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Crucial MX500 SSD and momentum cache.

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devnulllore    33

I have 2 internal 2.5 Crucial MX500 SSDs. One for my OS and one for games. The Crucial software supports both over-provisioning and momentum caching. It seems however the caching is only supported on the OS drive. Does anyone know if I can enable it on my gaming drive. It certainly makes a difference as you can see by the numbers.

 

My OS Drive C: (with Momentum Cache)
-----------------------------------------------------------------------
CrystalDiskMark 6.0.2 x64 (C) 2007-2018 hiyohiyo
Crystal Dew World : https://crystalmark.info/
-----------------------------------------------------------------------
* MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s]
* KB = 1000 bytes, KiB = 1024 bytes

Sequential Read (Q= 32,T= 1) : 2241.405 MB/s
Sequential Write (Q= 32,T= 1) : 2129.786 MB/s
Random Read 4KiB (Q= 8,T= 8) : 737.249 MB/s [ 179992.4 IOPS]
Random Write 4KiB (Q= 8,T= 8) : 498.477 MB/s [ 121698.5 IOPS]

Test : 1024 MiB [C: 25.1% (52.5/209.6 GiB)] (x5) [Interval=5 sec]
Date : 2019/07/02 12:46:25
OS : Windows 10 Professional [10.0 Build 18362] (x64)

My Game Drive G: (without Momentum Cache)
-----------------------------------------------------------------------
CrystalDiskMark 6.0.2 x64 (C) 2007-2018 hiyohiyo
Crystal Dew World : https://crystalmark.info/
-----------------------------------------------------------------------
* MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s]
* KB = 1000 bytes, KiB = 1024 bytes

Sequential Read (Q= 32,T= 1) : 554.614 MB/s
Sequential Write (Q= 32,T= 1) : 495.352 MB/s
Random Read 4KiB (Q= 8,T= 8) : 313.773 MB/s [ 76604.7 IOPS]
Random Write 4KiB (Q= 8,T= 8) : 325.646 MB/s [ 79503.4 IOPS]

Test : 1024 MiB [G: 78.9% (165.3/209.6 GiB)] (x5) [Interval=5 sec]
Date : 2019/07/02 13:02:16
OS : Windows 10 Professional [10.0 Build 18362] (x64)

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Jim K    13,752

Per Crucial's FAQ...

 

"Enabling Momentum Cache is currently supported on the OS drive only."

 

I'm on my phone so can't go really in depth but I wouldn't use this (or Samsung's Rapid).  Your benchmarks might look great but in real world you probably won't know the difference. Also you have the potential for data loss, it wastes RAM (it's basically a RAM disk), etc.  Someone else can probably go further in depth of the concerns in using this "gimmick"

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devnulllore    33
30 minutes ago, Jim K said:

Per Crucial's FAQ...

 

"Enabling Momentum Cache is currently supported on the OS drive only."

 

I'm on my phone so can't go really in depth but I wouldn't use this (or Samsung's Rapid).  Your benchmarks might look great but in real world you probably won't know the difference. Also you have the potential for data loss, it wastes RAM (it's basically a RAM disk), etc.  Someone else can probably go further in depth of the concerns in using this "gimmick"

I was using Crucial's storage executive software. I did not know that about the cache but I did notice a difference at boot up and loading programs.

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