Fuh Q

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  1. As a rule of thumb any drive with 1.6TB platters or less will be CMR. 2.0TB = SMR. Also, cheaper $/TB drives tend to be SMR since they require fewer platters. Google around will find how many platters are in various drive models. I use a mix of 10TB (I just bought what was cheapest at the time I needed it), both CMR with 7 platters and SMR with 5 platters. Both are fine for my use (fill the drive once and then never rewrite it for archiving and only use it for reading on occasion). SMR does suck if you fill it and then have to delete/rewrite parts of it in typical PC use (the rewrite performance is horrendous, less than 1/10 the rate of a fresh format). As far as reliability, how important is your data? if it's irreplaceable don't rely on reputation or warranty and assume your particular drive will last forever, 0.33% failure rate is not 0%. Have backups (I have 3 copies; HDD, tape, and cloud, so even if the house burns down I still have the data, unless civilization ends and takes the internet with it as well before I have a chance to re-download it all from cloud backup).