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This review is from: Rosewill RSV-S5 5-Bay 2.5" & 3.5" Hot-Swappable RAID 0/1/5/10/5+spare/Spanning/JBOD Storage Enclosure System with 120mm cooling fan, Port Multiplier, Tray Design, and Bundled with PCIe RAID Controller Card
Pros: I have no had a single positive experience with this unit, except for the Silicon Image BIOS flasher, which was conveniently built into the driver information page in the device manager.
Cons: Almost everything.
Other Thoughts: From day 1 this thing was a travesty to configure and set up. Getting the latest bios and drivers was a Herculean task - a newbie would have been lost even considering the idea - even if they found the download pages, there is practically no system of organization or an organized release structure that lets you know exactly what you need for your device and which are the latest versions. The Rosewill website is truly awful in this regard - the Silicon Image website was miles better but would still be confusing for somebody who just wanted the latest files.
The Silicon Image controller letting me flash a new bios from the driver page in device manager was nice, but this thing should have never been put on the market.
SATARAID 5 (the GUI RAID configurator) was clearly designed by chimpanzees, as nothing about it is useful or intuitive either. A day after my first RAID 5 configuration (5x 2TB drives) was finished initializing, 1 drive dropped out, then a second dropped out a few hours later. Rebooting brings the drive(s) back but of course SATARAID wants to re-initialize the thing, thereby rendering the unit practically useless. All 5 drives in the unit have been independently tested and thrashed in another machine using a specialized version of linux designed only to thrash a whole bunch of drives at once, report results and whether any died, and then power down. All drives were fine after a 72-hour thrash, with perfect health scores and throughput ratings. However, drives are randomly dropping out of this RAID unit. It's a different drive almost every time. I have tried swapping cables, swapping which port on the SI card the cable goes into, Ive tried it in another machine, a different version of windows, etc etc, and this unit consistently fails to provide a complete, healthy RAID 5 configuration for more than a few hours before dropping one or two drives.
Avoid at all costs.
I will be saving money for an Areca card and Areca enclosure instead. This will teach me for trying to save a few bucks.
I will be RMA'ing this through Newegg immediately for a full refund.