WD7500AAKS 750GB HDD

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With peak data rates up to 95 MB/s, the 750 GB top-of-the-line member in the Caviar SE 16 family is the fastest 7,200 RPM hard disk we've seen in our test labs to date. Even the median value of nearly 75 MB/s is on a par with that of the 10,000 RPM Raptor drive WD1500, and its minimal transfer rates clearly trump those of the competition. However, it still cannot beat the 74 GB version WD740. Because slower rotation speed translates into longer rotational latencies before actual data access begins, the average access time of 13.3 ms also can't really keep up with the 8 ms posted for the WD Raptor. Beyond that, however, the rest of our benchmarks should give WD plenty to cheer about. In particular, the I/O performance in the file server and database server schemas is noticeably superior to that of other 7,200 RPM drives.