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Thread: SSD Write Endurance 25nm Vs 34nm

  1. #5251
    SSDabuser Christopher's Avatar
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    Quote Originally Posted by OldChap View Post
    He is an Ensign..... that is his job.

    When this one eventually dies you should write to Samsung with the results of your little (maybe not so little) journey. Ask for a replacement because I promise you that a whole bunch of folks will be buying one of these drives as a result of your efforts. ...... They owe you that one replacement at least

    will you repeat the test just to make sure it was not a lucky drive?

    EDIT: Is there a sweepstake going on final figure?
    Yes, the person who gets closest to the total bytes written receives a dead 830!

  2. #5252
    SSDabuser Christopher's Avatar
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    Samsung 830 256GB Day 202

    (GiB) 4,973,377
    (TiB) 4,856
    (PiB) 4.77


    (Avg) 297.67 MB/s over the past 2000+ hours

    (B1) Wear Leveling Count: 21,512

    (B6) Erase Fail Count: 10
    (B6) Runtime Bad Block Count: 11
    (05) Reallocated Sectors: 45056

    (POH) 4880


    -------------------

    Day 203 -- it's not dead yet.

  3. #5253
    Registered User Dr. Vodka's Avatar
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    I have to say that I bought an 830 (my first SSD, and I'm blown away, to say the least) because of Christopher's testing. I know my little 64GB drive won't die because of some random reason, not anytime soon. It won't reach 4.5PB of writes, of course.. but it'll take a beating before saying goodbye. Great drives!


    I hope the 840 series are as resilient as the 830s, if I decide to buy another SSD in a year or two... Thanks again guys for this epic thread and source of information. You all deserve a good round of beers

  4. #5254
    SSDabuser Christopher's Avatar
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    I did test a 64GB 830 -- It went through a lot of PE cycles quickly. It's half as fast as the 256GB, but 1/4th the capacity. In this test it accumulated PE cycles very quickly.

    --------------\
    UPDATE
    The 830 flagged another read failure, I fear we could be coming to the end of the 830's lifespan. The onset of read failures usually predict the end of testing -- the drive will start acting funky after more than a few.
    Last edited by Christopher; 10-08-2012 at 06:58 AM.

  5. #5255
    Moderator Anvil's Avatar
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    Status of the Intel 330 120GB

    // nothing has changed, It's not running any tests. (still just idling)

    831.75TB Host writes
    2.81TiB Host reads
    Reallocated sectors : 05 1184 +797 (387)
    Available Reserved Space : E8 100 ""
    MWI 1 (9)
    [B5] Program fail count 563 (186)
    [B6] Erase fail count 621 (201)
    [F1] Total LBAs Written 27254740
    [F2] Total LBAs Read 86201
    [F9] Total NAND Writes 600556GB // ~586TiB
    POH 2605 (1824)
    MD5 --

    ---.--MiB/s on avg (hours)

    --


    Kingston SSDNow 40GB (X25-V)

    1275.52TB Host writes 41796415*32)
    Reallocated sectors : 05 82 +1
    Available Reserved Space : E8 98
    POH 11481
    MD5 OK

    33.14MiB/s on avg (~385 hours)

    --

    @christopher
    The 830 is going to be a tough one to beat.
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  6. #5256
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    Hmm... to Vertex 4 512GB or not to Vertex 4 512GB...

    Just the sheer density of flash should see some good endurance, I'm not sure I want to pay that electricity bill though...

    |I7 870 L923B426T @ 4ghz HT on - 1.25v Vcore, 1.25v VTT|Corsair 16gb @ 1600mhz 9-9-9-24-78-12-1T @ 1.65v|EVGA P55 Classified E659|GTX680 1250/7100|Vertex 4 512GB|

  7. #5257
    SSDabuser Christopher's Avatar
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    Quote Originally Posted by Kain665 View Post
    Hmm... to Vertex 4 512GB or not to Vertex 4 512GB...

