Solved Has anyone done extensive research into long term data storage on an SSD?


So, let me clarify, because there seems to be some general confusion as what I am asking.

Suppose that buy a battery. That battery will have a shelf life. After x number of years, the battery will no longer be good because it very slowly over time depletes it's charge even though it is not connected to anything that draws power. This effect is known as "self discharge".

In very broad terms, an SSD works much the same. When you "write" data to an SSD you are placing a very tiny charge on memory cells. That's simply how an SSD stores data. The level of that charge can then later be read back to determine the contents of that memory cell. Over time, that charge will dissipate. Normally, this is not an issue so long as power is applied to the SSD on occasion.

My question was simply this: How long does power need to be applied to refresh all the data? Does it happen instantly when power is applied or does this happen only slowly over time as the controller performs tasks in the background?

I honestly don't think any normal end user can answer this unless they had very specific tools to test for that. I think the answer you seek will need to come from some engineer who's studied this.

All I can say as an end user is I've not seen any noticeable degradation of my drives in daily usage (I've got SSD drives in my systems going back to 2013). On the flipside I don't put them under stress tests in seeing how they still perform. I just use mine in a normal manner of any drive - read, write, move files around when needed.

The other thing I don't do is allow any of my drives to go beyond 70% (usually 60%) full. It's been said once an SSD goes past 70, it starts to slow down and become less efficient.

 

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  • OS
    Windows 11 Pro 23H2 (Build 22631.3296)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom built
    CPU
    Intel i9-9900K
    Motherboard
    Gigabyte Aorus Z390 Xtreme
    Memory
    32G (4x8) DDR4 Corsair RGB Dominator Platinum (3600Mhz)
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    Hard Drives
    5 Samsung SSD drives: 2X 970 NVME (512 & 1TB), 3X EVO SATA (2X 2TB, 1X 1TB)
    PSU
    EVGA Super Nova I000 G2 (1000 watt)
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    Cooler Master H500M
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    Corsair H115i RGB Platinum
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    Logitech Craft
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  • Operating System
    Win 10 Pro 22H2 (build 19045.2130)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom Built
    CPU
    Intel i7-7700K
    Motherboard
    Gigabyte GA-Z270X-GAMING 8
    Memory
    32G (4x8) DDR4 Corsair Dominator Platinum (3333Mhz)
    Graphics card(s)
    AMD Radeon R9 Fury
    Sound Card
    Onboard (Creative Sound Blaster certified ZxRi)
    Monitor(s) Displays
    Dell U2415 (24 inch)
    Screen Resolution
    1920 x 1200
    Hard Drives
    3 Samsung SSD drives: 1x 512gig 950 NVMe drive (OS drive), 1 x 512gig 850 Pro, 1x 256gig 840 Pro.
    PSU
    EVGA Super Nova 1000 P2 (1000 watt)
    Case
    Phantek Enthoo Luxe
    Cooling
    Corsair H100i
    Mouse
    Logitech MX Master
    Keyboard
    Logitech MK 710
    Internet Speed
    100MB
    Browser
    Edge Chromium
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    Windows Security
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    This is my backup system.
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