Western Digital Black2 Dual Drive Full Review - 120GB SSD + 1TB HDD in a single 2.5" package
SSD Tests - Performance Over Time and TRIM
For performance over time tests we fragment the SSD with heavy random writes and then perform two sequential HDTach passes to verify it can self-defragment:
The JMicron controller was tested for correct reaction to TRIM commands. The same fragmentation operation was performed, but then we created and deleted a partition using Windows 7 disk management. The result:
Note that the fragmentation above resulted in a reduced *read* speed. Writes just kept chugging along at the hard limit, which appears to be enforced by the controller. Overall a very solid and consistent result from the new JMicron controller.
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