The EX2 proved a decent performer with large files, writing our single 10GB file at 65MBps and reading it at 66MBps. Now those aren't QNAP- or Synology-like numbers, but they're acceptable for a consumer box. Writing our 10GB mix of files and folders at 18.5MBps and reading it at 29MBps, on the other hand, is just barely acceptable. Those speeds are significantly lower than average--especially the read number.
WD took particular care to make the EX2 easy to use while delivering a feature set that's more than adequate for small businesses and corporate workgroups. But this NAS box's mundane performance renders us unwilling to extend our recommendation beyond the advanced consumer space.
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