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Written by Olin Coles   
Monday, 28 March 2011
Table of Contents: Page Index
Seagate Barracuda XT 3TB Hard Drive ST33000651AS
Features and Specifications
Drive Testing Methodology
Seagate Barracuda XT: SATA 3G vs 6G
AS-SSD Benchmark
ATTO Disk Benchmark
CrystalDiskMark 3.0 Tests
Iometer IOPS Performance
Short Stroke Disk Performance
Desktop Storage Final Thoughts
Seagate Barracuda XT Conclusion

ATTO Disk Benchmark

The ATTO Disk Benchmark program is free, and offers a comprehensive set of test variables to work with. In terms of disk performance, it measures interface transfer rates at various intervals for a user-specified length and then reports read and write speeds for these spot-tests. There are some minor improvements made to the 2.46 version of the program that allow for test lengths up to 2GB, but all of our benchmarks are conducted with 256MB total length. ATTO Disk Benchmark requires that an active partition be set on the drive being tested. Please consider the results displayed by this benchmark to be basic bandwidth speed performance indicators.

ATTO-Benchmark-Seagate-Barracuda-XT-ST33000651AS.png

Our basic bandwidth speed tests begin with the 3TB Seagate Barracuda XT connected to the Intel ICH10 controller in AHCI mode, as the ATTO Disk Benchmark tools performs file transfers ranging from 0.5 KB to 8192 KB. The ST33000651AS model we received reveals 108 MBps maximum read speed that plateaus from 8.0-8192 KB file chunks, and 108 MBps peak write bandwidth plateaus from 8.0-8192 KB.

ATTO-Disk-Benchmark_Results.png

In the next section, Benchmark Reviews tests sequential performance using the CrystalDiskMark 3.0 software tool...



 

Comments 

 
# Cache sizeAthlonite 2011-03-29 04:26
Why are HDD manufacturers still # footing around with less than 256MB caches on bloody large HDD's when for an extra 3~5 dollars they could be putting 256 or more MegaBytes of DDR2 Ram on there as cache
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# RE: Seagate Barracuda XT 3TB Hard Drive ST33000651ASRahul 2011-03-29 05:44
I think that Olin Coles does not know that all the P67 boards equipped with the UEFI BIOS can run 2.19+ TB hard drives natively with a supported OS like Linux, Vista, 7 etc.
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# RE: RE: Seagate Barracuda XT 3TB Hard Drive ST33000651ASDavid Ramsey 2011-03-29 07:13
Olin does know this. You did read the part about "XP-safe software solution", right?
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# RE: RE: Seagate Barracuda XT 3TB Hard Drive ST33000651ASOlin Coles 2011-03-29 08:57
Actually Rahul , I installed this hard drive on an ASUS P8P67 EVO motherboard that has the UEFI and used Windows 7 64-bit OS, and it could not format the entire 3TB... only 2.19TB. So there, try doing some research before you come online to troll.

Also, UEFI replaced the BIOS, so a "UEFI BIOS" doesn't exist; only UEFI.
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# RE: Seagate Barracuda XT 3TB Hard Drive ST33000651ASRahul 2011-03-30 04:44
*These four sites claim that UEFI enabled or LGA1155 6 Series Chipset Motherboards support Hard Drives upto 9.4 Zettabytes or 10335409301094 Gigabytes ....
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# RE: RE: Seagate Barracuda XT 3TB Hard Drive ST33000651ASOlin Coles 2011-03-30 13:57
If you initialize any hard drive with a MBR (master boot record), it will not see more than 2.19 TB. If you initialize it with GPD (GUID Partition Table), which is available in Windows 7, it will see more than 2.2 TB. It really has nothing to do with the UEFI or chipset.
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# RE: RahulAustin Downing 2011-03-30 15:46
Actually the only thing UEFI did was make it so that systems could boot off of GPT partitions. Perhaps before bashing people who write these articles you should actually do some research of your own.
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# RE: Seagate Barracuda XT 3TB Hard Drive ST33000651ASdanwat1234 2011-07-30 14:49
Sincerely Hoping Hitachi or Seagate make a 5-platter version of this with 1TB/platter before the end of 2011! It'll bring storage prices down across the board!
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