WD Velociraptor WD1000DHTZ 1TB SATA III Storage Drive Review

  1. Introduction
  2. Specification and Closer Look
  3. Test Bench and Testing Methodology
  4. AS SSD Benchmark
  5. 8MB ATTO Benchmark
  6. AIDA 64 Sequential Access Test
  7. Anvil Benchmark- 4GB, 16GB, 32GB File Size
  8. Boot Load Test
  9. Data Transfer Test
  10. CrystalDisk Mark Benchmark
  11. HD Tune Pro Benchmark
  12. PCM Vantage x64 HDD Benchmark
  13. PC Mark 7 HDD Benchmark
  14. Conclusion

Like all mechanical storage drives, this comes in an anti- static bag.

This drive is slightly lighter than a 3TB non-Velociraptor drives, despite the large hard drive sink. The newer Velociraptors come with a capacity of 250GB, 500GB and 1TB with 333GB per platter. The rest are pretty much the same what Velociraptors have: 10k RPM Much higher operational temperatures, a 2.5” drive with 15mm thickness and an IcePack heatsink plate installed for quicker heat dissipation.



Velociraptor now uses 64MB cache and comes with Advanced format so that Windows XP/Non 4K aligned users can use the full potential of the drive by installing a jumper before OS installation. Windows 7 and above OS which have 4K alignment by default don’t need to bother.



The Icepack heatsink is attached to the 2.5” drive via Torx security screws. Once you remove them:




Once your remove them (which voids the warranty) you get the pin-to-pin adapter, the sink and the drive itself. The Icepack has a thermal pad, with 2 thermal pad cut-outs specifically mounted and aligned where the controllers and the motor driver are mounted on the drive’s PCB.



Once you open the PCB, you see the pad to fill up any space between the drive and the PCB. There are 2 more protection for both the controller types on the actual drive and its PCB. The contact pins on the PCB, although the same, is made in a way that it can touch the drive’s pins deep into the casing.


The drive is controlled by Marvell 88i9346-TFJ controller with 32MB Cache made by Nanya and spindle motor controller made by STMicroelectrionics.

Since both the controllers will be handling 3x 333GB spindles in 10k RPM, heat needs to be dissipated from them as quickly as possible, even PCB is required.

Moving on…

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