ASUSTOR AS-606T Review – Speed Test! (1)


    November 17th, 2012 | Tags: , , , , , | Posted in Reviews, Tech

    Loaded with 6 WD Green in RAID 5

    In this post, we will find out how well does the ASUSTOR AS-606T 6 bay NAS perform. Some network performance testing involving copying of large files to and fro the AS-606T will be conducted to determine its read and write speed for CIFS (Windows File Service).

     

    The equipments involved

    • ASUSTOR AS-606T with 6 x Western Digital Green hard drives
    • iMac 27″ mid-2011
    • ASUS RT-AC66U

    The network links are not aggregated. Hence, the speed test result is for a single network link.

    Both the iMac 27″ and ASUSTOR AS-606T are linked up via the LAN ports on the ASUS RT-AC66U. They are running on 1 Gigabit connection with default MTU. The maximum theoretical limit of a 1 Gigabit connection is 1000 megabits (1000 Mb/s) or 125 megabytes (125 MB/s).

    NAS Performance Tester (a free NAS speed testing tool) will be used to test the read and write performance of ASUSTOR AS-606T.

     

    The tests

    Two tests were performed for each RAID configurations (6 disks on RAID 5 and  6 disk on RAID 6)

    1. First test using a 4000MB file; and
    2. Second test using a 2000MB file

    For both tests, a network share on AS-606T was mapped as A: on the computer.

     

    The results of AS-606T speed tests

    4000 MB file test

    In the 4000MB file test, the ASUSTOR AS-606T managed to achieve an average of 104.98 MB/s write and 120.09 MB/s read on RAID 5 configuration.

    The AS-606T managed an average of 104.98 MB/sec write and 120.09 MB/sec read in the 4GB test

    And for the 4000 MB file test in RAID 6, the ASUSTOR AS-606T managed to achieve an average of 95.42 MB/s write and  115.90 MB/s read.

    An average of 95.42 MB/s write and 115.90 MB/s read on RAID 6

     

    2000 MB file test

    And in the 2000MB file test for RAID 5, the ASUSTOR AS-606T managed to achieve an average 107.02 MB/s write and 115.24 MB/s read.

    The AS-606T managed an average of 107.02 MB/sec read and 115.24 MB/sec write for the 2GB test!

    For RAID 6, the ASUSTOR AS-606T managed to achieve an average of 95.98 MB/s write and 113.13 MB/s read.

     

    An average of 95.98 MB/s write and 113.13 MB/s read on RAID 6

    Conclusion

    The speed test results are excellent. Taking into account that the max theoretical speed for a 1 Gigabit connection is 125 MB/s. I would say it is probably the CIFS overheads that shaved a few MB/s off the speed.

    The speed will be better if LACP (link aggregation) was used. It would theoretically achieve close to 2 times of the speeds above (e.g. 209 MB/s write and 240 MB/s read) provided that the CPU, Memory or hard disk are not the bottlenecks. I have done a similar speed test for Synology DS412+ so do check it out if you are interested.

    Test Write MB/s (avg) