Seagate Constellation ES.3 4TB Hard Drive Review

Author: AkG
Date: April 2, 2013
Product Name: Constellation ES.3 4TB
Part Number: ST4000NM0023
Warranty: 5 Years
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Read Bandwidth

For this benchmark, HD Tune Pro was used. It shows the potential read speed which you are likely to experience with these storage devices. We donít put much stock in Burst speed readings and thus we no longer included it. The most important number is the Average Speed number. This number will tell you what to expect from a given drive in normal, day to day operations. The higher the average the faster your entire system will seem.

Write Performance

For this benchmark HD Tune Pro was used. To run the write benchmark on a drive, you must first remove all partitions from that drive and then and only then will it allow you to run this test. Unlike some other benchmarking utilities the HD Tune Pro writes across the full area of the drive, thus it easily shows any weakness a drive may have.

Please note: Due to the way HD Tune tests write performance we were unable to test any drives in RAID configuration as such they have all been left out of this chart.

These new ES.3 drives are very, very quick but based on these results it is very likely Seagate has foregone the use of 1TB platters, rather opting for the slightly older 800GB platters. This would explain the slightly slower results when compared to a Seagate 3TB drive. Using slightly lower aerial density does make sense as the enterprise marketplace is extremely conservative in nature and if the ES.3 can continue to compete at this level we doubt many of the intended customer base will care one way or the other about platter size.

It is also worth noting that this drive is not only meant for the enterprise marketplace, but has been designed with RAID arrays and deeper than usual queue depths in mind. As such, the firmware has been tweaked with those situations in mind. When the ES.3 4TB drives were placed in RAID the results did scale very nicely and nearly linearly.

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