WD "Blue" vs "Red"

SSD'S have a proven history of going belly up over night with NO warning.
wont have one in my systems until that problem and a good advanced warning
system is standard with the drives


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"Rene Lamontagne" wrote in message
news
On 12/20/2016 8:30 PM, Paul wrote:
Ant wrote:
pjp wrote:
In article , lid
says...
Somebody I know needs a new system drive for their desktop PC.

I have always used 5400 RPM WD Reds and have had pretty good luck with
them, but I see that 7200 RPM Blues are about fifteen dollars
cheaper -
but I have zero experience with Blues.

Would anybody care to comment on the tradeoffs?

I avoid 5400 RPM drives if possible, 7200 are always so much faster.

Me too. Wait, why do we have not faster HDD speeds? 7200 is like old.
LOL.

They make 15K drives. That's the fastest I know of.

Those can be noisy, so you'd want to hear one, before
you buy one :-) These are definitely not good drives
for your bedroom. The designers assumed these drives
are all locked in a server room, and they're not
intended for home computing.

Now that they've perfected helium-filled HDAs,
I think they could make a faster one. But, they won't.
For one thing, the read channel may not have room
for a higher transfer rate signal. A good 7200 RPM
is 210MB/sec, a 15K drive is around 300MB/sec. So
the sequential isn't that much better. The 15K has
better seek time. Also, the areal density is lower.
They would make a good boot drive and that's about it.
A single platter might be 300GB, versus 1TB on the
7200 RPM drives.

Paul


Yes the Seagate Cheetah 15,000 rpm drives are still readily available, but
why a desktop user would want one is beyond me with all the SSDs now
available.

Rene

On Tue, 20 Dec 2016 19:45:26 -0600, (Ant) wrote:

pjp wrote:
In article , lid
says...

Somebody I know needs a new system drive for their desktop PC.

I have always used 5400 RPM WD Reds and have had pretty good luck with
them, but I see that 7200 RPM Blues are about fifteen dollars cheaper -
but I have zero experience with Blues.

Would anybody care to comment on the tradeoffs?

I avoid 5400 RPM drives if possible, 7200 are always so much faster.

Me too. Wait, why do we have not faster HDD speeds? 7200 is like old.



We do, sort of. We have SSDs.

They're not HDs of course, but they are substitutes for them. And in
al probability, in only a few years, SSDs will have completely
replaced HDs.

On 2016-12-21, Andy wrote:
SSD'S have a proven history of going belly up over night with NO warning.
wont have one in my systems until that problem and a good advanced warning
system is standard with the drives

I've had that happen with mechanical drives as well. That's what backups
are for. I've been using SSDs for years now and would never want to go back.

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Roger Blake wrote:
On 2016-12-21, Andy wrote:
SSD'S have a proven history of going belly up over night with NO warning.
wont have one in my systems until that problem and a good advanced warning
system is standard with the drives

I've had that happen with mechanical drives as well. That's what backups
are for. I've been using SSDs for years now and would never want to go back.

Ditto. My three years old Seagate HDD died overnight with its click of
deaths a couple months ago.
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Ken Blake wrote:
On Tue, 20 Dec 2016 19:45:26 -0600, (Ant) wrote:

pjp wrote:
In article , lid
says...

Somebody I know needs a new system drive for their desktop PC.

I have always used 5400 RPM WD Reds and have had pretty good luck with
them, but I see that 7200 RPM Blues are about fifteen dollars cheaper -
but I have zero experience with Blues.

Would anybody care to comment on the tradeoffs?

I avoid 5400 RPM drives if possible, 7200 are always so much faster.

Me too. Wait, why do we have not faster HDD speeds? 7200 is like old.

We do, sort of. We have SSDs.

They're not HDs of course, but they are substitutes for them. And in
al probability, in only a few years, SSDs will have completely
replaced HDs.

