HELP please .. my newly bought SSD M.2 SAMSUNG 990 PRO keeps disconnecting with no reason or faliures


samurai_X said:
ill consider this .. although it gave me a warning of " ruining warranty etc " thing when i tried to enable it
is that even safe ??
will it really ruin warranty thing ??
and just by reading some of the discriptions .. why would the SSD even go to " idle or sleep " mode when i am playing using it ?
Click to expand...
Full power mode will cause the drive to heat up quickly
 

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Something will be in

1.webp

and S.M.A.R.T
 

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glasskuter said:
If you mean change disk mode from RAID to AHCI in bios , no you can not just arbitrarily change it. Doing so results in BSOD. There is a special procedure for if one does not want to use IRST drivers on a working system that is set up with disk mode of RAID.
Click to expand...
The O.P. did not say anything about using RAID setup. But thanks for correcting me. My bad. The O.P. may be using RAID mode but have forgotten to mention it. Regards
 

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glasskuter said:
In the US, the listings tell you. I'm always very careful to buy only things "sold by Amazon" "Ships from Amazon". It may not be the same where you are.
I know Amazon will fully back this sale and gives a 30 day guarantee. After that you have to deal with the manufacturer warranty.
For example these screenshots were taken from 3 different 990 Pro 4gb that I found o Anazon here
View attachment 140933
Some things will say "Sold by xxxxx" "ships from Amazon" .

View attachment 140935
Others will say "sold by xxxx" "ships from xxxx"

View attachment 140934
In both these 2 cases any problem you have with the sale is between you and the seller.
Click to expand...
yeah am doing same thing .. i never buy from a seller in amazon unless its something unavailable elsewhere
i bought mine from amazon sold and bought from amazon UK
 

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    Asus z790
glasskuter said:
I'm always very careful to buy only things "sold by Amazon" "Ships from Amazon".
Click to expand...

I agree! if it doesn't say, sold by Amazon and ships from Amazon, I don't buy it.
 

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samurai_X said:
ill consider this .. although it gave me a warning of " ruining warranty etc " thing when i tried to enable it
is that even safe ??
will it really ruin warranty thing ??
and just by reading some of the discriptions .. why would the SSD even go to " idle or sleep " mode when i am playing using it ?
Click to expand...
I haven't had any problems since doing that..
the main issue is probably a firmware bug.. or hardware design defect..
 

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    AMD Ryzen 9 3900X 12-Core/24-threads
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    Asus PRIME X570-PRO (BIOS_r5044 [01/04/2026])
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    2TB Samsung 980 Pro (NVMe)(SSD)
    4TB Samsung 990 Pro (NVMe)(SSD)
    2TB Samsung 870 EVO (SSD)

    NVMe 2TB
    -- OS(Win11 Pro x64),
    -- programs,
    -- programming(MS Visual Studios 2022 Community Ed.),
    -- music

    NVMe 4TB
    video game installs.

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    DELL G15 Ryzen edition, model 5515
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    AMD Ryzen 7 5800H
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I kinda lost a little confidence on Samsung drives after the fiasco with the 1/2 TB 980 Pro drives where the drive life was going down quickly. Took them months to fix(not actually repair) the issue via a firmware update. In your case this could be a drive firmware issue or a motherboard issue with how it integrates with the drive itself. As mentioned about VMD, I assume you have that turned off?

Which Storage Controller are you using? "Standard NVM Express Controller" ?
 

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RD Mercer said:
Probably related to Intel's VMD (Volume Management Device). I'm not the guru here on Intel's processors, but from what I understand, the M.2 now or have been for a while, connecting directly to the processors. Maybe someway somehow a bottleneck is being created, maybe you might need to install a raid driver. All of this is just a guess, hopefully someone will come along that has experienced your same issue.
Click to expand...
No.
wiganken said:
Amazon is a marketplace and not all vendors are trustworthy. Did you buy it from a reputable vendor via Amazon or some Chinese vendor via Amazon?
A reputable vendor may offer to send you a replacement.
Click to expand...
That's far more likely than the above.

samurai_X said:
although i can still get into the SSD menus and check the games inside it and game still there but for some reason unable to be read from the SSD
Click to expand...
That makes no sense. If you can see the games, you're reading the SSD.

suatcini54 said:
You seem to have done everything regarding your NVMe SSDs but did you update BIOS firmware ? There is an update in May 2025.

