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    Question 10TB HGST SMART warning - bad drive or power issue?

    Another weird POH count: https://forums.tomshardware.com/threads/thinking-of-buying-a-used-hdd-are-these-s-m-a-r-t-values-within-reason.3633149/#post-21898678
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    Question 10TB HGST SMART warning - bad drive or power issue?

    I notice that the drive has recorded 36,214 hours, but has only lost 5 points from the normalised Current value (5 = 100 - 95). At this rate, it is projected to hit the threshold at 82 years. Weird.
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    Question Micron 9400 PRO 15.36TB Running HOT

    "Drive Temperature" is a composite temperature which is derived from a weighted average of the temperatures reported by the real, physical, on-die temperature sensors on the controller and NAND flash ICs (or perhaps a discrete temperature sensor IC).
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    Question Can't the industry clear up the confusion over units?

    By "twist", I meant that a manufacturer could not make a 1TiB SSD, at least not without a convoluted design. Therefore, those people who insist on getting a 1TiB SSD instead of 1TB would be complaining in vain.
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    Question Can't the industry clear up the confusion over units?

    You are confusing TiB with TB. 1TB = 931 GiB 1TiB = 1024 GiB
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    Question Can't the industry clear up the confusion over units?

    What is stranger still is that the IDEMA capacity of two 500GB drives exceeds the IDEMA capacity of a 1TB drive by 21168 sectors. This means that you can't clone a 2 x 500GB RAID 0 onto a single 1TB drive, for example.
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    Question Can't the industry clear up the confusion over units?

    On the subject of decimal and binary kilo/mega/giga/terabytes, one really needs to understand the historical background. I grew up with memory chips and storage devices during the late 1970s and early 1980s. RAM chips were, and still are, accessed via data and address buses. These were almost...
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    Question One of my optical drives may be developing a taste for human blood

    Intermittent microswitch or slipping drive belt would be my guess.
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    Question Someone is upgrading their storage servers.

    Unless these drives have been refurbished by the factory, I can't see what the seller could be doing to them to be able to legitimately make that same claim. Also, these drives have new firmware architecture which isn't yet supported by professional data recovery tools. That makes me wonder...
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    Question Quick CMD command to check SSD health

    Here is a case where WMIC is reporting "OK" for a completely dead 970 Evo Plus:
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    Question New drive not recognized

    I suspect that your USB enclosure is configured with a sector size of 4096 bytes. That might be something to keep in mind if you intend to transfer data between computers.
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    Question Quick CMD command to check SSD health

    If you see "OK", I believe all that is telling you is that no SMART attribute has fallen below its threshold. That would apply to SATA, but I don't know how a partially degraded NVMe SSD would behave.
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    Question Question about the article on the Kingston DataTraveler Max

    I guess that tool should work, although I don't like this stipulation: "Place this program file on the same drive you'd like to test TRIM on, and run it."
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    Question Question about the article on the Kingston DataTraveler Max

    I always thought TRIM/UNMAP was automatic, but now I'm not so sure. You can test this by creating a file, then deleting it. Use a data recovery tool, eg DMDE, to recover the deleted file and then examine it with a hex editor, eg HxD (freeware). https://dmde.com/ https://mh-nexus.de/en/hxd/ A...
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    Question A moment of appreciation for my OCZ Vertex 2 SSD

    Could we see the SMART report?
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    Question Question about the article on the Kingston DataTraveler Max

    UNMAP is the equivalent SCSI command for USB mass storage devices.
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    Question Which Super cheap SSD/NVMe drives?

    I would avoid this drive. https://community.wd.com/t/wd-blue-250-gb-sa510-issues/279814/23?page=2
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    Question WD43PURZ vs WD40EFAX

    These drives support the ATA Streaming command set in addition to the regular ATA commands that are supported by desktop drives. DVR applications need to record the file system metadata with the same integrity as desktop drives (using regular ATA reads and writes), but they are allowed, by the...
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    Question Parts of SSD reading really slow (Crucial BX500)

    Your SSD is the most recent incarnation. I have one also. People are reporting problems with this version, but mine is OK so far.
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    Question Parts of SSD reading really slow (Crucial BX500)

    Your SMART data contain these text strings: S1015A0 00 SMI2259XT <-- flash controller N2800
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    Bought a few used SSD

    AISI, there is essentially no difference between the black and green adapters. The black one switches the SATA Tx/Rx pairs manually, whereas the green one uses an electronic switch. The ASM1456 switch has a single SELect pin. This would be a digital input, either 0 or 1, and this would then...
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    Bought a few used SSD

    Can you tell us the markings on that rectangular IC that has the SATA Tx/Rx differential inputs and outputs? This would be a 2:1 electronic switch or MUX of some sort. Perhaps there is a way to force the switch into the desired position. Edit: This appears to be the IC: ASM1456, ASMedia, 2:1...
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    Bought a few used SSD

    The difference is 66. 0x28C05 - 0x28BC3 = 66 https://www.google.com/search?q=0x28C05+-+0x28BC3+in+decimal 1 GiB / 66 = 15.5 MiB Therefore, you should divide the reported Host Writes count by 64 to get the real TBW of your SSD. I'm suggesting 64 rather than 66 because it is more likely that a...
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    Bought a few used SSD

