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Pros: Fits eight hard disks without a problem at all.
Lots of places for fans, including directly in front of HDDs.
Bottom mount PSU.
Not excessively flashy.
Cons: ehh, only comes with one case fan?
Other Thoughts: If you're building a home/small business NAS, this is your case. Stop looking. Unless you specifically need more than eight hard disks, this is about the best case you'll get for your NAS. I used this case in my second NAS and liked it so much that I transplanted my first NAS into one as well. When I built a NAS for another company, I didn't even shop - I just bought one of these again.READ FULL REVIEW
Pros: Quick read/write speed.
Got 'em on a Black Friday super sale for an excellent price.
Quiet (not silent, but quiet).
They all still work.
3 year warranty.
Cons: No screws, SATA cable, or data migration software was included (i.e. wasn't a true retail kit).
Other Thoughts: I bought five of these drives for a new FreeNAS build; I'd nearly run out of space on my older unit. the RAIDz2 configuration is, for all intents and purposes, a RAID6. FreeNAS has no issues with these drives at all; every drive was immediately seen as a full 3TB drive, and the array was created without any issue whatsoever.
A write test on the entire array (i.e. all five drives working in tandem) yielded a raw write speed of 284Megabytes/sec - yes, bytes, not bits. This is more than double the speed of a gigabit ethernet interface, so I'm quite impressed in that regard. Sure, SSDs would be faster no doubt, but to get 9 fault-tolerant terabytes of storage on SSDs would be a purchase approaching the cost of a new car, so "thoroughly saturating a gigabit network" is plenty fast for me.
All five drives are still spinning flawlessly. No failures in four months of 24/7 uptime for these drives. I nearly took off an egg for the lack of retail kit niceties, but since none of the drives have given me any issue at all, I'm hard pressed to actually do so. Time will tell if these drives withstand the test of time, but I've got a stack of dead hard disks in my closet from every manufacturer, so I'm willing to give Toshiba fair chance this time around...especially since my set of drives was nearly $150 less than the drives I was originally eyeballing for this project.
Definitely have at LEAST one drive's worth of fault tolerance; I recommend 2 drives of fault tolerance since one drive will take anywhere from 10 to 30 hours to rebuild.
Pros: Generally good performance for an SSD.
Uses Expresscache software, which gives you a nice GUI status panel and seems to work at a sufficiently "high" level on the system as to not get you into particularly low-level trouble with your system.
Cons: 32GB is a respectable number for a cache drive, but the product class has plenty of other units with higher amounts of cache storage.
Uses Expresscache, which has the shortcoming of having to rebuild the cache every time you do an improper shutdown, which sends you back to pre-cache performance levels.
Other Thoughts: I'm trying to dance around the rule forbidding direct comparisons. No matter which cache drive you're using, what separates a cache drive from a garden variety SSD is the software it ships with. I liked the fact that this one gave me an idea as to what was happening, but its inability to retain its cache data after anything but a regular, happy shutdown made it a very challenging proposition to stick with.
If you're using this as a regular SSD, or an SSD cache at the disk controller level, it's excellent. If you're using this with the Expresscache software, it's not terrible, it just has different problems than the alternatives.