Provides a count of reserve (over-provisioned) blocks. This Attribute is related to attribute 5: Retired Block Count. parameter indicates a number of reserved bad block handling.Īlthough this parameter is not considered critical by the most hardware vendors, degradation of this parameter may indicate electromechanical problems of the disk. Is named by CrystalDisklnfo as "Bad Block Count", but other sourcesĬall it "Reserved Block Count" and define it as: Your SSD is in excellent shape and has no problems. This question may appear to be a duplicate of Bad block count (early - later)?, but here I do not have early or later separation of data, so this is not an exact duplicate as such, and I have a larger scope. I tried submitting online query to Adata Support online but the web form errors out in the end Does it mean CrystalDiskInfo is interpreting the data and reporting it differently? Is that Bad Block Count really Bad Block Count? I would trust Adata’s tool as they know what they have designed? See the attached screenshot: AA Vendor Specified 72 72 10 Raw Value 101 Hex I downloaded Adata’s SSD Toolbox app and it reports these parameters as Vendor Specified. Maybe they are missing in the hardware itself. I have double checked with Adata SSD Toolbox but the parameters like Reallocated Sector etc are not reported. There’s no visible data loss as of now.Sometimes when copying a single large file, the speed drops to just 2 – 3 MB/s for a few seconds and then again jumps to 200 MB/s.Are they excluded from I/O after being reported?.What is this bad block count and is it early or later bad blocks?.Now I need to know a few things with respect to this parameter Recent check of SMART values using CrystalDiskInfo reports 257 bad block count. I have Adata su650 480GB SSD which is generally working fine.
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