The EliteRAID ER104UT+B is a 4-bay hardware RAID 5 rackmount storage unit that utilizes high performance USB 3.0 and eSATA interfaces to provide over 200MB/s in performance. The included USB 3.0 is backwards compatible with the widely available USB 2.0 port, which is a convenient feature when both USB 3.0 and eSATA connections are unavailable. With built-in RAID 0, 1, 10, 3, 5+hot-spare and JBOD, the ER104UT+B provides hardware RAID redundancy protection against hard drive failures. A brand new RAID mode, CLONE or N-Way Mirror, is also introduced to replicate the saved data throughout each of the installed hard drives. The RAID engine is embedded within the enclosure and performs all RAID parity calculations to reduce CPU utilization from the host computer, RAID controller cards are no longer necessary.
Simple way to extend storage on low end servers
Pros: * Supports USB 3.0 and eSata 3 Gbps
Cons: * Additional drives can't be added to an existing RAID0 volume. If you start with 2 drives and then add 2, the volume needs to be deleted and recreated. If you are planning to use 4 drives, add them from the start.
Other Thoughts: Installed it with 4 WDC RED 3TB drives to create a 12TB RAID0 volume for backup storage. Performance is slower than internal RAID, but works fine for archival storage.
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Works great -Promocode Misleading
Pros: Works as advertised. No problems with the first unit over a year out.
Cons: NewEgg lists "20% off w/ promo code SANS30U, ends 10/31 " on the page. When I apply the promo code it only give about 12%, or $60. Is this a mistake when 20% should be $99.99? How do I know? I waste 20 minutes contacting customer support to find out the promo code has a limit of $60. Did it say this anywhere? No. Pretty lazy and sort of a bait and switch if you ask me.
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