    Just the sheer density of flash should see some good endurance, I'm not sure I want to pay that electricity bill though...
    With a 512GB, it's more likely that one individual die will fail, rendering the drive a paperweight. The V4's controller supports redundancy but doesn't use it. You'd lose 64GB of capacity.
    Last edited by Christopher; 10-09-2012 at 12:39 PM.

  8. #5258
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    Yeah I know, I'm just curious how long it will last. Decisions decisions...

    |I7 870 L923B426T @ 4ghz HT on - 1.25v Vcore, 1.25v VTT|Corsair 16gb @ 1600mhz 9-9-9-24-78-12-1T @ 1.65v|EVGA P55 Classified E659|GTX680 1250/7100|Vertex 4 512GB|

  9. #5259
    SSDabuser Christopher's Avatar
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    Quote Originally Posted by Kain665 View Post
    Yeah I know, I'm just curious how long it will last. Decisions decisions...
    I have a 512GB 830.....

    I bet I could get 10PB with it.

  10. #5260
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    I'm not taking any bets on how long the V4 may or may not last

    |I7 870 L923B426T @ 4ghz HT on - 1.25v Vcore, 1.25v VTT|Corsair 16gb @ 1600mhz 9-9-9-24-78-12-1T @ 1.65v|EVGA P55 Classified E659|GTX680 1250/7100|Vertex 4 512GB|

  11. #5261
    Moderator Anvil's Avatar
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    Status of the Intel 330 120GB

    // Was restarted last night, been running for ~24 hours w/o issues.

    842.10TB Host writes
    2.84TiB Host reads
    Reallocated sectors : 05 1219 +35 (387)
    Available Reserved Space : E8 100 ""
    MWI 1 (9)
    [B5] Program fail count 580 (+17)
    [B6] Erase fail count 639 (+18)
    [F1] Total LBAs Written 27594058
    [F2] Total LBAs Read 92971
    [F9] Total NAND Writes 608074GB // ~594TiB
    POH 3262
    MD5 OK

    124.86MiB/s on avg (~24 hours)

    --

    ...meanwhile, the X25-V has been idling.

    Kingston SSDNow 40GB (X25-V)

    1276.43TB Host writes 41826023*32)
    Reallocated sectors : 05 82
    Available Reserved Space : E8 98
    POH 11515
    MD5 --

    --.--MiB/s on avg (~-- hours)

    It's been running for a few minutes, will check later tonight.

    --

    Working on updating the charts...
    Last edited by Anvil; 10-10-2012 at 10:29 AM.
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  12. #5262
    Moderator Anvil's Avatar
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    Updated charts

    Endurance_cr_20121010.png

    Endurance_PEsummary_20121010.png

    I've included the SanDisk Extreme and the Intel X25-M G1 this time. (next update they are gone)

    Endurance_failed_drives.png

    There are a few drives that needs to be sorted out, the Vertex 4 128GB and the Samsung 830 64GB.
    (just point me to the latest post or a short summary for the status in post 1)

    Let me know if there's anything I've forgotten!

    -
    Last edited by Anvil; 10-10-2012 at 11:47 AM.
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  13. #5263
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    Here are a long due update :

    m4
    1746.0205 TiB
    7182 hours
    Avg speed 74.44 MiB/s.
    AD 147 to 123
    P/E 30056
    C3 1150608 to 3511415
    01 383 to 1044 (61 to 1)
    CE 90
    MD5 OK.
    Reallocated sectors : 00


    Intel X25-E 64GB
    1.10 PiB
    3647-30=3617 hours
    Reallocated sectors : 6 to 115
    Available Reserved space: 84 to 81
    MWI= 92
    MD5 =OK
    81.37 MiB/s on avg


    Mtron Pro 7025 32GB
    Paused until new firmware is updated.

