SSD Temperature Late 2013 27" iMac

Question

SSD Temperature Late 2013 27" iMac

Just ran diskwarrior and these are the results for my SSD:

Starting new test on...

Device: APPLE SSD SD0128F

Serial Number: 1339A1400964

Type: SATA Device

When: Wed Apr 1 15:12:16 PDT 2015

The hard drive's built-in temperature sensor indicates an above normal temperature of 147.2 F (64 C), this might indicate a failure or pending failure that could result in loss of data.

Test completed.

Starting new test on...

Device: APPLE HDD ST1000DM003

Serial Number: S1DF0MF2

Type: SATA Device

When: Wed Apr 1 15:12:26 PDT 2015

This hard drive's built-in S.M.A.R.T. diagnostics indicate the drive is functioning normally.

Test completed.

Is something wrong with my SSD?

Posted on Apr 1, 2015 3:16 PM

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Answer 1

Kappy

Level 10

361,741 points

Apr 1, 2015 3:22 PM in response to Evan Robinson

No. There is no meaningful SMART status for SSDs. Furthermore, the message refers to a "hard drive" not an SSD.

However, I'd say that temperature was on the high side suggesting the SSD may not be cooled properly. That assumes the measurement is reliable.

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Answer 2

Apr 1, 2015 3:53 PM in response to Kappy

I should have mentioned that I only was referring to the temperature, oops. Are the temperature sensors not reliable in these SSDs? Do you know the correct operating range for this SSD? Maybe I need to take a trip to the apple store.

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Answer 3

Rudegar

Level 10

170,814 points

Apr 1, 2015 5:02 PM in response to Evan Robinson

ssd don't have moving parts and typical use much much much less power then normal harddisks

and to produce heat power is required so by definition is ssd's are hot they are being heated by an external source

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Answer 4

Apr 1, 2015 5:32 PM in response to Rudegar

Basically any electronic OR mechanical process produces heat, unless it's a chemical endothermic process... otherwise it would defy thermodynamics lol. Anyway, SSD's aren't hot because other components are heating them, although that does add to their temperature. They heat themselves just fine on their own. Here is a picture of my current temps:

That's around 61 deg C, so a little better now. I believe my iMac has a 128GB SSD by Samsung, which lists a max operating temp of 70 deg C, so I guess I'm technically in range in that case.

Also, the SMART status was referencing the standard hard disk that is part of the fusion drive on the iMac.

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