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Pros: Small. Cooler than 3.5" drives.
Cons: These drives do not appear to be compatible with the most recent LSI controllers. I use 9361 controller and after adding a couple of these 1TB drives get bus reset errors and one of the drives marked as bad. I disconnected drives from LSI and ran WD diagnostic which completed without any errors. Connected drives to LSI and see errors again.
TLER is not adjustable and no information available on the value used by stock firmware.
Eventually I gave up on the idea of using these drives for raided storage and will use two drives for backup stored off-site.
Other Thoughts: I do not understand how drives can be marketed for NAS installation without testing with the most common hardware RAID controller.
I really liked 2.5" form factor as it allows to install 4 drives in 5.25" slot
Most likely these drives will work OK with software RAID.
This review is from: Seagate NAS HDD ST2000VN000 2TB 64MB Cache SATA 6.0Gb/s Internal Hard Drive
Pros: Works perfectly with LSI hardware RAID controller (9361). Relatively cool. Fast enough for file storage. Packing is great (1" thick bubble envelope inside a box.
Controller on the drive is made by LSI, according to storage reviews.
I am buying more of these drives for raiding.
Other Thoughts: I had numerous problems with WD NAS drives dropping from LSI hardware array, even after passing diagnostic tests with flying colors. These Seagate drives appear to be compatible with LSI controllers. The only other alternative is buying Enterprise 7200rpm drives but I did not want additional noise and heat.READ FULL REVIEW
Pros: Controller is fast with very low access latency. Default setting of write-through without battery backup can be overridden to allow write-back.
Works with non server (Z68) motherboard.
1GB of cache can be used without BBU or CacheVault
Price is less at Newegg than any listing in Fleabay. Also price is less than matching OEM Intel controllers with the same chip. It is definitely much more expensive than using Intel chipset on the motherboard for RAID but there is a big difference in these 2 options.
All operations present in MegaRAID can be executed with scheduled tasks using CLI utilites.
Firmware is upgraded with LSI CLI utility that works in Windows. For Intel controllers I had to use EUFI update (pain of the neck for uninitiated).
Cons: Hot. Reported temperature is around 63C - 65C in medium size case with power supply fan blowing almost directly to the controller's CPU heatsink. I might have to add a fan on the front of the case to add airflow.
Only 4 drives can be connected (not an issue for me)
Does not come with a required cable. Newegg pricing for the cable is somewhat odd. Combined price (with shipping) goes down with the increase in length.
MegaRAID GUI interface is somewhat clunky but gets the job done.
Other Thoughts: After running my home server (WHS2011) with drives connected to Intel chipset SATA ports I finally decided to use a "real" RAID controller. The main motivation was to get a controller with fast cache to eliminate annoying delays while opening directories and files. LSI controllers are sometimes picky with non server grade motherboards. I had my concerns but installation was totally uneventful in Asus P8Z68-V Pro/Gen3 motherboard. I use this controller for data drives only. WHS2011 boots from a drive connected to Intel chipset.
Overall very happy with the purchase. Everything feels very snappy without any delays. I enabled write-back in configuration and rely on UPS to avoid power loss and drive corruption (I know that it is not the same but good enough for me).