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Windows 7: Want to buy a new Hard drive

11 Nov 2009   #11
SIW2

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64
 
 

Single platters also much better on power consumption.


My System SpecsSystem Spec
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11 Nov 2009   #12
darknight125

windows 7
 
 

So i readed some interviews about the 500gb WD HDD and this one has puzzled me :

Pros: Better than average speed at 70-75MB/s average read (HDtune), reasonable priceCons: First one died the first day, second one was flaky (had problems creating and modifying partitions, had to use Windows OS disk to create a partition) and much slower than anticipated.Other Thoughts: The first drive I received was not DOA, but died in the first hour of use. System would not boot with drive connected after that, so RMA. The second one worked, but I had allot of trouble setting up partitions and had to use the Windows OS installation CD to delete a partition and create a new one. After that, I got 70-75MB/s read from HDtune, which is allot less than some testing I have seen from the WD Caviar Black series, which are supposed to be some of the fastest 7200 RPM drives out there. The 500GB version does not appear to live up to the performance seen in the 640 and 1TB versions., which have been reviewed and tested a great deal.

I am returning the drive for the 640GB version, which may have a more efficient platter design and I hope to be seeing some of those 95MB/s average read speeds I have been reading about. If the 640GB version does not live up, it may be time to find another brand.
So i though why not considering buying a 640gb.So i did a search and found that one E-SHOP.GR: WESTERN DIGITAL WD6401AALS 640GB CAVIAR BLACK SATA2
the prices difference is only 3 euro...what you guys think?
Now about the single platter thing,how i can understand if a hdd has a single platter or not?I have to call them or they write it somewhere?
My System SpecsSystem Spec
11 Nov 2009   #13
darknight125

windows 7
 
 

Quote   Quote: Originally Posted by ignatzatsonic View Post
I just spent 5 minutes on google trying to confirm number of platters in the WD drives.

Couldn't get any confirmation.

The model numbers that have 64 in them, like 6400 and 6401 are almost certainly 2 platters of 320 each, short-stroked to provide 500 total.

I found some claims that the newest versions of the WD "Blue" series in 500 gig size have a single platter. If they do that in the Blue series, you would think they would do the same thing in their premier "Black" series.

Unless you gotta have it NOW, I would spend a few days to see if I could get any confirmation on the number of platters. Single platter is going to be faster, but you probably wouldn't notice the difference.
well,i cant say im in a big hurry
My System SpecsSystem Spec
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11 Nov 2009   #14
ignatzatsonic

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium SP1, 64-bit
 
 

You will find it difficult to get a manufacturer to talk about the number of platters. Your best bet for that is google. The longer you wait and the more you search, the greater the chance you will find the info.

I just bought a 1.5 TB WD "Green" drive. I found out before I bought what suffix after the model number meant that it had only 3 platters, rather than 4 or 5. I lucked out and got a model with that suffix and only 3 platters. But the only way you are going to be able to confirm the suffix is to go to a store and try to inspect the drive. That is difficult to do.

It is possible all 500 gig WD drives have 320 gig platters (their previous maximum on any platter), but then why would they start numbering drives with 500 in the model number rather than 6400 or 6401?

Regarding reviews: you will find complaints in the reviews about ANY brand you name. You will find dead on arrivals in all brands. The manufacturers cannot afford to spend the time it takes to fully test all of them, so they tolerate a certain percentage of failures and just replace them. It's cheaper that way.
My System SpecsSystem Spec
11 Nov 2009   #15
darknight125

windows 7
 
 

Quote   Quote: Originally Posted by ignatzatsonic View Post
You will find it difficult to get a manufacturer to talk about the number of platters. Your best bet for that is google. The longer you wait and the more you search, the greater the chance you will find the info.

I just bought a 1.5 TB WD "Green" drive. I found out before I bought what suffix after the model number meant that it had only 3 platters, rather than 4 or 5. I lucked out and got a model with that suffix and only 3 platters. But the only way you are going to be able to confirm the suffix is to go to a store and try to inspect the drive. That is difficult to do.

It is possible all 500 gig WD drives have 320 gig platters (their previous maximum on any platter), but then why would they start numbering drives with 500 in the model number rather than 6400 or 6401?

Regarding reviews: you will find complaints in the reviews about ANY brand you name. You will find dead on arrivals in all brands. The manufacturers cannot afford to spend the time it takes to fully test all of them, so they tolerate a certain percentage of failures and just replace them. It's cheaper that way.
ok thanks for the help,have a last question though what the difference between a hdd that have a single platter with a hdd that have 2 or 3 platters?
My System SpecsSystem Spec
11 Nov 2009   #16
ignatzatsonic

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium SP1, 64-bit
 
 

All other things being equal, the single platter drive will be slightly faster and should use slightly less power, generate slightly less heat, and be slightly quieter. Those are all good things, but they are minor differences.
My System SpecsSystem Spec
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