I hope so. SSDs are still too expesnive for their huge sizes.
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On 12/20/2016 07:45 PM, Ant wrote:

[snip]

Me too. Wait, why do we have not faster HDD speeds? 7200 is like old.
LOL.


I thought there were some 10000 around, although I don't know of any
now. Maybe its too expensive to make them that fast.

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"Theology is the effort to explain the unknowable in terms of the not
worth knowing." -- H.L Mencken

Ant wrote:
Roger Blake wrote:
On 2016-12-21, Andy wrote:
SSD'S have a proven history of going belly up over night with NO warning.
wont have one in my systems until that problem and a good advanced warning
system is standard with the drives

I've had that happen with mechanical drives as well. That's what backups
are for. I've been using SSDs for years now and would never want to go back.

Ditto. My three years old Seagate HDD died overnight with its click of
deaths a couple months ago.

I bet you watch the hard drives more carefully now.

SMART helps a bit. But is not perfect.

A simple read benchmark over the surface of the drive,
gives some idea how healthy it is. You can spot a bad
patch of platter, before SMART reports the reallocations
associated with the bad patch.

I think hard drives have a slight edge on the degradation
topic. At least, as long as you're watching for signs
of trouble. If all you're doing is "listening for clicks"
that is too late in the process.

Paul

Mark Lloyd wrote:
On 12/20/2016 07:45 PM, Ant wrote:

[snip]

Me too. Wait, why do we have not faster HDD speeds? 7200 is like old.
LOL.


I thought there were some 10000 around, although I don't know of any
now. Maybe its too expensive to make them that fast.


The 10K may be dying out. AFAIK, only WDC made 10K drives,
the Raptor family.

The 15K drives are still around. Try Newegg.

And notice how low the capacity of the drives are.
900GB is a "big one". That's probably a 3-platter drive,
although I couldn't get a spec.

Paul

Seagate says it all ant i used to swear by them until they got bought out
now they are a so so drive.


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"Ant" wrote in message
...
Roger Blake wrote:
On 2016-12-21, Andy wrote:
SSD'S have a proven history of going belly up over night with NO
warning.
wont have one in my systems until that problem and a good advanced
warning
system is standard with the drives

I've had that happen with mechanical drives as well. That's what backups
are for. I've been using SSDs for years now and would never want to go
back.

Ditto. My three years old Seagate HDD died overnight with its click of
deaths a couple months ago.
--
Happy Holidays/Season's Greetings/Merry Christmas/Etc.
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En el artículo , Mark Lloyd
escribió:

I thought there were some 10000 around, although I don't know of any
now.

WD Velociraptor, current product.

http://products.wdc.com/library/?id=339&type=8

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Andy wrote:
Seagate says it all ant i used to swear by them until they got bought out
now they are a so so drive.

So, what are good brands these days?
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Western Digital Some Seagate products.
The Hitachi drives are the one HP seems to favor in its lap tops a drive i
stay away from.


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"Ant" wrote in message
...
Andy wrote:
Seagate says it all ant i used to swear by them until they got bought out
now they are a so so drive.

So, what are good brands these days?
--
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On Fri, 23 Dec 2016 02:48:29 -0500, "Andy" wrote:

Western Digital Some Seagate products.
The Hitachi drives are the one HP seems to favor in its lap tops a drive i
stay away from.

Some companies that use a lot of drives publish the measured
reliability

https://www.backblaze.com/blog/hard-...stats-q1-2016/

the long term stats tell you about the drive models they use

if you read the text they dont use bigger then 4T drives in volume at
present.
Stephen Hope
Replace xyz with ntl to reply

Andy wrote:
Western Digital Some Seagate products.

I hope WD Green and Blue are good since I am using them!
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Green is the eco friendly ones with the spin down if idle set up in the firm
ware.
Blue is the normal every day drive WITH OUT the eco friendly stuff


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"Ant" wrote in message
news
Andy wrote:
Western Digital Some Seagate products.

I hope WD Green and Blue are good since I am using them!
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