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Buffalo LinkStation Quad

Buffalo Linkstation Quad

Nas simplicity and versatility, but at a price

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Intelligent flash storage arrays

Review While most low-price NAS products tend to target domestic use separately from serious small office installations, the Buffalo Linkstation Quad attempts to straddle both these markets, albeit, with a price hike. Yet it offers home users a faster, beefier file store and media server, together with RAID redundancy, Internet-wide data access and high-capacity backup to satisfy office environments.

Buffalo LinkStation Quad

Buffalo's Linkstation Quad: appears imposing, but is small and unobtrusive

The device is a gigabit Ethernet NAS server – supporting 10, 100 and 1000BaseTX network connections ¬– and contains a stack of four SATA hard disk drives, all encased in a compact and tough black box sized 150x150x230mm. A quieter-than-expected fan keeps the drives cool.

The Linkstation Quad has two USB 2.0 ports: one at the front and the other at the rear. You can attach a high-capacity USB external drive to either and back up your Linkstation Quad data to it. Alternatively, you can attach any external storage device, such as a portable disk drive, a USB flash memory or a digital camera, and back up all its media files to the Linkstation Quad in one step by pressing the 'Function' button on the front. You can even attach a standard USB printer – although not a multifunctional printer – and share it between Windows clients, using the Linkstation Quad to manage the network print queue.

A 'Power Mode' switch at the back presents two settings: 'Auto' and 'Manual'. With this switch flicked to 'Auto', the Linkstation Quad runs in wake-on-LAN mode, allowing any computer on the network to power up the device remotely. The 'Auto' setting also enables the device to power itself down if it senses no network activity after a set period, and you can set up a schedule for powering the system up and down automatically.

As delivered, the Linkstation Quad is configured to operate the four disk drives in RAID 0. In our test system, that meant four 250GB drives operating as a single 1TB volume. Naturally, this offers no redundancy protection and makes the product uncomfortably expensive: you can buy single-disk 1TB NAS systems for £100 less than this. You would be better off reconfiguring the device as RAID 1 or 10, or RAID 5 (parity) in order to take advantage of the multi-disk arrangement, although this, of course, reduces the effective data storage in a 1TB unit to 500GB or roughly 750GB, respectively.

Buffalo LinkStation Quad

Drives are easy to remove and replace, but are not hot-swappable

Thankfully, the Linkstation Quad makes it very easy to remove and replace the disk drives individually. Unclipping the front fascia reveals four independent drive bays, and you can simply unclip and slide each drive out in its own as required. Note, however, that the drives are not hot-swappable in any RAID configuration.

Security for virtualized datacentres

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