    OCZ Vertex 1 120GB
    Will start after an update to the latest firmware.
    1: AMD FX-8150-Sabertooth 990FX-8GB Corsair XMS3-C300 256GB-Gainward GTX 570-HX-750
    2: Phenom II X6 1100T-Asus M4A89TD Pro/usb3-8GB Corsair Dominator-Gainward GTX 460SE/-X25-V 40GB-(Crucial m4 64GB /Intel X25-M G1 80GB/X25-E 64GB/Mtron 7025/Vertex 1 donated to endurance testing)
    3: Asus U31JG - X25-M G2 160GB

  14. #5264
    SSDabuser Christopher's Avatar
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    Samsung 830 256GB Day 207

    (GiB) 5,079,604
    (TiB) 4,960
    (PiB) 4.87


    (Avg) 297.87 MB/s over the past 2000+ hours

    (B1) Wear Leveling Count: 21,969

    (B6) Erase Fail Count: 11
    (B6) Runtime Bad Block Count: 13
    (05) Reallocated Sectors: 53248

    (POH) 4980


    -------------------

    We're close -- very close -- to 5PiB. No other changes, though.

  15. #5265
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    Todays update :

    m4
    1762.1309 TiB
    7246 hours
    Avg speed 74.42 MiB/s.
    AD 123 to 113
    P/E 30331
    C3 3511415 to 5566191
    01 1044 to 1543 (1)
    CE 90
    MD5 OK.
    Reallocated sectors : 00


    Intel X25-E 64GB
    1.12 PiB
    3710-30=3680 hours
    Reallocated sectors : 115 to 156
    Available Reserved space: 81 to 79
    MWI= 92
    MD5 =OK
    81.07 MiB/s on avg


    Mtron Pro 7025 32GB
    Paused until new firmware is updated.

    OCZ Vertex 1 120GB
    Will start after an update to the latest firmware.
    1: AMD FX-8150-Sabertooth 990FX-8GB Corsair XMS3-C300 256GB-Gainward GTX 570-HX-750
    2: Phenom II X6 1100T-Asus M4A89TD Pro/usb3-8GB Corsair Dominator-Gainward GTX 460SE/-X25-V 40GB-(Crucial m4 64GB /Intel X25-M G1 80GB/X25-E 64GB/Mtron 7025/Vertex 1 donated to endurance testing)
    3: Asus U31JG - X25-M G2 160GB

  16. #5266
    Moderator Anvil's Avatar
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    Status of the Intel 330 120GB

    // Is no longer detected,
    (I've tried different pc's as well as leaving it disconnected overnight)

    It looks to have disappeared sometime the 12th, I'll find out in the log-file.
    It took down all drives so nothing was written for a couple of days.

    --

    Kingston SSDNow 40GB (X25-V)

    1292.80TB Host writes 42362583*32)
    Reallocated sectors : 05 768 (82)
    Available Reserved Space : E8 86 (98)
    POH 11656
    MD5 OK

    32.36MiB/s on avg (~19 hours)

    It's starting to show some wear, it's still got a bit of reserved space left...
    Last edited by Anvil; 10-16-2012 at 01:25 PM.
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  17. #5267
    Moderator Anvil's Avatar
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    Final stats for the Intel 330 120GB

    863.33TB Host writes
    Reallocated sectors : 05 1464
    Available Reserved Space : E8 100
    MWI 1
    [B5] Program fail count 694
    [B6] Erase fail count 770
    [F9] Total NAND Writes ~609.3TiB
    POH n // I'll find out

    Intel_330_final_stats.png
    Last edited by Anvil; 10-16-2012 at 01:40 PM.
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  18. #5268
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    R.I.P Intel 330.
    600 TiB of nand write isn't a lot for a 120GB drive.

