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Conclusion

We did not compare HDDs of different form-factor in this review directly, but the performance of the 2.5-inch models seems to be quite comparable to that of their full-size counterparts. Moreover, the 2.5-inchers are faster than 3.5-inch drives at random-address operations due to the smaller working zone of the platter.

Talking about the specific models, we want to single out the Seagate Savvio 15K.1 for its excellent performance in server tests. The higher spindle rotation speed (15,000rpm) gives it an edge against the other HDDs in tests that focus on input/output operations.

The Hitachi Ultrastar C10K300 should also be praised for its high recording density and excellent performance in practical applications. It won all the sequential-load tests and FC-Test and delivered good results in the server patterns and PCMark.

Unfortunately, we did not have an HBA controller with support for SAS 6Gbps at the time of our tests, so the key feature of the Hitachi Ultrastar C10K300 – its support for the new version of the SAS interface – is left unexamined. But we hope it is not the last of our reviews of 2.5-inch SAS drives and we will be able to return to this issue soon.

 
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