I have a Synology that needs more storage. Thoughts on WD vs Seagate?
I’ve always bought WD Red, but with the recent WD controversies (including the SMR/CMR scandal and the recent WDDA warning), I’m considering Seagate. Also, I can’t find any difference between the IronWolf Pro and Exos drives. What am I missing?
Metric | Seagate IronWolf Pro 20TB | Seagate Exos X20 20TB | WD Red Pro 20TB |
---|---|---|---|
Spindle speed (RPM) | 7200 | 7200 | 7200 |
Internal transfer rate | 285 MB/s | 272 MB/s | 268 MB/s |
Gas | Helium | Helium | ??? |
Cache | 256MB | 256MB | 512MB |
CMR? | Yes | Yes | Yes |
MTBF (hours) | 2.5m | 2.5m | 2.5m |
Non-recoverable errors per bits read | 1 in 10^15 | 1 in 10^15 | 1 in 10^15 |
Load unload cycles | 600k | 600k | 600k |
Workload rate (TB/yr) | 550 | 550 | 550 |
Annualized Failure Rate (AFR) | 0.35% | 0.35% | ??? |
Warranty | 5yr | 5yr | 5yr |
Price | $349.99 | $329.99 | $379.99 |
Also, please don’t recommend shucking (those drives are in external enclosures because they didn’t pass QC to become internal HDDs).
According to the detailed information that back blaze releases on drive reliability and pricing. Western digitals cost more and are more reliable if you’re keeping the drives for a very long time. If you’re replacing the drives in two to three years with something else go Seagate as Seagate drives fail more often at the 3 to 4 years I think. It’s been a long time since I read the review but if you do a custom Nas with disc shelves. It’s even cheaper if you get a bunch of used Enterprise drives yes they’re going to have a ridiculous amount of hours on them but you put them into a raid 2 or a raid 3 and you pay a little bit more monitoring attention to them but you’ll save a couple extra dollars on those much larger arrays my two cents from what I I’ve read.