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TR FileBench — Real-world copy speeds
FileBench, which was concocted by TR's resident developer Bruno "morphine" Ferreira, runs through a series of file copy operations using Windows 7's xcopy command. Using xcopy produces nearly identical copy speeds to dragging and dropping files using the Windows GUI, so our results should be representative of typical real-world performance. We tested using the following five file sets—note the differences in average file sizes and their compressibility. We evaluated the compressibility of each file set by comparing its size before and after being run through 7-Zip's "ultra" compression scheme.

  Number of files Average file size Total size Compressibility
Movie 6 701MB 4.1GB 0.5%
RAW 101 23.6MB 2.32GB 3.2%
MP3 549 6.48MB 3.47GB 0.5%
TR 26,767 64.6KB 1.7GB 53%
Mozilla 22,696 39.4KB 923MB 91%

The names of most of the file sets are self-explanatory. The Mozilla set is made up of all the files necessary to compile the browser, while the TR set includes years worth of the images, HTML files, and spreadsheets behind my reviews. Those two sets contain much larger numbers of smaller files than the other three. They're also the most amenable to compression.

To get a sense of how aggressively each SSD reclaims flash pages tagged by the TRIM command, the SSDs are tested in a simulated used state after crunching IOMeter's workstation access pattern for 30 minutes. The drives are also tested in a factory fresh state, right after a secure erase, to see if there is any discrepancy between the two states. There wasn't much of one with the M600, so we're only presenting the used-state scores.

Although the M600 isn't the fastest SSD in our file copy tests, it fares reasonably well overall. The 256GB and 1TB versions are competitive across all five tests, and they're very equally matched. The same can't be said for the old M500, which delivers much faster copy speeds in its 960GB incarnation than in its 240GB one. Dynamic Write Acceleration clearly gives the M600 256GB a boost here.