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Samsung 840 Pro 256GB SSD Review

CrystalDiskMark is another benchmarking utility that determines speeds by measuring 512KB, 4KB, and 4KB (Queue Depth 32) sequential and random read and write speeds. Test data can be Random, 0Fill, and 1Fill. For our purposes, we left the test at Random.

DescriptionSeq ReadSeq Write
Samsung 840 Pro 256528.05483.81
DescriptionRandom 512KB ReadRandom 512KB Write
Samsung 840 Pro 256489.45473.38
DescriptionRandom 4KB (QD=1) ReadRandom 4KB (QD=1) Write
Samsung 840 Pro 25635.1382.79
DescriptionRandom 4KB (QD=32) ReadRandom 4KB (QD=32) Write
Samsung 840 Pro 256180.14155.91
DescriptionRandom 4KB (QD=1) Read IOPSRandom 4KB (QD=1) Write IOPS
Samsung 840 Pro 2568576.7020212.50
DescriptionRandom 4KB (QD=32) Read IOPSRandom 4KB (QD=32) Write IOPS
Samsung 840 Pro 25643979.8038063.50

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About Joe D

I have always had a passion for everything computing. In early 2000, I decided to take my passion to the web. Thus, C.O.D. was born. Through the years we have made many great friends at C.O.D. and hope to continue our journey for years to come.

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We love speed... and after reviewing the Samsung 840 Pro, we were chomping at the bit to get the 840 EVO in the lab. Not only does the newer EVO model use newer 19nm 3-bit Triple-Level Cell vs that of 2-bit MLC found in the 840 Pro, but it also features a much more attractive price-point and an increased IOPS... on paper.

One comment

  1. Nice.

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