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> WD mixed both CMR and SMR for the WD Purple, an a few other models too. Could you point me at an example of a SMR-based WD Purple drive? Is this just a histo
by scottlamb 2y ago
> WD mixed both CMR and SMR for the WD Purple, an a few other models too.
Could you point me at an example of a SMR-based WD Purple drive? Is this just a historical thing? As mentioned in my other comment, the spec sheets [1] say all (current) drives are CMR.
> Actually the Purple only has one distinguishing characteristic. An ATA command to skip bad sectors instead of trying to read/write repeatedly. This is great for an NVR but it's not mandatory to use.
I'd also be interested to see a reference / details for this.
[1] https://products.wdc.com/library/SpecSheet/ENG/product-brief-wd-purple-hdd.pdf https://products.wdc.com/library/SpecSheet/ENG/product-brief... https://products.wdc.com/library/SpecSheet/ENG/product-brief-wd-purple-pro-sata-hdd.pdf https://products.wdc.com/library/SpecSheet/ENG/product-brief...