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SSD and disc defrag

Hopper64
Level 15

‎04-19-2014 12:44 PM - last edited on ‎03-05-2024 11:17 PM by Community Admin

I have my Samsung 840 Pro with the Magician software set to maximum performance. I assumed this would deactivate disc defrag, but I just checked in Windows 8.1 and it looks like it's on. Does disc defrag need to be off with an SSD? Thanks.
MZ790A Bios 2002, GSkill F5-8000J3848H16GX2-TZRK, 13900KS, EKWB D5 TBE 300, Seasonic Prime TX-1600 ATX 3.0, Asus Strix 4090 w/ Optimus block, Phanteks Enthoo Elite, Asus Claymore 2, Asus Gladius 3, Asus XG349C, Samsung 990, Windows 11 Pro
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Undesirable
Level 7

‎04-19-2014 12:55 PM

Windows 7 & 8 will not defrag SSDs by default, however Windows 8 will 'optimize' SSDs by sending TRIM commands to them via Disk Defragmenter (Windows 7 Disk Defragmenter doesn't have this feature) but in both operating systems, SSDs are not defragmented automatically.
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Myk_SilentShado
Level 15

‎04-19-2014 07:03 PM

Have you run Windows Experience Index? this is one of the ways that can force Windows to disable defragging.
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MeanMachine
Level 13
In response to Myk_SilentShado

‎04-19-2014 07:10 PM

Myk SilentShadow wrote:
Have you run Windows Experience Index? this is one of the ways that can force Windows to disable defragging.


Good Morning Myk, Not wishing to hog the thread but I have not been able to run WEI, for some reason nothing happens when I try to activate it. Any sudgestion?
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Myk_SilentShado
Level 15
In response to MeanMachine

‎04-19-2014 07:32 PM

MeanMachine wrote:
Good Morning Myk, Not wishing to hog the thread but I have not been able to run WEI, for some reason nothing happens when I try to activate it. Any sudgestion?


Start up your own thread mate and we'll get ya sorted 🙂
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Hopper64
Level 15
In response to Myk_SilentShado

‎04-19-2014 08:05 PM

BTW-I haven't used WEI since migrating to windows 8. Question how significant it is. ??
MZ790A Bios 2002, GSkill F5-8000J3848H16GX2-TZRK, 13900KS, EKWB D5 TBE 300, Seasonic Prime TX-1600 ATX 3.0, Asus Strix 4090 w/ Optimus block, Phanteks Enthoo Elite, Asus Claymore 2, Asus Gladius 3, Asus XG349C, Samsung 990, Windows 11 Pro
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Myk_SilentShado
Level 15
In response to Hopper64

‎04-19-2014 08:40 PM

Hopper64 wrote:
BTW-I haven't used WEI since migrating to windows 8. Question how significant it is. ??


Honestly, it's not really that significant. And unless things have changed from Windows 7, it's best use is to force Windows into realizing you've got an SSD installed and it auto disables Defrag and enables TRIM(I'm guessing this part).
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Hopper64
Level 15

‎04-19-2014 08:02 PM

Thanks for the replies. I guess it's the trim command being passed to the SSD per Undesirable. I haven't changed anything. Appreciate the insight.
MZ790A Bios 2002, GSkill F5-8000J3848H16GX2-TZRK, 13900KS, EKWB D5 TBE 300, Seasonic Prime TX-1600 ATX 3.0, Asus Strix 4090 w/ Optimus block, Phanteks Enthoo Elite, Asus Claymore 2, Asus Gladius 3, Asus XG349C, Samsung 990, Windows 11 Pro
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Hopper64
Level 15

‎04-20-2014 05:30 PM

I don't think windows 8 needs to be forced to recognize the SSD. I just checked the defrag and optimization option in administrative tools and the SSD is being detected accordingly. The only option available is to optimize suggesting the trim operation. I don't think anything needs to be done. The trim command appears to be passed on to the SSD.
MZ790A Bios 2002, GSkill F5-8000J3848H16GX2-TZRK, 13900KS, EKWB D5 TBE 300, Seasonic Prime TX-1600 ATX 3.0, Asus Strix 4090 w/ Optimus block, Phanteks Enthoo Elite, Asus Claymore 2, Asus Gladius 3, Asus XG349C, Samsung 990, Windows 11 Pro
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deeppow
Level 7
In response to Hopper64

‎04-21-2014 11:08 AM

Originally the SSD knowledge base said not to defrag a SSD since the memory chips had a limited number of writes to them and defraging did move the data and thus rewrite to the memory. So you only wanted to just TRIM (remove/delete) the old data or reference to it.

So as others noted above, Win 7 and now 8 have different behavior (capabilities) related to SSDs due to the evolution of both the SSD and the OSs. Today, the evolution of SSDs may have extended their read/write lifetime to the point most of us don't keep them long enough to reach their end-of-life. While that may or may not be true, the TRIM operation (automatic or manual) is still a good application to employ.
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