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WD RED 2.5-Inch 1TB in Four-Disk RAID Review



/ 2 years ago

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Introduction


WD_RED_2.5_1TB-Photo-four_drives

Western Digital launched their WD RED line quite a while ago, and it’s been a successful one. We’ve previously had a look at how the 2.5-inch version with 1TB capacity performs as a single disk, but we’ve yet to look at how four of these will do in a RAID environment. The WD RED drives are primarily built for NAS usage, but they’re also well suited for SOHO users who want more performance and reliability in a small size.

Network attached storage is getting more traction every day and more and more people take the plunge into the world of NAS, but not everyone wants a large system. A tiny NAS with 2.5-inch drives is the solution, and the WD RED drives are perfect for this. They come as both 750GB and 1TB versions, but it’s the 1TB version that’s on the bench today.

The 2.5-inch WD drives run with an Intellipower spindle speed of 5400RPM and come with 16MB of cache, and an SATA 6Gbps interface. They’re rated to handle a workload of 120-150TB of data per year, which should be more data throughput than most small businesses will put their drives through.

The NAS optimized firmware, called NASware 2.0, is an exclusive technology to WD that gives their drives far more enhanced reliability with a 35% improvement in MTBF (Mean Time Before Failure) over their standard desktop drives, better compatibility with NAS systems, and a more energy-efficient operation which in turn leads to lower operating temperatures, a longer warranty for piece of mind and a system known as 3D Active Balance Plus. This dual-plane balance control, has helped to drastically increase the reliability of the drives – with a better balance, there are far fewer vibrations and this means the platters will degrade at a much lower rate thus increasing the longevity of the drive and its performance.

The 2.5-inhc drives themselves are 9.5mm thick, which really isn’t a lot considering the capacity. The drives are powered by the Marvell 88i9446-NDB2 high-performance storage controller and it is paired with the Samsung K4H2816380-LCC 16MB cache chip. The motor controller is WD’s own Nautilus that handles the Intellispeed capabilities.


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