Yeah I searched this too, The front plate is replica of 970 and the hardware isn't I'm guessing? someone prob bought it and returned this
Is this drive a Samsung 970 EVO or a Samsung 970 EVO Plus?So, this is weird. bought from Best Buy 2 months ago and I randomly just check my hardware info and why is my M.2 Folder name ssdpeknw512g8 ???
Did I just get scammed or am I missing something
2nd Revision might came with different Nand and the new "Elpis Controller" found in the Samsung 980 Pro.
So the Russian engineers and researchers claim to know more about a Korean based Leading manufacturer and designer of ssds silicon than the engineers and researchers of that same Korean company? I find that a little 'wrong' because if such was the case, we'd all be using Cyrillic ssds, not Korean ssds.The 840 Evo is another product that was affected by bad NAND, according to Russian researchers.
The Russian researchers (Ace Laboratory) write their own firmware ("loaders") to recover data from these SSDs. When these SSDs fail due to bad NAND, the firmware "panics" and denies access to the user's data. Ace Laboratory's data recovery tool, PC3000 SSD, uploads their own loader code to the SSD. PC3000 then builds a "virtual translator" (because the SSD's own translator is broken) and the tool then assembles and downloads the good and bad sectors to an image file. Data is then recovered from this image. I would say that this requires a very detailed knowledge of the firmware architecture, don't you think?So the Russian engineers and researchers claim to know more about a Korean based Leading manufacturer and designer of ssds silicon than the engineers and researchers of that same Korean company? I find that a little 'wrong' because if such was the case, we'd all be using Cyrillic ssds, not Korean ssds.
It's common practice to change stuff according to Region or Market, especially with patent concerns, so IMHO what the Russian people got wasn't the exact same as what the US or European markets got, so that could explain any discrepancy and why Only Russian researchers and not US or Euro researchers found corroborating evidence.
In order to communicate with this SSD our technicians were required to place the drive into safe mode. Safe mode on this model was instigated by shorting 2 pins on the PCB. Once safe mode was attained we then uploaded microcode to the RAM in order to simulate the normal drive initiation process, this allowed direct physical access to the NAND storage and allowed for basic read testing too be conducted. Once completed it was clear that although each chip was reading, 2 were suffering from read errors throughout.
After some further firmware fixes from our technicians we were able to gain logical access to the drive and begin a clone of the device over to a new stable HDD. After approximately a day our tools had produced the best possible copy of the failed SSD and from approx. 512,000,000 sectors we were unable to read 5,000,000 – these were the degraded cells. We then provided a full file list of both the good and bad files to our client who was over the moon with the result and completed the recovery case.
Your 840 Evo's usage pattern was such that the charge never had a chance to "flow away", as the Russian researchers put it. Samsung's firmware update applied a bandaid over the problem, and it was then swept under the rug.None of my samsungs, from 250GB 840 EVOs through the 850-860 EVOs, to the new 980 Pro have died, or even slowed down from original out of the box performance.
The 840 EVOs were in 24/7 use from Nov-Dec 2014 to Dec 2021.
And yes, they got that original firmware update.
Looking just now, one of my 1TB 860 EVOs has 32,620 running hours.
From your link:Your 840 Evo's usage pattern was such that the charge never had a chance to "flow away", as the Russian researchers put it. Samsung's firmware update applied a bandaid over the problem, and it was then swept under the rug.
It's like saying, "My car won't start if I leave it in the garage for a month, so I leave the engine running'".From your link:
"This was then left unused for approx. 5 months, no reading/writing to the drive was completed nor was power supplied. When we later attached this up to our test equipment the partition and large amounts of the drive were unreadable proving if left long enough the voltage inside the cells dissipates and data is lost. "
That sort of 'fault' is/was not unique to Samsung drives.
You of course remember the brouhaha over an early "test" of treating drives like that.
So in this case, Samsung identified a potential issue, and published a firmware fix for it.
I fail to see the problem.
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