Prev: 156296 Answers to your Computer question! 73
Next: Problem 80 wire cable for hard disk
From: Flasherly on 26 Feb 2010 12:24
On Feb 26, 11:30 am, "Rod Speed" <rod.speed....(a)gmail.com> wrote:
> David Brown wrote
>
> > Man-wai Chang to The Door (24000bps) wrote
> >> Found such a toy in local computer shopping arcade.
> >> Is it gonna kill both hard disks by heat?
> > 2.5 inch disks usually generate a lot less heat than a 3.5 inch disk,
> > so my guess would be no.
> > I'm considering one of these, or perhaps 4x 2.5" in a 5.25" bay. Two
> > 2.5 inch 500 GB disks will be around twice the price of a single 3.5"
> > 1 TB disk, but as far as I can see they will be quieter and lower
> > power (even with two of them), and faster (using raid0).
>
> My Samsung 3.5" 1.5TB drives are completely silent, you have to
> listen very carefuly to see if they have spun up in a USB docking station.
>
> MUCH better value and speed too.

I like mine too, Samsung ecogreen 5400 1T. Value is median, quality
and reviews for Samsung are higher up to 1.5T. Above, 2T, only
Hitachi is going for the value -- 2T $134 rebated to a $110 1.5T
Samsung. 2T for pushing $200 with the rest will have to wait for
better values. May do another one after awhile, 1.5T WD's audiovisual
HD might be a choice, (possibly then a Hitachi after WD), although
with WD and XP that involves getting into WD's new 4K sector
alignment. Win7 is already implemented. For XP, not too major, more
difficult to actually understand, although WD does offer a couple easy
ways of going at it with, either their software or a XP-compatibility
jumperpin on the HD -- unless someone were regular type in server fare
with command line utilities (*nix) for adjusting large-drive
alignments. 4K sectors look to be the writing on the wall past 2T -
though 4K may not be the standard sector size until 2013-14.
From: Arno on 26 Feb 2010 21:22
"Man-wai Chang to The Door (24000bps)" <toylet.toylet(a)gmail.com> wrote:
> Found such a toy in local computer shopping arcade.

> Is it gonna kill both hard disks by heat?

Notebook drives: Unlikely.
Server drives: Likely.

Arno
--
Arno Wagner, Dr. sc. techn., Dipl. Inform., CISSP -- Email: arno(a)wagner.name
GnuPG: ID: 1E25338F FP: 0C30 5782 9D93 F785 E79C 0296 797F 6B50 1E25 338F
----
Cuddly UI's are the manifestation of wishful thinking. -- Dylan Evans
From: David Brown on 27 Feb 2010 06:45
Rod Speed wrote:
> David Brown wrote
>> Man-wai Chang to The Door (24000bps) wrote
>
>>> Found such a toy in local computer shopping arcade.
>
>>> Is it gonna kill both hard disks by heat?
>
>> 2.5 inch disks usually generate a lot less heat than a 3.5 inch disk,
>> so my guess would be no.
>
>> I'm considering one of these, or perhaps 4x 2.5" in a 5.25" bay. Two
>> 2.5 inch 500 GB disks will be around twice the price of a single 3.5"
>> 1 TB disk, but as far as I can see they will be quieter and lower
>> power (even with two of them), and faster (using raid0).
>
> My Samsung 3.5" 1.5TB drives are completely silent, you have to
> listen very carefuly to see if they have spun up in a USB docking station.
>

I haven't paid much attention to disk drive noise or power requirements
before, but I'm planning on having several drives on a new machine (to
play around with raid) and so the total drive noise is (perhaps) going
to be noticeable. It's useful to hear people's experiences with modern
drives - "completely silent" is more helpful than "2.5 Bel" on a web
page of drive specifications.

> MUCH better value and speed too.
>

There's no argument about value.

I had a look at some details of drives on Samsung's website, and was
somewhat surprised by some of the specification details. I had thought
that the seek time for 2.5" drives would be lower than for 3.5" drives
since the maximum movement distance is smaller. Apparently that's not
the case. And the disk-to-buffer transfer speed is almost twice as fast
for the 3.5" disks. It also seems that there is little difference in
the noise, although the the 3.5" disks take more than twice the power of
the 2.5" disks.

All in all, I think I'll be going for 3.5" disks. While 2.5" have the
potential for being faster in that you can fit more into a given space
and run them in parallel, it's just not going to be worth the money.


From: Man-wai Chang to The Door (24000bps) on 27 Feb 2010 09:17
> All in all, I think I'll be going for 3.5" disks. While 2.5" have the
> potential for being faster in that you can fit more into a given space
> and run them in parallel, it's just not going to be worth the money.

I guess we need to wait for 2.5-inch drives to get mass production.

--
@~@ Might, Courage, Vision, SINCERITY.
/ v \ Simplicity is Beauty! May the Force and Farce be with you!
/( _ )\ (x86_64 Ubuntu 9.10) Linux 2.6.32.8
^ ^ 22:17:01 up 4 days 5:46 0 users load average: 1.16 1.18 1.22
不借貸! 不詐騙! 不援交! 不打交! 不打劫! 不自殺! 請考慮綜援 (CSSA):
http://www.swd.gov.hk/tc/index/site_pubsvc/page_socsecu/sub_addressesa
From: Yousuf Khan on 27 Feb 2010 10:18
Arno wrote:
> "Man-wai Chang to The Door (24000bps)" <toylet.toylet(a)gmail.com> wrote:
>> Found such a toy in local computer shopping arcade.
>
>> Is it gonna kill both hard disks by heat?
>
> Notebook drives: Unlikely.
> Server drives: Likely.

I've had at least two notebook drives die of a heat death. One time it
was in one of those slim-line USB cases, and another time it was inside
a laptop itself.

Yousuf Khan
First  |  Prev  |  Next  |  Last
Pages: 1 2 3
Prev: 156296 Answers to your Computer question! 73
Next: Problem 80 wire cable for hard disk