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NAS (network storage) Reviews
15,670 Reviews

Buffalo TeraStation Quad WSS review

£957 inc VAT for 4TB

Manufacturer: Buffalo Technology

Our Rating: We rate this 4 out of 5

The Buffalo TeraStation Quad WSS (WS-QV4.0TL/R5) is a high-end NAS running Windows Storage Server 2008, aimed at business users.

A network-attached storage (NAS) device such as the Buffalo TeraStation Quad WSS is actually a full computer, with a processor, memory and operating system. This is necessary for it to manage security and share files independently of any other computer on the network (as opposed to using a USB hard disk for backup).

With many consumer NAS devices, the OS is kept hidden from the user, and is administered via a web-based interface, or with software that runs on a separate computer. The Buffalo TeraStation Quad WSS is aimed at SOHO (small or home office) users though, and is a cut above any consumer NAS device, in terms of performance – and complexity.


The Buffalo TeraStation Quad WSS has a dual-core Intel Atom D510 processor, running at 1.66GHz, along with 2GB of memory. As its name suggests, it comes with four hot-swappable hard disks, in either 4TB or 8TB configurations, which can be set to RAID 0, 1, 5 or JBOD (where each drive is used independently).

It runs Windows Storage Server 2008, making it straightforward to integrate the Buffalo TeraStation Quad WSS into an existing Microsoft business network or domain. Active Directory is naturally supported and allows you to apply the same local and group security configuration as you would with any other computer on your network.

It’s entirely controlled via Microsoft Remote Desktop on another Windows PC or Mac. You can install any software you like on it, such as a web server, although here it’s somewhat restricted by the slow performance from the low-powered Atom processor. The Buffalo TeraStation Quad WSS is housed in a robust metal chassis, unlike the plastic used on most consumer-level NAS devices. An LCD screen at the front clearly indicates what the NAS is doing, such as booting or recreating a RAID array.

The disks are held behind a lockable door, with a fan behind them, and are straightforward to replace. At the back of the Buffalo TeraStation Quad WSS are two gigabit ethernet ports, two USB 2.0 ports and two USB 3.0 ports. As is typical with other types of networking equipment, these are used only for connecting additional storage or sharing printers.

Once our 4TB Buffalo TeraStation Quad WSS was set up in our preferred RAID 5 configuration, we were left with 2.75TB of usable space.

We created a shared folder on the server and transferred a 1.5GB file to and from the device. When reading, the TeraStation copied the file at 87MB/sec and while writing it managed 66MB/sec. We then copied a folder of small images and text files, and the write speed dropped to 44MB/sec. While not the fastest NAS we’ve ever seen, this is still very good performance.

See also: Group test: what's the best NAS drive?

Buffalo TeraStation Quad WSS Expert Verdict »

4TB storage(4 x Samsung HD103SI 1TB SATA 3Gb/s) or 8TB
1.66GHz Intel Atom D510 processor
RAID 0, 1, 5, JBOD
2GB memory
Windows Storage Server 2008 R2
LDAP, Active Directory support
Read-only Domain Controller support
iSCSI Block-Level storage
Apple Time Machine support
2 x gigabit ethernet
2 x USB 3.0
2 x USB 2.0
10 licenses of NovaBackup Business Essentials
170 x 215 x 231 mm
  • Build Quality: We give this item 9 of 10 for build quality
  • Features: We give this item 9 of 10 for features
  • Value for Money: We give this item 7 of 10 for value for money
  • Performance: We give this item 8 of 10 for performance
  • Overall: We give this item 8 of 10 overall

The Buffalo TeraStation Quad WSS is overkill (and overly complex and expensive) for home users, but the inclusion of Windows Storage Server makes it an excellent choice for businesses to add storage to their local or wide-area networks. It can even be used for other server duties, but here it's somewhat restricted by the Atom processor. When used for serving files as intended though, the TeraStation is a flexible, reliable and secure storage system for backing up data.

There are currently no related products for this review.

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