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This review is from: SYBA SY-PEX40033 PCI-Express 2.0 x1 SATA III (6.0Gb/s) RAID Controller Card
Pros: Originally it connected fine to my ProBox 4 Bay Hard Drive Enclosure and worked at full speed
Cons: The card BIOS only saw a single drive. Windows saw all 4 and was able to soft RAID. After a few months the performance slowed down considerably. The drives held a few Exchange mail databases and was so slow the PC would not restart properly after updates and caused dirty shutdowns of the databases and caused data loss. Moving the databases took hours to perform a restore of backup. The card is now not functioning correctly and does nnot work for its intended purpose.
Other Thoughts: Save your money and purchase something else if your data is important.READ FULL REVIEW
Pros: Usually more affordable than other manufacturers
Excellent built quality
plenty of features
Cons: Very serious instability issues
I purchased this card with the purpose of running newer DX11 games such as Battlefield 3. In the beta, Battlefield 3 crashed regularly with the event log "nvdklm display driver stopped responding and successfully recovered." At the time I assumed the beta game and beta drivers were at fault, so I thought nothing of it.
However after the game came out the issue kept coming up. It also reared it's head in other games such as Civilization 5 and Rage. Investigating this it turns out reference cards of the same design had the same issues and it was traced back to the stock voltage. These cards were all clocked at .963v. Using MSI Afterburner I upped the voltage to 1.038v and it seems to have mostly mitigated the issue.
Other Thoughts: I have kept the card as it is working for me after my tweaks. However, other manufacturers have released bios updates to fix the voltage issue permanently whereas Zotac has ignored the users bringing this to their attention. Until Zotac releases a new bios, I can't in good conscience recommend this card. You may want to look to EVGA or Gigabyte as they have responded to the community and released fixes.READ FULL REVIEW