    I don't trust either tool. They both refer to attribute 0xF1 (= 241) as Total LBAs Written. If that were true, then ... 0x289fc x 512 bytes = 85.2 MB https://www.google.com/search?q=0x289fc+x+512+bytes+in+MB I suspect that the actual unit is 16MiB per count. I'm betting that, if you write a...
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    Bought a few used SSD

    That number doesn't make sense. Show us all the attributes. If attribute 0xA9 really is Max Erase Count, then the SSD has been completely erased a maximum of 58 (= 0x3A) times. That corresponds to about 15TB of NAND writes. I would write a 1GB file to the SSD and record the Host Writes before...
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    Question Desktop Windows PC - 4 TB m.2 Crucial or 4 TB HDD WD Red Pro for photo archive, when price is same at Amazon?

    That doesn't seem right. :-? Can you show us the listings?
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    Question Is it possible to tell the age of a hard drive from the command line?

    Just to add another twist, Seagate used to encode the DOM on its older HDDs. For example, this 7200.11 model has a date code of 09133: https://live.staticflickr.com/3278/2954051152_d3e49cd518_b.jpg This decodes to 2008-09-25: https://bugaco.com/calculators/seagate_date_code.php
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    Question Is it possible to tell the age of a hard drive from the command line?

    Here are several SanDisk products that don't have a manufacture date stamped on the label (some do, most don't): https://www.hddoracle.com/viewtopic.php?f=46&t=3307 As in Micron's case, the leading 4 characters of the S/N appear to be in YYWW format.
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    Question Is it possible to tell the age of a hard drive from the command line?

    That sounds like a challenge. :) https://cdn.mos.cms.futurecdn.net/2KWVT7XgbxzyBJwz3ybMKK.jpg warranty sticker -> 5S1-180831010 -> year = 2018, month = 08 ??? date of manufacture of PCB -> 1814 (middle of top edge of PCB) -> week 14 of 2018 date of manufacture of SKhynix SDRAM - 827 -> week 27...
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    Question Is it possible to tell the age of a hard drive from the command line?

    I suspect that your WD SSD may be similarly encoded. https://support-en.wd.com/app/warrantystatusweb S/N -- 21383K800308 -> week 38 of 2021 Warranty Expiration Date -- 31-Oct-2026 -> 5 year warranty + 1 month Model -- WDS100T1X0E-00AFY0 Description: WDS100T1X0E-00AFY0 ATLAS PC SN850 M.2 2280...
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    Question Is it possible to tell the age of a hard drive from the command line?

    The Power-On-Hours Count attribute is more correctly termed Power-On-Time. Most manufacturers use hours for the units, but some have used minutes and half-hours, IIRC. I suspect that your case was probably a firmware bug, though.
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    Question Is it possible to tell the age of a hard drive from the command line?

    You probably won't find a manufacture date for this drive on the label, but the first 4 characters of the serial number are the date of manufacture in YYWW (year/week) format. In this case the drive was built during week 19 of 2023. See the serial number in this marketing photo...
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    Question Samsung 970 Evo Plus , Samsung 980 pro or Crucial P5 Plus?

    That Chinese forum member is a respected researcher in the data recovery business. AIUI, Samsung has merely masked the problem rather than fixed it. They did the same thing with the 840 Evo. In that case it was Russian researchers who exposed what was happening. In fact, if Samsung would come...
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    Question Samsung 970 Evo Plus , Samsung 980 pro or Crucial P5 Plus?

    Firmware cannot fix degraded NAND, if that is indeed the problem. All it can do is to pre-emptively copy cold data to new cells before the data fades away.
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    Question Samsung 970 Evo Plus , Samsung 980 pro or Crucial P5 Plus?

    https://forum.hddguru.com/viewtopic.php?p=305999#p305999
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    Question nvme ssd firmware dump

    R/N = Regulatory Number On a WD HDD, the R/N usually matches the PCB part number.
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    Sata to USB adapter firmware

    This person's experience with Norelsys was bad: https://goughlui.com/2023/03/26/review-teardown-orico-2580u3-v1-vintage-cassette-2-5-usb-3-0-hdd-enclosure/
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    Question New Report: Seagate and *SHUDDER* Hitachi seem to be the worst HDDs to buy

    There is nothing inferior about these AV drives. They have the same robust ECC as desktop drives. In addition to the standard read/write sector commands, they support an additional "streaming" command set. This allows them to drop frames if error recovery is taking too long. If you think about...
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    Question New Report: Seagate and *SHUDDER* Hitachi seem to be the worst HDDs to buy

    Those companies are way overpriced. There are far better alternatives for far less money. As for warranty, why would you care if you save $100 on a warranty replacement HDD if you are paying $1000 extra for the data recovery?
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    Question New Report: Seagate and *SHUDDER* Hitachi seem to be the worst HDDs to buy

    I can still distinguish them visually, but programmatically it's a little harder. The quickest way to identify the real make is to look for the part number on the PCB. 2060-nnnnnnn -> WD 0Annnn or 0Bnnnnn -> HGST BF41-nnnnnn -> Samsung (some recent Samsung PCBs now have Seagate part numbers)...
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