Best secondary 2TB M.2 SSD?

Discussion in '2015+ Alienware 13 / 15 / 17' started by etern4l, May 24, 2019.

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Is Intel 660P the best value secondary 2TB M.2 SSD on the market at the moment?

  1. Yes

    37.5%
  2. No

    62.5%
  1. Aivxtla

    Aivxtla Notebook Evangelist

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    Depends on size, comparing same size drives the PRO will always have double the TBW (the conservative warrantied writes not the actual write endurance) and overall warranty is also different for both PRO (10 Yrs) compared to EVO ( 5 Yrs) assuming you didn’t hit TBW.

    I’m assuming you are comparing a 256 GB PRO (150 TBW) with a 500/1000 GB EVO (150 TBW)? Not a lot of writes yet on either in your case.

    Thanks for the CD Info data. I miss spoke looking back at my sources again and the Tech Report endurance test data. The SMART endurance is based on “estimated” real endurance of the NAND not the warrantied TBW.

    Basically it also takes into account real writes as in it includes (WA) write amplification as well (ie 1 host write equaling 2 or more real writes, greater the amplification the less empty space on drive).
     
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  2. MSGaldenzi

    MSGaldenzi Notebook Deity

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    Thanks everyone for the replies. Great knowledge base!
     
  3. propeldragon

    propeldragon Notebook Evangelist

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    Both drives are the same size (512GB vs 500GB). According to Samsung's specs, both are 150 TBW. Yeah the 10 year warranty was a major selling point. Thanks for letting me know about how many writes I have. I really have no idea how many writes people usually have or get to before dies. I know the Samsung 850 pro lasted 9100 TBW before it died. Minimum of 2200 TBW. According to guru.
     
  4. VoodooChild

    VoodooChild Notebook Evangelist

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    I've been using a 2TB 660p for about a week, got it for $190 shipped to UAE and have been very very impressed with it so far. It's just a secondary storage for games and movies and it does the job quite well. For price to performance ratio, it beats everything out in the market today.

    My primary OS drive is also a QLC based 1TB Crucial P1 and I don't needed anything faster than this quite frankly. I don't get the fuss about this QLC based drives anyway, if it lasts me for 5 years, I'm more than happy with my investemnt. I don't do anything professional on my laptop anyway.
    I use it to game, surf, watch movies and occasional video and photo rendering of family holidays.
    Work-wise, I use it for Office spreadsheets and Google sheets and it works just fine on a QLC drive imo. It serves my needs with minimal costs.

    Sent from a Galaxy S9+
     
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  5. Aivxtla

    Aivxtla Notebook Evangelist

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    I actually quoted Samsung the 850 PRO 512GB is warrantied till 300 TBW, it’s the 256 GB version that’s warrantied till 150 TBW. So yeah you also get double the TBW which is nice.
    https://www.samsung.com/semiconductor/minisite/ssd/support/warranty/
    https://www.samsung.com/semiconductor/minisite/ssd/product/consumer/850pro/

    Tech Report’s endurance test showed the older 840 Pro (256 GB) started using reserve blocks near 600 TB and lasted till 2,400 TB before dying. The life indicator in SMART hit 0% at like 450 TB, warrantied host writes is 73 TBW. The 840 EVO (250 GB) started using replacement blocks by 90-100 TB and died at like 900 TB after exhausting the last reserv blocks. Shows quite a delta between MLC and TLC. Modern V-NAND drives should put up pretty good numbers.

    The biggest caveat is that they didn’t turn off the test computers intermittently for long periods to test for data retention, which I admit would be time consuming.
     
    Last edited: May 29, 2019
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  6. etern4l

    etern4l Notebook Deity

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    Does anyone know how self-encryption works in the likes of Corsair MP510 and Samsung 970 EVO? If I'm understanding correctly these drives are already self-encrypting and if connected to another computer the data will be unreadable (even without enabling any Class 0 encryption). Don't have the means to verify this at the moment.

    EVO 970 supports TCG Opal but the only advantage is additional password protection at the expense of complication:

    https://vxlabs.com/2015/02/11/use-t...-disk-encryption-your-tcg-opal-ssd-with-msed/
     
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  7. DaMafiaGamer

    DaMafiaGamer Notebook Deity

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    I’m using a 2tb m.2 660p right now as my boot drive and it gets slow after sometime I don’t understand it’s an ssd wtf is going on temps are fine, is cache the issue because it has some horrendous write speeds compared to my 970 evo or 960 pro they never had this issue, everything was lightning quick with those Samsung nvme drives and the temps went up lightning quick too :D
     
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  8. Ultra Male

    Ultra Male Super Tweaker

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    Source (2nd post): https://forums.anandtech.com/threads/intel-660p-worth-the-upgrade.2564180/

     
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  9. DaMafiaGamer

    DaMafiaGamer Notebook Deity

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    Last edited by a moderator: Jul 3, 2019
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  10. Muezick

    Muezick Notebook Consultant

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    Yeah unfortunately the first rule of QLC is don't use it as boot drive. It's great as a storage drive for games and bulk data, but its a horrible boot drive.

    Sell it, you'll probably get at least half your money back lol
     
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