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Seagate Momentus 640GB 2.5 Inch Hard Drive


CrystalDiskMark has been one of our standbys for years, and remains a good way to get a quick handle on how well your drive can perform.


Results are about what you’d expect, with sequential read coming in at 74.21MB/sec, sequential write at 68.03MB/sec, and the others scaling down from there. 4k read speeds were somewhat disappointing, though running the test at a queue depth of 32 helped the results there.


Sandra is another regular in the benchmarking circuit, providing a fairly comprehensive suite of tests for just about every subsystem in your PC.


Raw read performance came in about the same with Sandra; the average result was 71.89MB/sec. Access time was fairly good at 17.9msec, though it did get beaten out by the 7200rpm drives in the test.


Things look a little better in the file system test, with read speed coming in at 72.72MB/sec and access time down to 6.63ms—in both cases, beating out the Toshiba drives in the test.

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