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Seagate Constellation.2 1TB 2.5-inch SATA Hard Drive - Benchmarks - AS SSD

By: Chris Ramseyer | HDDs in Storage | Posted: Jan 20, 2011 7:43 am
TweakTown Rating: 91%Manufacturer: Seagate

AS SSD Benchmark


Version and / or Patch Used: 1.2.3577.40358
Developer Homepage:Alex Intelligent Software
Product Homepage:Alex Intelligent Software
Download here:


AS determines the performance of Solid State Drives (SSD). The tool contains four synthetic as well as three practice tests. The synthetic tests are to determine the sequential and random read and write performance of the SSD. These tests are carried out without the use of the operating system caches.


In all synthetic tests the test file size is 1GB. AS can also determine the access time of the SSD, the access of which the drive is determined to read through the entire capacity of the SSD (Full Stroke). The write access test is only to be met with a 1 GB big test file. At the end of the tests three values for the read and write as well as the overall performance will be issued. In addition to the calculated values which are shown in MB/s, they are also represented in IO per seconds (IOPS).


Note: AS SSD is a great benchmark for many tests, but since Crystal Disk Mark covers a broader range of 4K tests and HD Tune Pro covering sequential speeds, we will only use the Copy Benchmark from AS SSD.


- Copy Benchmark




Copying data from one area of the drive to another has increased quite a bit as well. The performance of the new Constellation.2 is very good and even outperforms the Western Digital VelociRaptor; this is even though the Raptor has a platter speed advantage. This performance can be attributed to the higher aerial density of the Constellation.2.


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