HD Tune Pro - Sequential Performance
Version and / or Patch Used: 5.50
The results from HD Tune Pro don't surprise us. OCZ has limited QD1 reads and writes artificially since the Vertex 4. This limit with block sizes less than 128KB allow the drive to reserve performance for multitasking. With the same 64KB block size test, but with a queue depth of two the Vector 180 saturates the SATA 6Gbps bus.
The Barefoot 3 controller's strong suit is writing data. It appears that OCZ has lifted the 64KB block QD1 write limit and the Vector 180 is now in line with other high performance SSDs on the market.
HD Tach - Sequential Write Performance after Random Writes
Version and / or Patch Used: 188.8.131.52
After a reasonable number of sequential and random writes to the drive, we ran HD Tach with 128KB blocks to look for large dips in write performance. The Vector 180 didn't have any issues like we've found with some other products in the past.
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