reliable 1 and 2 terabyte hard drives
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Needed reliable large 1, 2 terabyte hard drives for server raid setup and backup disks, however, the very high failure rates reported on newegg for western digital made me look a bit further, where I found this very nice www.behardware.com hard drive return rates from mid 2011.

I won't keep you in suspense, this is the real data from an etailer that has enough sales to get statistically meaningful data:

2011 statistics:
:: Quote ::
Here’s the breakdown model by model for 1 TB drives:

- 3.65% Western Digital Caviar Blue (WD10EALS)
- 3.59% Hitachi Deskstar 7K1000.C (HDS721010CLA332)
- 2.89% Western Digital Caviar Black (WD1001FALS)
- 2.79% Western Digital Caviar Black (WD1002FAEX)
- 1.61% Seagate Barracuda 7200.12 (ST31000528AS)
- 1.57% Western Digital Caviar Green (WD10EARS)
- 1.31% Seagate Barracuda 7200.12 (ST31000524AS)
- 1.27% Western Digital Caviar Blue (WD10EALX)
- 1.15% Samsung SpinPoint F3 (HD103SJ)

And the breakdown for 2 TB drives:

- 5.53% Western Digital RE4-GP (WD2002FYPS)
- 5.07% Hitachi Deskstar 7K2000 (HDS722020ALA330)
- 4.75% Hitachi Deskstar 7K3000 (HDS723020BLA642)
- 4.42% Western Digital Caviar Black (WD2002FAEX)
- 3.48% Seagate Barracuda LP (ST32000542AS)
- 3.40% Seagate Barracuda XT (ST32000641AS)
- 3.05% Western Digital Caviar Green (WD20EARS)
- 2.98% Seagate Barracuda Green (ST2000DL003)
- 2.20% Samsung SpinPoint F4 EcoGreen (HD204UI)

Overall, the 2 TB drives are less reliable than the 1 TB drives. Samsung’s models have the lowest returns rates in both ranges. Note that with the Western Digital RE4-GP (WD2002FYPS), there was quite a low sample (253) and half the returns (7) were made on a single sale: this abnormal rate for what is a “pro” drive can therefore be explained by a problem with transport.


And here's their failure results for 2012, the last year, by the way, you could hope to get hitachi or samsung manufactured hard drives, both companies sold in 2011.:

:: Quote ::
- Samsung 1.23% (as against 1.5%)
- Western 1.63% (as against 2.0%)
- Seagate 1.89% (as against 1.8%)
- Hitachi 3.95% (as against 3.0%)

Samsung keeps the top spot it gained last period, once again improving its returns rate while Hitachi’s score has worsened. Western has improved its rate significantly, moving ahead of Seagate. Now that Hitachi Storage belongs to Western Digital, it's to be hoped that WD will resolve these issues.

Six drives have a rate of over 5%:

- 9.70% Seagate Barracuda XT 3 TB
- 8.94% Hitachi Deskstar 7K3000 1.5 TB
- 7.53% Seagate Barracuda XT 2 TB
- 7.30% Hitachi Deskstar 7K2000 2 TB
- 5.78% Western Digital RE4-GP 2 TB
- 5.33% Western Digital Caviar Green 3 TB

If we look at the individual models we can see that Hitachi isn’t alone in having high rates. The Barracuda XTs do particularly badly. What about the 2 TB drives overall?

- 7.53% Seagate Barracuda XT 2 TB SATA 6Gb/s
- 5.78% Western Digital RE4-GP 2 TB
- 4.53% Hitachi Deskstar 7K3000 2 TB
- 3.18% Western Digital Caviar Black 2 TB
- 3.07% Western Digital AV-GP 2 TB
- 2.55% Seagate Barracuda LP 2 TB
- 2.31% Western Digital Caviar Green 2 TB WD20EARX
- 2.15% Western Digital Caviar Green 2 TB WD20EARS
- 1.80% Samsung SpinPoint F4 EcoGreen 2 TB


This corresponds roughly to what I've seen, although I have to admit I'm surprised the wd caviar blue drives aren't even worse re falure rates, though 1 out 20 is getting very bad.

When you couple this with the bad news that seagate bought samsung hdd division, as that article notes, as of 2011, there are now only 3 companies that make hard drives, western digital, who bought hitachi hard drive division same rough time (and hitachi had bought ibm hdd division), seagate, who has bought samsung, suddenlycomments like this on newegg for the old samsung 2 tb drive make sense:

:: Quote ::
Cons: Now manufactured by seagate..
Drive hangs frequently and requires me to either remove the drive and reinitialize it or restart my server completely depending what works

Other Thoughts: I have 2 of the older models that were manufactured by Samsung. Nither of them have had any issues over the past year i've owed them running pretty much 24/7 in my server

In short look elsewhere for a different hard drive Seagate has made these drives horrible
.....

Cons: this is not a samsung drive it is a seagate barracuda green slow drive it has samsung name but in small print on top it says seagate barracuda green beware not samsung quality

Other Thoughts: samsung was the last independent hard drive company now theres only two wd and seagate quess i will be buying wd from now on can not trust seagate has bad quality control this why prices are high this year no more competition


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