Also refer to this article from AOMEI for a solution: NVMe SSD Keeps Disconnecting? 5 Ways to Fix It Now

Hope this helps.
Click to expand...
There are 5 things in that linked article above more likely than some of the suggestions posted here....

🔸Loose or improperly seated connections: Even a slightly unseated drive can cause NVMe SSD disconnections.
🔸Thermal throttling or overheating: NVMe drives are fast, and they get hot. Without proper cooling, they can overheat, leading to sudden drops in performance or NVMe SSD suddenly not detected. (very likely)
🔸Driver issues: Outdated or corrupted NVMe controller drivers can interfere with consistent communication between your SSD and system.
🔸Outdated BIOS firmware: Your motherboard firmware may not fully support newer NVMe drives, causing external SSD disconnects randomly issue.
Click to expand...
Suggest you check for all. Especially heating. Unfortunately these drives get hot and if not properly cooled can throttle.

BTW, I have 4 Samsung NVMe drives (also an SSD) in my system, including a couple of 4TB drives, none disconnect. None require "Full Performance" mode in Samsung Magician to work.

Samsung Magician.webp

With all that said, where is the OP installing the NVMe drives? On the board or using the ROG Hyper M.2 card holder for their board?
 

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Melchior said:
I haven't had any problems since doing that..
the main issue is probably a firmware bug.. or hardware design defect..
Click to expand...
if it is a defect or a bug ... i dont see how would that affect BOTH 990s " while " my 980 still kiciking like a boss .. couldnt a be a coincedence .. and i am really looking for other SSDs now but dont know which to choose
 

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  • OS
    windows 11
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    Asus z790
Higher temps do appear to be the case.. sadly..
1753985227738.webp
 

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    AMD Ryzen 9 3900X 12-Core/24-threads
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    Asus PRIME X570-PRO (BIOS_r5044 [01/04/2026])
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    Realtek® ALC1220A 8-Channel High Definition Audio CODEC
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    24" DELL Gaming Monitor - G2422HS - DisplayPort used
    Screen Resolution
    1920x1080p at 165Hz (16:9 Aspect Ratio)
    Hard Drives
    2TB Samsung 980 Pro (NVMe)(SSD)
    4TB Samsung 990 Pro (NVMe)(SSD)
    2TB Samsung 870 EVO (SSD)

    NVMe 2TB
    -- OS(Win11 Pro x64),
    -- programs,
    -- programming(MS Visual Studios 2022 Community Ed.),
    -- music

    NVMe 4TB
    video game installs.

    #3 FILE Server!
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    Intel LAN Drivers: (v14.01.24.00)(2025-10-03)
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    Manufacturer/Model
    DELL G15 Ryzen edition, model 5515
    CPU
    AMD Ryzen 7 5800H
    Motherboard
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    32GB GSkill DDR4 2x 16GB sticks
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BamaInArk said:
I kinda lost a little confidence on Samsung drives after the fiasco with the 1/2 TB 980 Pro drives where the drive life was going down quickly. Took them months to fix(not actually repair) the issue via a firmware update. In your case this could be a drive firmware issue or a motherboard issue with how it integrates with the drive itself. As mentioned about VMD, I assume you have that turned off?

Which Storage Controller are you using? "Standard NVM Express Controller" ?
Click to expand...
i cant tell much ... i am the kind of " Plug and play " player .. never went deep into " fixing .. doing alternative solutions etc " and i never had any issues
its just this problem that just opened my eyes about brand new page of issues
i really want the LEAST problematic SSDs .. ill not do this mistake again
 

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    Motherboard
    Asus z790

Attachments

  • heat page.webp
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samurai_X said:
if it is a defect or a bug ... i dont see how would that affect BOTH 990s " while " my 980 still kiciking like a boss .. couldnt a be a coincedence .. and i am really looking for other SSDs now but dont know which to choose
Click to expand...
my 980 PRO is not acting up either...
that is why I suspect issues with the design and/or a firmware bug... of the 990 PRO.
 

