Read Transfer Rates

The HM500LI by Samsung is the fastest mechanical 2.5” drive we’ve ever seen, providing an excellent 57.8 MB/s average transfer rate on our reference test system. It beats all of the competitors in this benchmark.
Hitachi’s Travelstar 5K500 doesn’t do very well in this benchmark. At 62.6 MB/s, it is as fast as Samsung was two drive generations ago with the HM250JI.
Write Transfer Rates

The results are similar for the write throughput benchmark. Samsung dominates and is best of its class in write throughput.
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Summary
- 500 GB Drives for High-End Notebooks
- Not All 2.5” Drives Are Created Equal
- Three Platters: Hitachi Travelstar 5K500, 500GB
- Two Platters: Hitachi Travelstar 5K320, 320GB
- Record Throughput: Samsung Spinpoint H6 HM500LI, 500GB
- Drive Comparison Table
- Benchmark Results: Data Transfer Diagrams
- Read And Write Transfer Rates
- Interface Bandwidth And Access Time
- Application Performance: PCMark05 Windows XP Startup And Write Performance
- I/O Performance
- Power Requirements
- Conclusion: 500 GB Notebook Drives are Still Unbalanced