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NAS Reviews

Performance

It’s fair to say that the Buffalo TeraStation Pro II didn’t break any of our performance records. We tested using both 100 Mbps and 1000 Mbps LAN connections in RAID 0, RAID 5 and RAID 10 configurations. Standard and 4K jumbo frames were tested at with file sizes from 64 KB to 1GB.

TEST NOTES:

  • Firmware version tested was 1.10
  • The full testing setup and methodology are described on this page
  • To ensure connection at the intended speeds, the iozone test machine and NAS under test were manually moved between a NETGEAR GS108 10/100/1000Mbps switch for gigabit-speed testing and a 10/100 switch for 100 Mbps testing.

For the 1000 Mbps tests, the TeraStation Pro II generally performed in the middle of the pack. Its ranking ranged between third and seventh, but scored either third or fourth on five of the eight 1000 Mbps tests I reviewed. In fairness, the Thecus High performance NAS (N5200) and the Thecus Ultra-hi performance Storage server (1U4500) both put up some performance numbers that are hard to beat.

For example, on the 1000 Mbps Average write test, the Thecus Storage server placed first with 39.1 MBps of throughput. The Pro II came in fourth with 19.2 MBps. Similarly, the 1000 Mbps average read results (Figure 14) found the Thecus Storage server again in first place with 39.4 MBps. The TeraStation Pro II placed fifth at 24.3 MBps. You can create your own comparison charts for up to six products by going to the NAS charts .

1000 Mbps read chart
Click to enlarge image

Figure 14: The TeraStation Pro II placed fifth in 1000 Mbps Read Performance

Conclusion

Buffalo has a long history of designing and selling both direct and network attached storage devices. The products often have innovative features such as NAS-to-NAS backup or support for DFS, but they also sometimes miss the basics. At a time when the industry is trending towards hot-swappable SATA drives with cable-less connection, I was quite surprised to discover that the TeraStation Pro II’s design relied on an older "quick swappable" technology.

Still, the TeraStation offers a lot of storage with numerous configuration options and average performance at a good price. If you can live without constant data availability and can afford about five minutes of downtime when swapping out a drive, maybe quick swappable is good enough. With any luck, you won’t have to worry about swapping drives at all.

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