My Computers

System One System Two

  • OS
    Windows 11 Pro (x64)(v25H2)(26200.8524)
    Computer type
    PC/Desktop
    Manufacturer/Model
    [Self-built](custom-build)(June 2020)
    CPU
    AMD Ryzen 9 3900X 12-Core/24-threads
    Motherboard
    Asus PRIME X570-PRO (BIOS_r5044 [01/04/2026])
    Memory
    64GB, 2x G.Skill 32GB (PC3200)(DDR4-2137)
    Graphics Card(s)
    ASUS PRIME GeForce RTX 5070 12GB OC Edition, GPU by NVIDIA.
    Sound Card
    Realtek® ALC1220A 8-Channel High Definition Audio CODEC
    Monitor(s) Displays
    24" DELL Gaming Monitor - G2422HS - DisplayPort used
    Screen Resolution
    1920x1080p at 165Hz (16:9 Aspect Ratio)
    Hard Drives
    2TB Samsung 980 Pro (NVMe)(SSD)
    4TB Samsung 990 Pro (NVMe)(SSD)
    2TB Samsung 870 EVO (SSD)

    NVMe 2TB
    -- OS(Win11 Pro x64),
    -- programs,
    -- programming(MS Visual Studios 2022 Community Ed.),
    -- music

    NVMe 4TB
    video game installs.

    #3 FILE Server!
    PSU
    Thermaltake TOUGHPOWER DPS G RGB Titanium Certified 1250Watt
    Case
    Corsair Graphite Series 780T Full Tower PC Case
    Cooling
    AMD Wraith cooler (stock) & 3x Corsair case fans
    Keyboard
    Redragon K580 VATA RGB LED Backlit Mechanical Gaming Keyboard (brown switches).
    Mouse
    Redragon M602 RGB Wired USB Gaming mouse
    Internet Speed
    2,100Mbps Download, 300Mbps Upload
    Browser
    Firefox & Google Chrome
    Antivirus
    n/a aka "ABOVE TOP SECRET!" lol ;)
    Other Info
    My System is the ULTIMATE GAMING RIG ^_^
    TP-Link BE9300 Tri-Band Wi-Fi 7 Wireless 2.5Gigabit Router
    Model Archer BE550 (v1.0)
    Arris S34 Cable Modem
    Nvidia GFX Drivers: (v596.49)
    Realtek UAD Drivers: (v6.0.9977.1)
    Realtek LAN Drivers:(v1125.29.50.202)(2026-04-19)
    Intel LAN Drivers: (v14.01.24.00)(2025-10-03)
  • Operating System
    Windows 11 Pro x64
    Computer type
    Laptop
    Manufacturer/Model
    DELL G15 Ryzen edition, model 5515
    CPU
    AMD Ryzen 7 5800H
    Motherboard
    DELL G15 Ryzen edition
    Memory
    32GB GSkill DDR4 2x 16GB sticks
    Graphics card(s)
    Ryzen 7 5800H integrated AMD Radeon Graphics and Nvidia GeForce 3060 6GB
    Sound Card
    Realtek ALC3254 with Nahimic 3D Audio for Gamers
    Monitor(s) Displays
    built-in
    Screen Resolution
    1920x1080
    Hard Drives
    512GB NVMe SSD, 1TB Samsung 970 EVO NVMe SSD
    PSU
    unknown
    Case
    laptop
    Keyboard
    built-in
    Mouse
    Logitech B100 USB
    Internet Speed
    2,100Mbps download, 300Mbps upload
    Browser
    Firefox & Google Chrome
Dru2 said:
No.

That's far more likely than the above.


That makes no sense. If you can see the games, you're reading the SSD.


There are 5 things in that linked article above more likely than some of the suggestions posted here....


Suggest you check for all. Especially heating. Unfortunately these drives get hot and if not properly cooled can throttle.

BTW, I have 4 Samsung NVMe drives (also an SSD) in my system, including a couple of 4TB drives, none disconnect. None require "Full Performance" mode in Samsung Magician to work.

