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should I be scared of used SSDs? - Page 4

post #31 of 36
Just picked up the OCZ Vertex 4 refurbished. Surprised it came in a nice factory box! Everything looked new! Only difference is a refirb sticker on the front.

This thing is amazing! So fast! Incredible!

Its unfortunate that my 3rd SSD in my ITX case has to be on a Sata II tho..bummer...
http://www.newegg.com/Product/Product.aspx?Item=N82E16820227977



I sure hope its lasts! haha

my guess is the firmware was bricked on the device. I had to reformat the device, partition it, and create a volume on it, it showed up as disc 0 in the computer manager...Wouldn't even show in my computer. I got it though!
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post #32 of 36
I'm not afraid of a used SSD almost every SSD I have has been bought used. And I don't own any Intel drives. lol
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post #33 of 36
I've been waiting for you to say this Sean, took long enough wink.gif

It's ironic how the honesty of the NAND/SSD manufactures has turned out to be a bad thing. The thing some consumer worry the most about, and put off many customers, is the fear of NAND wear out. OTOH, HDD manufactures have never supplied any specs regarding the life span of the products, besides the meaningless MTBF.

Such as, what is the life expectancy of the spindle motor and bearings of a HDD? How many start/stop cycles? How many actuator arm cycles from outside to in? How many times can the magnetic material be erased and magnetized again? I want to see some HDDs run through the same test that ExtremeSystems did on SSDs. I want to see an HDD hit a PetaByte... biggrin.gif

NAND is so conservatively under rated, and is likely the part that endures the least wear and tear on a SSD, compared to the controller, cache, and support components. We worry about nothing, and ignore what really matters.
post #34 of 36
Quote:
Originally Posted by parsec View Post

I've been waiting for you to say this Sean, took long enough wink.gif

It's ironic how the honesty of the NAND/SSD manufactures has turned out to be a bad thing. The thing some consumer worry the most about, and put off many customers, is the fear of NAND wear out. OTOH, HDD manufactures have never supplied any specs regarding the life span of the products, besides the meaningless MTBF.

Such as, what is the life expectancy of the spindle motor and bearings of a HDD? How many start/stop cycles? How many actuator arm cycles from outside to in? How many times can the magnetic material be erased and magnetized again? I want to see some HDDs run through the same test that ExtremeSystems did on SSDs. I want to see an HDD hit a PetaByte... biggrin.gif
128.9% truth parsec biggrin.gif
Yes i would also like to see that.
If is possible to do i have one 200GB Seagate.When i come home i would try it with Anvil.But how to know how much he did already.Will it act like SSD.
Anyway,at this moment we can say for sure that even TLC NAND based SSD are more reliable then HDD.
Also I would always buy used SSD from friend or even from somebody on forum,but like i said,never refurbished because they are expensive.
Edited by Unit Igor - 9/25/13 at 1:07am
post #35 of 36
Quote:
Originally Posted by parsec View Post

How many start/stop cycles?

This one, HDD manufacturers actually give out. I believe it's around 300,000 for most WD consumer drives and up to 600,000 in some WD enterprise drives. Seagate used to have 50,000 (Contact Start Stop) but recent drives are also rated for 300,000 (Ramp Loading). Frequent load/unload actually caused premature deaths in WD Green drives running under Linux. I believe it was eventually fixed with either a Linux kernel driver or WD firmware update.

Seriously, I'd love to see a comparison of annual failure rates between, say, a WD10EZEX and a Samsung 840/840 EVO 120GB. My guess, the WD10EZEX would have higher failure rates. WD and Samsung have these data (based on RMA), unfortunately, they're not exactly sharing.
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post #36 of 36
Given the amount of precision assembly going into HDDs and damage in transit, I would be amazed if an HDD model beat any SSD in terms of reliability. Is it better to keep the actuator arm loaded onto the platter for longevity in say a laptop? The Blue in my laptop unloads after 10 or so minutes of no use, though it is a laptop drive and is hopefully more durable, plus music means it needs to constantly access data so it won't park.
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