Pros: Multiplexer card included in bundle also has low profile adapter. Drives stay cool. Quick setup and installation. Each drive has an independent access led.

Cons: Needs sleds or rails to secure drives in a hot-swap configuration. Screws require opening the case.

Overall Review: Attached to a FreeNAS (FreeBSD) appliance. FreeNAS sees through the RocketRaid card and presents four drives to the OS. Allows the use of the more advanced software RAID-Z features of ZFS. Enclosure has been in use for 8 months without issue.

Pros: -Price! -All sorts of RAID configurations possible -Compact and stylish -Bundled port multiplier (with included small form-factor bracket!)

Cons: -No USB (but I knew that going in) -Compatibility issues (see below) -Poor documentation -You need a free PCI slot for the bundled card (unless you already have a eSATA with port multiplier)

Overall Review: -My configuration is a 9TB RAID 5 with 4 3TB Seagates (no, not the kind that is know to be bad in RAIDs) -It's been a while since I set this up, so I don't remember every step I went through; it was far from plug-and-play. The biggest issue was that Windows 7 didn't handle the drivers it came with very well, causing my entire RAID 5 to drop. I should know by now to ignore bundled software and immediately go for the newest version online. Even after uninstalling these and installing newer ones, I continued to have problems. After a month of constantly resetting, crossing my fingers for the RAID to come back on properly, and resetting again, I finally reinstalled Windows and went straight for the newest drivers. It works a charm, now! -tl;dr: Works best with clean Windows install and newest drivers from Internet

Pros: Easy to use, does exactly as described. Pop the case open, mount your drives, install the add-on card in your PC and you're all set.

Cons: It does take a few extra seconds during machine start-up to recognize the drives, etc, but that's not a deal-breaker.

Overall Review: Wish this thing had removable trays, but oh well. As per the fan light that has been mentioned to be bothersome, you can pull it out and cut the wires connecting the 4 little LEDs. Voila, no more light! (not sure if it voids the warranty though) Also, keep in mind that if you're moving your RAID array from one device to this one, make sure you make a back-up of everything. When you initialize the array, it will wipe all data from the hard drives before creating the array (makes sense).

Pros: The enclosure is OUTSTANDING and works exactly as it should. However, the entire package should be outstanding, and it is NOT. I gave it an extra Egg, just because the Rosewill enclosure DOES work. However, they are not getting any more than that because they should be supplying it with a quality eSATA card.

Cons: The supplied HighPoint RocketRaid 622 card is unreliable. No matter what I did, I could not get it to operate under ANY RAID configuration. The array would constantly break and when it was working, data transfer was horribly slow. Neither Rosewill nor HighPoint customer service was of ANY good. Rosewill blamed HighPoint and HighPoint did NOTHING! Highpoint gets NO Eggs!!!

Overall Review: When I hooked the enclosure directly to the eSATA on my motherboard and configured my motherboard for RAID I could get the enclosure to work. However, my motherboard RAID controller is slow and I specifically bought this model because of the supplied eSATA RAID card. I CANNOT RECOMMEND THIS TO ANYONE.

Pros: As I recall, it was a pain to set up (on a windows pc). Then I moved it to a macintosh (where the controller is not supported so I could not change the configuration) but it has run flawlessly for 18 months now. The speed is fine and the reliability is great. It runs cool and quiet (even on a mac)

Cons: Getting tech support was difficult (the controller people however were excellent) and the documentation was non-existant.

Overall Review: I need to expand (I configured it with 4 x 1TB drives) and am about to put 4 x 3TB drives in it (and pray hard...)

Pros: After reading the reviews, I decided to buy it. It has solved any insecurities I had toward losing my data. It took hours to build the array but, I don't find that to be a negative thing considering this is a very inexpensive product and I was building a 4.5TB array. The HighPoint Raid card installed flawlessly. Management software is easy to use. The Read/Write speeds are incredible. I can write across my LAN at over 100MB/sec on smaller files and around 65MB/sec on 2GB files using 1.5TB WD Sata II drives & RAID 5.

Cons: Like everyone else, I'd like it if they had a hot swap option.

Overall Review: I run this device on my server so when I reboot, I'm not expecting a 20 second load time. If you are attaching to your PC, expect that it's going to dramatically slow down your startup time.

Pros: Easy to setup and get going. I bought it for the selection of raid types and support of 3TB drives. So far it has worked flawlessly.

Cons: The BIOS screen for the included controller during boot is pretty slow; annoyingly so. It doesn't give you any information like most controllers do. Eventually it see's something and continues to boot.

Pros: Easy to setup and use.

Cons: I have had two power supply quit working. I got a replacement somewhere and now I need another and can't find where I got it. Doesn't make me happy.