View attachment 140976

With all that said, where is the OP installing the NVMe drives? On the board or using the ROG Hyper M.2 card holder for their board?
Click to expand...

thanks for the reply .. well .. about the Discoonecting .. i didnt mean it Disappears .. it never did
its just " NOT able " to do anything related to the SSD
i can move files from it or to it
i cant play the games in it " i keep getting reading and writig errors in steam "
even if i try the excutable of any game
i cant do anything at all ..
the only invalid solution i saw working is .. clean power turn off .. unplug .. wait 5 minutes .. turn on and pray that it could work randomly for the next 30 minutes of 1 hour best with no issues

and No .. They are directly connected to the motherboard directly .. no Hyper thing attached to the motherboard

here is a screen shot of the temps of both SSDs on idle state " i mean no gaming or doing anything "
 

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My Computer

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    windows 11
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    Corsair
    CPU
    14900k
    Motherboard
    Asus z790
Melchior said:
my 980 PRO is not acting up either...
that is why I suspect issues with the design and/or a firmware bug... of the 990 PRO.
Click to expand...
same here .. sad thing is .. i trusted samsung in all my Storage
i have over 4 SSDs .. 1 980 for C drive .. 2 990s for games .. 1 860 Slim SSD for editing programms .. the old ones never failed me
ill try to find other brands for my next SSDs since samsing lost my trust now
 

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  • OS
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    Manufacturer/Model
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    CPU
    14900k
    Motherboard
    Asus z790
samurai_X said:
here is my screen shot from SAMSUNG MAGIC app
43-45 on idle on both .. no gaming
goes up to 55 while gaming

thatn normal ?
Click to expand...
yes it appears both your 4TB 990 PRO and mine are idling at the same temperatures..
43°C or 109°F
 

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  • OS
    Windows 11 Pro (x64)(v25H2)(26200.8524)
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    PC/Desktop
    Manufacturer/Model
    [Self-built](custom-build)(June 2020)
    CPU
    AMD Ryzen 9 3900X 12-Core/24-threads
    Motherboard
    Asus PRIME X570-PRO (BIOS_r5044 [01/04/2026])
    Memory
    64GB, 2x G.Skill 32GB (PC3200)(DDR4-2137)
    Graphics Card(s)
    ASUS PRIME GeForce RTX 5070 12GB OC Edition, GPU by NVIDIA.
    Sound Card
    Realtek® ALC1220A 8-Channel High Definition Audio CODEC
    Monitor(s) Displays
    24" DELL Gaming Monitor - G2422HS - DisplayPort used
    Screen Resolution
    1920x1080p at 165Hz (16:9 Aspect Ratio)
    Hard Drives
    2TB Samsung 980 Pro (NVMe)(SSD)
    4TB Samsung 990 Pro (NVMe)(SSD)
    2TB Samsung 870 EVO (SSD)

    NVMe 2TB
    -- OS(Win11 Pro x64),
    -- programs,
    -- programming(MS Visual Studios 2022 Community Ed.),
    -- music

    NVMe 4TB
    video game installs.

    #3 FILE Server!
    PSU
    Thermaltake TOUGHPOWER DPS G RGB Titanium Certified 1250Watt
    Case
    Corsair Graphite Series 780T Full Tower PC Case
    Cooling
    AMD Wraith cooler (stock) & 3x Corsair case fans
    Keyboard
    Redragon K580 VATA RGB LED Backlit Mechanical Gaming Keyboard (brown switches).
    Mouse
    Redragon M602 RGB Wired USB Gaming mouse
    Internet Speed
    2,100Mbps Download, 300Mbps Upload
    Browser
    Firefox & Google Chrome
    Antivirus
    n/a aka "ABOVE TOP SECRET!" lol ;)
    Other Info
    My System is the ULTIMATE GAMING RIG ^_^
    TP-Link BE9300 Tri-Band Wi-Fi 7 Wireless 2.5Gigabit Router
    Model Archer BE550 (v1.0)
    Arris S34 Cable Modem
    Nvidia GFX Drivers: (v596.49)
    Realtek UAD Drivers: (v6.0.9977.1)
    Realtek LAN Drivers:(v1125.29.50.202)(2026-04-19)
    Intel LAN Drivers: (v14.01.24.00)(2025-10-03)
  • Operating System
    Windows 11 Pro x64
    Computer type
    Laptop
    Manufacturer/Model
    DELL G15 Ryzen edition, model 5515
    CPU
    AMD Ryzen 7 5800H
    Motherboard
    DELL G15 Ryzen edition
    Memory
    32GB GSkill DDR4 2x 16GB sticks
    Graphics card(s)
    Ryzen 7 5800H integrated AMD Radeon Graphics and Nvidia GeForce 3060 6GB
    Sound Card
    Realtek ALC3254 with Nahimic 3D Audio for Gamers
    Monitor(s) Displays
    built-in
    Screen Resolution
    1920x1080
    Hard Drives
    512GB NVMe SSD, 1TB Samsung 970 EVO NVMe SSD
    PSU
    unknown
    Case
    laptop
    Keyboard
    built-in
    Mouse
    Logitech B100 USB
    Internet Speed
    2,100Mbps download, 300Mbps upload
    Browser
    Firefox & Google Chrome
samurai_X said:
Thanks for clearifying that .. didnt find much info about it
Click to expand...
Yes I tested Full perf mode before and found the temps were too high
 