    Here are todays update:
    m4
    1777.9380 TiB
    7307 hours
    Avg speed 74.45 MiB/s.
    AD 113 to 104
    P/E 30600
    C3 5566191 to 8457546
    01 1543 to 2285 (1)
    CE 90
    MD5 OK.
    Reallocated sectors : 00


    Intel X25-E 64GB
    1.14 PiB
    3772-30=3742 hours
    Reallocated sectors : 156 to 207
    Available Reserved space: 79 to 78
    MWI= 92
    MD5 =OK
    81.07 MiB/s on avg


    Mtron Pro 7025 32GB
    Paused until new firmware is updated.

    OCZ Vertex 1 120GB
    Will start after an update to the latest firmware.
    1: AMD FX-8150-Sabertooth 990FX-8GB Corsair XMS3-C300 256GB-Gainward GTX 570-HX-750
    2: Phenom II X6 1100T-Asus M4A89TD Pro/usb3-8GB Corsair Dominator-Gainward GTX 460SE/-X25-V 40GB-(Crucial m4 64GB /Intel X25-M G1 80GB/X25-E 64GB/Mtron 7025/Vertex 1 donated to endurance testing)
    3: Asus U31JG - X25-M G2 160GB

  19. #5269
    SSDabuser Christopher's Avatar
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    Samsung 830 256GB Day 211

    (GiB) 5,204,510
    (TiB) 5,082
    (PiB) 4.99


    (Avg) 298.17 MB/s over the past 2000+ hours

    (B1) Wear Leveling Count: 22,507

    (B6) Erase Fail Count: 12
    (B6) Runtime Bad Block Count: 15
    (05) Reallocated Sectors: 61440

    (POH) 5098


    -------------------

    A few more erase fails, but 5PiB isn't that far away.

  20. #5270
    Moderator Anvil's Avatar
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    Kingston SSDNow 40GB (X25-V)

    1295.32TB Host writes 42444949*32)
    Reallocated sectors : 05 768 -
    Available Reserved Space : E8 86 (86)
    POH 11679
    MD5 OK

    31.95MiB/s on avg (~42 hours)

    --

    It's time to start looking for a new drive to test.
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  21. #5271
    SSDabuser Christopher's Avatar
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    Samsung 830 256GB Day 211

    (GiB) 5,221,720
    (TiB) 5,099
    (PiB) 5.01


    (Avg) 298.17 MB/s over the past 2000+ hours

    (B1) Wear Leveling Count: 22,581

    (B6) Erase Fail Count: 12
    (B6) Runtime Bad Block Count: 15
    (05) Reallocated Sectors: 61440

    (POH) 5115


    -------------------

    That's 5PiB!

    830 day 212 s.png

  22. #5272
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    Double post.
    Last edited by Kain665; 10-17-2012 at 10:10 AM.

    |I7 870 L923B426T @ 4ghz HT on - 1.25v Vcore, 1.25v VTT|Corsair 16gb @ 1600mhz 9-9-9-24-78-12-1T @ 1.65v|EVGA P55 Classified E659|GTX680 1250/7100|Vertex 4 512GB|

  23. #5273
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    Hey guys, quick question. What do you think of the health of this drive? SF2282 with Intel Async 25nm NAND. Raw Read Error rate fluctuates from time to time, I've seen it as low as 103. Only 3 retired blocks, and no other obvious issues.

    D2C480A1.png

    |I7 870 L923B426T @ 4ghz HT on - 1.25v Vcore, 1.25v VTT|Corsair 16gb @ 1600mhz 9-9-9-24-78-12-1T @ 1.65v|EVGA P55 Classified E659|GTX680 1250/7100|Vertex 4 512GB|

  24. #5274
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    Drive looks fine to me. Only 2 reallocated blocks, which is nothing for the SSD.

    As long as the normalised value for raw error rate stays above 50, the drive isn't failing in that test either.

  25. #5275
    SSDabuser Christopher's Avatar
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    I haven't stopped the 830 in nearly five months, but I'm thinking about pulling it down and running some tests on it before resuming testing.

    There are lots of questions I have about its performance after 5PiB. It's already got 5.3million GiB on it.

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