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Pros: Drives have worked reliably for over a year. They are quiet and low power.
Cons: Not the fastest, but that is tradeoff with heat and power.
Other Thoughts: I started with 5 drives in a Linux raid 6 server and have expanded to 9 drives. The only reliability issue has been with the controller used with the drives. Too many disk failures are related to controllers, cables and system setup. Currently using an LSI 9211-8i, non-raid mode (would also suggest LSI LSI00302 (9207-8i Kit)). The 9211-8i failed and was RMAed with LSI, but the controller runs hot and needs fan blowing directly on it. The raid drives have never failed. Many MB sata controllers have inadequate heat sinks and can also cause drive failures.READ FULL REVIEW
Pros: Plugs in and sata drives immediately recognized. No configuration required if all you need is sata drive expansion.
Cons: Just quit working after 4 months of use. My linux raid 6 suddenly failed on all 8 drives attached to this controller. I do not recommend this for file server reliability.
Other Thoughts: I used this in a linux raid 6 array with 9 drives 3Tb WD red drives, 8 of which were on this controller. Initially everything went smooth. The server ran flawlessly for 4 months, then suddenly the controller failed. I swapped pci ports with the video card and no change, so I doubt it was the MB, but plan to test with another linux box. Asus p8z77 MB, Xeon E3 processor, Seasonic ss-660xp power supply.READ FULL REVIEW
This review is from: Rosewill Model RC-301 - Dual Serial Port PCI Card
Pros: If you find the right drivers, it does work. But caution, only on older motherboards should you use this card.
Cons: I installed this in two motherboards, P8Z77-V and a P8Z68-v, and on both motherboards the audio chip toasted. I highly recommend avoiding this serial port card except for legacy systems.
Other Thoughts: Unfortunately the first MB I installed I was not using the audio. I tried the card in second computer, P8Z77-V and heard a distinct pop on the speakers. Since then the audio is gone. Not sure what the issues is, but this card is dangerous to other devices on the PCI bus. Only use this on older systems. The card did work, but I have no idea why this would cause problems with the realtek audio on the MB.READ FULL REVIEW