Pros: I bought 4 of these drives, all tested good ran a program to look at the smart stats on each drive. All showed just two power ups. Which is how many times I booted my computer on testing them. Crystal Diskmark showed around 130 MB/s Read and Write with a Sata 2 controller I believe these are Sata 2 drives anyway. Sata 2 will max out at around 270 MB/s. So most HDD will never get close to sata 3 speeds unless they are a hybrid with SSD built into it. I have a 1 TB Sata 3 Seagate Drive that will get to 179 read and write speeds. one of these as a single drive is plenty fast to max out any 1 Gb/s Nas set up. On a raid 5 with a 9650 SE controller using all 4 drives I get 389mB/s Read and 214 MB/s write. Software raid 0 I get 508 MB/s read and 441 MB/s write. I am going to buy another 5th Drive and use these in Raid 6 on the 9650 SE controller on Ubuntu Server.

Cons: Laying flat on my work table the drives got to 50 C. ambient temps around 74 to 76. I believe its possible the failures people may be having is they are not giving these drives enough air and they are getting to hot... If you don't have a nice case like a node 304 with good airflow I recommend you rig some fans blowing right on the drives. Should increase there life span.

Overall Review: These are not the fastest drives, but for 50 dollars for 2 TB who cares. I use a Samsung 840 SSD 240 GB for my operating system and will be using these drives to store movies and larger files on a separate server... The next big purchase will be another similar system to be used as my Back up server.

Pros: Looks Sharp attractive design, nice activity lights visible on front of each rack, Built in fan with two speeds or off position.

Cons: My Docking station was made improperly. The left side docks slid in and out easily but the right side especially the bottom right two I had to fight to get them in an out. The divider was slanted to the right at bottom causing the right cages to be way to tight. I ended up taking the three right side removable modules and grinding the sides down so they would slide in and out easier. This helped some but I ended up just re-drilling the bottom middle two holes so the divider would be straight up and down and separate both sides properly. After I did all this the modules slid in and out perfect. I did not feel like waiting on an RMA so this is why I fixed it myself plus I worried a replacement may have the same problem. I knock off 3 eggs for having to perform this procedure.

Overall Review: Make sure you use the included screws to mount your HDD or SSD's. You cannot use a screw that sticks up even the slightest for mounting the SSD to the Module or it wont line up properly with the back connectors. I have 6 Samsung 840 250 GB ssd's in mine attached to a LSI 9265i Raid card.... Works great!. I leave my fan off with the SSD's if You use HDD's I would leave fan on. The fan sucks air through the drives and into the Case

Pros: The Drive was pretty fast averaging about 175 MBs Does not seem to get hot

Cons: Only con I can give is that I am concerned about how long this drive will last. I see many on here saying it fails after after two years or less. Makes me wish perhaps I had bought another brand.

Pros: Good price for the size. Good price the speed.

Cons: When I first decided to buy this drive I got it because of the good price and it was fast for what I am paying for. However I did not look carefully at the reviews. There are way to many people that have had failures, some after a few days others weeks or months. And average of 4 our of 5 stars. I am returning it unused and getting the Samsung 840 240 GB. The reason is it takes a long time to install a drive and transfer all files over to it. I would rather pay $40.00 more and not have to worry about loosing all my software and data so I am sending this one back unused without taking it out of the box. I already bought the Samsung SSD it will arrive in a couple days.

Overall Review: I gave it three stars because it is not fair to give one because I have not used it but wont miss lead others by giving it 5 either. It is a pain in the rear to re-install an operating system and replace all my data. It is just not worth it to use a Drive that may fail as often as some of these SSD's do. so I am going with one that has a VERY good track record on reliability. If anyone wants to compete with Samsung they need to stop working on lowering there prices and make an SSD that last. Real life failure rates from what users are seeing is more important to me than advertised MTBF. Samsung quality control is why they are getting my hard earned cash. Hopefully the other manufactures out there will learn quality control is more important to a computer builder than cranking out inexpensive cheap SSD's