/s at 256 OIO. The Micron M500DC features the lowest sequential performance specifications of the value-SSD lineup and averages 417 MB/s, while the Intel DC S3500 delivers an average of 441 MB/s.

 

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The 845DC EVO provides the lowest overall latency.

 

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The 845DC EVO averages 427 MB/s. The M500DC averages 388 MB/s, and the DC S3500 is within striking distance of the EVO with 424 MB/s.

 

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On the surface, the 845DC EVO would appear to be the best SSD with sequential read and write activity. Our mixed workload testing reveals otherwise. The 845DC EVO and DC S3500 both exhibit a 'bathtub' performance profile with sequential workloads. The high marks in pure read/write environments are accompanied by sagging performance in the middle. The slightest of mixed workloads sends their performance much lower, while the M500DC delivers steadier performance throughout the test. The 845DC EVO and DC S3500 actually only lead in two of the 11 tests.

 

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The 845 DC EVO wins with an average of 4.14 watts. The M500DC averages 5.24 watts, and the DC S3500 averages 4.83 watts.

 

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The 845DC EVO is the most efficient sequential drive in write environments with an average of 99 MB/s-per-Watt. The M500DC averages 73 MB/s-per-Watt, and the DC S3500 averages 87 MB/s-per-Watt.

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