Any difference between these 2 models of Samsung 990 Pro 2TB SSD?


james_uk

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Hi, I am looking at buying the 2TB version of the Samsung 990 Pro.

There are 2 listings on Amazon, which show the same 2TB drive but with slightly different model numbers and also about a £20 difference in price.

The model numbers and links are:

V9P2T0B/AM​

MZ-V9P2T0BW​


Does anyone know if there is any difference between them, and if I am better getting a particular one?
James
 

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Hi, I am looking at buying the 2TB version of the Samsung 990 Pro.

There are 2 listings on Amazon, which show the same 2TB drive but with slightly different model numbers and also about a £20 difference in price.

The model numbers and links are:

V9P2T0B/AM​

MZ-V9P2T0BW​


Does anyone know if there is any difference between them, and if I am better getting a particular one?
James
No idea, different production/sales areas? The BW model is the one Amazon UK are selling, personally I would order it direct from them

 

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During a shortage of chips, Samsung created an analogue chipset "/AM" that includes rare earth metals that are different from the original.
In terms of performance, Samsung makes sure that they are the same.
So it most likely depends on when or from which country the seller bought the stock depending on the stock available at the time of purchase.
 

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    ...Where's my horse?
During a shortage of chips, Samsung created an analogue chipset "/AM" that includes rare earth metals that are different from the original.
In terms of performance, Samsung makes sure that they are the same.
Samsung's own spec sheet has the one set of specs covering both model codes.

1718273713975.png

Edit: There is an alternative explanation for the model codes, that of packaging and warranty, B/AM is for the Americas market and BW is worldwide.

The BW code means the drive ships in a retail box with worldwide warranty, B/AM means retail box for the Americas region, E means an OEM (usually white box) drive which may come without a warranty.
 
Last edited:

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It appears the MZ-V9P2T0B/AM version had an older controller/firmware with some problems.

So the second one is presumably the latest where that has been fixed with new controller/firmware.


Obviously do your own checks. 8 Months ago the 980/990 Pro was off my purchase options.
 

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It appears the MZ-V9P2T0B/AM version had an older controller/firmware with some problems.

So the second one is presumably the latest where that has been fixed with new controller/firmware.


Obviously do your own checks. 8 Months ago the 980/990 Pro was off my purchase options.

As much as this may be true, they fixed the issue with Firmware update 1B2QJXD7. There would only be an issue with stock bought before this flaw was recognized, after discovering the flaw, they continued to sell the same model. The same model was sold with an updated firmware.

The model name difference is not as a result of this.
 

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  • Windows 11 Pro 25H2 Build 26200.9168 (Wifes)

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    Processor: Intel® Core™ Ultra 7 155H Processor(Core™ Ultra 7 155H)

    Memory: 32GB LPD5X-7467

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    Ports: 1 x HDMI 2.1 TMDS; 1 x Novo Button; 1 x Combo Audio Jack
    2 x USB-C (USB 4.0)
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    Camera: 1080P FHD IR Hybrid with Dual Microphone

    Graphics: Intel® Arc™ Graphics

    Monitor: 14" 2.8K

    ...Where's my horse?
It appears the MZ-V9P2T0B/AM version had an older controller/firmware with some problems.
While that was true, the B/AM code has nothing to do with that. It is solely a regional packaging/warranty code for the Americas region. It has been used by Samsung for years now, here's an example for the 850 EVO from 2018.

 

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    AMD Athlon Silver 3050U
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    8GB
    Graphics Card(s)
    Radeon Graphics
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    laptop screen
    Screen Resolution
    1366x768 native resolution, up to 2560x1440 with Radeon Virtual Super Resolution
    Hard Drives
    1TB Samsung EVO 870 SSD (from April 2026: 250GB EVO 850)
    Internet Speed
    150 Mbps
    Browser
    Edge, Firefox
    Antivirus
    Defender
    Other Info
    UPDATE - 11 April 2026: due to lid hinges starting to break up this laptop has been retired from active duty. The OS with all software and files has been migrated to my System Seven in 'Other systems' to carry on as my general purpose 'main machine'.

    I've now clean installed 25H2 and used Garlin's scripts to update Secure Boot to CA 2023 and revoke the PCA 2011 certificates. It's new role is to test secure boot issues.

    Info for 2021-2026:
    fully 'Windows 11 ready' laptop. Windows 10 C: partition migrated from my old unsupported 'main machine' then upgraded to 11. A test migration ran Insider builds for 2 months. When 11 was released on 5th October 2021 it was re-imaged back to 10 and was offered the upgrade in Windows Update on 20th October. Windows Update offered the 22H2 Feature Update on 20th September 2022. It got the 23H2 Feature Update on 4th November 2023 through Windows Update, 24H2 on 3rd October 2024 through Windows Update by setting the Target Release Version for 24H2, and 25H2 on 30th September 2025 through Windows Update by setting the Target Release Version for 25H2.
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    unsupported machine: Legacy bios, MBR, TPM 1.2, upgraded from W10 to W11 using W10/W11 hybrid install media workaround.

    In-place upgrade to 22H2 using ISO and a workaround.
    Feature Update to 23H2 by manually installing the Enablement Package.
    In-place upgrade to 24H2 using hybrid 23H2/24H2 install media.
    Upgraded to 25H2 by Enablement Package.

    Also running Insider Experimental 263xx and 29xxx builds and Windows 10 as native boot .vhdx.
  • My SYSTEM THREE is a Dell Latitude 5410, i7-10610U, 32GB RAM, 512GB NVMe ssd, supported device running Windows 11 Pro.

    My SYSTEM FOUR was a 2-in-1 convertible Lenovo Yoga 11e (1st gen) type 20DA, Celeron N2930, 8GB RAM, 256GB ssd. Unsupported device. This has now been sold. It has been replaced by my System Eight.

    My SYSTEM FIVE is a Dell Latitude 3190 2-in-1, Pentium Silver N5030, 8GB RAM, 1TB NVMe ssd, supported device running Windows 11 Pro, plus Insider Beta, Experimental 263xx and 29xxx builds (and a few others) as a native boot .vhdx.

    My SYSTEM SIX is a Dell Latitude 5550, Core Ultra 7 165H, 64GB RAM, 1TB NVMe SSD, supported device, Windows 11 Pro, Hyper-V host machine. Updated to 25H2 on 30th September 2025.

    My SYSTEM SEVEN is a Lenovo Thinkpad T580, 1920x1080 touchscreen, Intel Core i7-8650U, 16GB RAM, 512GB NVMe SSD + 2nd 512GB NVMe SSD, a supported device for Windows 11. This is my current general purpose 'main machine'. The installed Windows 11 Home from my System One has been migrated to this machine. As its new home has an existing digital licence for Pro I've been able to upgrade the migrated OS from Home to Pro.
    29 Sept. 2026 Feature Update to 26H2 through Windows Update by setting the Target Release Version for 26H2.

    My SYSTEM EIGHT is a 2-in-1 convertible Lenovo Yoga 11e (5th gen) type 20LN, Celeron N4120, 8GB RAM, 512GB NVMe ssd, a supported device for Windows 11. Currently running Windows 11 Pro, plus Insider Beta, Experimental 263xx and 29xxx builds as native boot vhdx.

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