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Seagate Barracuda XT 3TB (ST33000651AS) Storage Drive Review

  1. Introduction
  2. Packaging, Specs and First Impression
  3. Test Setup and and Benchmarks
  4. Conclusion
  5. View All

Credits to Gigabyte India, Kingston Taiwan and Western Digital for providing the hardware and keeping the Test Bench Setup updated for evaluating other hardwares.

Boot Load Test
Boot Load Test is where I test the time taken for a hard drive to boot. Netgear WG111 wifi adapter software, Malwarebytes Anti-malware, Avira and uTorrent is enabled on system startup items.

ST33000651AS takes lesser time to boot compared to SATA 6Gb/s 64MB Cache based Seagate Green ST2000DL003 2TB drive but its higher than the 5400RPM drive SATAII WD30EZRS. It could be because the Western Digital WD30EZRS comes with 4x platters, whereas Seagate’s Barracuda XT is with 5x platters. SATA 6Gb/s interface doesn’t seem to play any role in getting better load time either.

File Transfer Tests
File transfer tests are done by transfering data from the secondary storage drive (WD3200AAJS) to the drive that is evaluated.

The only changes you see if the 31 second difference during the 98.3GB Assorted Movie transfer Test. Barracuda XT takes 2 seconds more than WD30EZRS to transfer 1.27GB of compressed Data.

AS SSD Benchmark


Access time during Read tests for Seagate 3TB Barracuda XT is similar to Seagate’s own 2TB Green drive. Access time on WD30EZRS is still bit lower than ST33000651AS but its completely the opposite for Write tests, as this drive takes little more time compared to Western Digital’s Velociraptor WD6000HLHX.

CrystalDisk Benchmark



ATTO Benchmark


Comparing Sequential runs from both AS SSD and CrystalDisk with ATTO runs, sequential Read/Write seem to be the main advantage of this drive as it clearly stands ahead.

HD Tune Pro Benchmarks

CPU Utilisation is also low. Just as AS SSD benchmarks, HD Tune Read has high access time, wheread Write has low access time.

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