![]() We still request that readers continue to share their 990 Pro drive health stats and what region of the world they are in so that a better overall picture can be drawn of what appears to be a potentially developing situation. Quite why both of these options were not on the table before the issue became public is a mystery. Samsung's RMA division, Hanaro, have reached out and offered to A) Replace this SSD, and B) Try to replicate the problem. A reader on Twitter has also shared that his 990 Pro has dropped to 64% with only 2TB being written. Looking at comments on the linked forums and social media, there are more people coming forward with the same issue after checking their drives. If any of our readers have bought a 990 Pro model, then please share your experiences in the comments, has your drive dropped health percentage too? is it a boot drive or a storage only drive? It would be interesting to find out. At the time of writing there is also no new firmware for the 990 Pro series. The email from Hanaro states that the drive was reset to factory defaults, if this was the case then the drive's health should also have been reset to 100% but what we see is a drive that has simply been reformatted and nothing more. The CrystalDiskInfo screenshot above shows the drive's health after it came back from Samsung RMA. At the time of writing, It had been 5 days and no reply. I replied back asking for written confirmation that this sort of drop is normal in such a short space of time with such a low number of data written to the drive. Naturally this is confusing, I had provided all the requested details and screenshots as evidence, yet Samsung's RMA folks neglected to actually check and clarify the issue at hand. I had to email Hanaro to get info on what was found only to be told that the same drive is on its way back because no defect was found. ![]() Once my drive had dropped to 94% I filed the RMA with Samsung/Hanaro.Ī few days later a shipment was on its way to me from Samsung/Hanaro. Windows 11 does a fine job at driver management this way.Īround the same time I posted to OcUK and reddit to see if others had seen the same problem, as it turns out, they had, and there is a lengthy thread over at about it. Both drivers have the same performance otherwise and there are no system conflicts having both installed on the same system. Without the Samsung driver being active, Windows will use the Microsoft's NVMe driver on unsupported drives. This in itself is not an issue, it just means there is no way to run the extended SMART diagnostics. This driver has not been updated since 2020. Without this driver you cannot run any extended SMART tests in Samsung's Magician application as it says it needs the correct driver. It is worth pointing out at this point that the Samsung NVMe driver for Windows does not support the 990 Pro. It is not clear whether the 990 Pro is developing a similar issue at this stage. In the past the 980 Pro had the "0E" issue which was first discovered by owners and then spread around the tech community and then media coverage followed. I was told by a friendly voice that a few percentage drop was normal and if it continued to drop then I could send it in for RMA. I reached out to Samsung Memory by phone ( Hanaro Europe BV deal with all Samsung storage related after sales support). I quizzed a a few tech communities online to find that I was not alone.
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