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Since the linear read speeds are the same for NTFS and FAT32, we offer one diagram for both file systems:

The speed of the single drive is the same with TCQ enabled or disabled. The speeds of the RAID1 and RAID10 arrays are smaller compared to the single drive and the two-disk RAID0, respectively. The speed of the four-disk RAID0 is rather too low.

Here are data-transfer graphs for each of the arrays:

  • JBOD 1HDD TCQ Off (graph);
  • JBOD 1HDD TCQ On (graph);
  • RAID1 2HDD TCQ On (graph);
  • RAID0 2HDD TCQ On (graph);
  • RAID0 4HDD TCQ On (graph);
  • RAID10 4HDD TCQ On (graph).


The Talon ZL4-150 is a queer controller as it had problems in half of our synthetic tests, but its TCQ does work and the RAID0 arrays have just excellent speeds in some benchmarks. The controller is also very good in tests that emulate server-like workloads; its current driver seems to be overall optimized sharply for servers.

Currently you can download version 1.1 of the driver from the manufacturer’s website. The user manual says the Talon ZL4-150 controller can work in Windows 2003/XP/2000 and Linux, but the minimal system requirements only mention Microsoft Windows 2000 with Service Pack 2 and higher, Windows 2003 and Windows XP with Service Pack 1 and higher. We could find no drivers or utilities for Linux.

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