My Computer

System One

  • OS
    Windows 11 Pro 25H2 (RP channel)
    Computer type
    PC/Desktop
    Manufacturer/Model
    MSI
    CPU
    AMD Ryzen 7 9800X3D 8-core
    Motherboard
    MEG X870E Godlike
    Memory
    64GB Corsair Titanium 6000/CL30
    Graphics Card(s)
    MSI Suprim 5080 SOC
    Sound Card
    Soundblaster AE-9
    Monitor(s) Displays
    ASUS TUF Gaming VG289Q
    Screen Resolution
    3840x2160
    Hard Drives
    Samsung 9100 Pro 4TB (gen 5 x4, system drive/games)
    Samsung 990 Pro 2TB
    Samsung 980 Pro 2TB
    Samsung 870 Evo 4TB
    Samsung 870 Evo 2TB
    Samsung T9 4TB
    PSU
    Seasonic PX-2200
    Case
    Bequiet! Dark Base Pro 901
    Cooling
    Noctua NH-D15S Chromax black
    Keyboard
    Logitech G915 X (wired)
    Mouse
    Logitech G903 with PowerPlay charger
    Internet Speed
    900Mb/sec
    Browser
    Microsoft Edge
    Antivirus
    Windows Defender

My Computer

System One

  • OS
    Windows 11 Pro 25H2 (RP channel)
    Computer type
    PC/Desktop
    Manufacturer/Model
    MSI
    CPU
    AMD Ryzen 7 9800X3D 8-core
    Motherboard
    MEG X870E Godlike
    Memory
    64GB Corsair Titanium 6000/CL30
    Graphics Card(s)
    MSI Suprim 5080 SOC
    Sound Card
    Soundblaster AE-9
    Monitor(s) Displays
    ASUS TUF Gaming VG289Q
    Screen Resolution
    3840x2160
    Hard Drives
    Samsung 9100 Pro 4TB (gen 5 x4, system drive/games)
    Samsung 990 Pro 2TB
    Samsung 980 Pro 2TB
    Samsung 870 Evo 4TB
    Samsung 870 Evo 2TB
    Samsung T9 4TB
    PSU
    Seasonic PX-2200
    Case
    Bequiet! Dark Base Pro 901
    Cooling
    Noctua NH-D15S Chromax black
    Keyboard
    Logitech G915 X (wired)
    Mouse
    Logitech G903 with PowerPlay charger
    Internet Speed
    900Mb/sec
    Browser
    Microsoft Edge
    Antivirus
    Windows Defender
I have a 990 Pro, originally as a system drive but now as storage.
I've never had any problems with it. Firmware is up to date.
 

My Computer

System One

  • OS
    Windows 11 Pro 25H2 (RP channel)
    Computer type
    PC/Desktop
    Manufacturer/Model
    MSI
    CPU
    AMD Ryzen 7 9800X3D 8-core
    Motherboard
    MEG X870E Godlike
    Memory
    64GB Corsair Titanium 6000/CL30
    Graphics Card(s)
    MSI Suprim 5080 SOC
    Sound Card
    Soundblaster AE-9
    Monitor(s) Displays
    ASUS TUF Gaming VG289Q
    Screen Resolution
    3840x2160
    Hard Drives
    Samsung 9100 Pro 4TB (gen 5 x4, system drive/games)
    Samsung 990 Pro 2TB
    Samsung 980 Pro 2TB
    Samsung 870 Evo 4TB
    Samsung 870 Evo 2TB
    Samsung T9 4TB
    PSU
    Seasonic PX-2200
    Case
    Bequiet! Dark Base Pro 901
    Cooling
    Noctua NH-D15S Chromax black
    Keyboard
    Logitech G915 X (wired)
    Mouse
    Logitech G903 with PowerPlay charger
    Internet Speed
    900Mb/sec
    Browser
    Microsoft Edge
    Antivirus
    Windows Defender
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