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EMC also led the NAS market for the third quarter with a 46.7-percent share, followed by NetApp with a 30.9-percent share. NAS revenue grew 3.5-percent year-over-year, IDC reported.
Acquisitions provided a good part of the growth of the top vendors.
In addition to Dell's acquisition of Compellent, which closed in the first quarter of 2011, IDC's report also took into account EMC's first quarter close of its Isilon acquisition, and HP's fourth quarter close of its 3PAR acquisition.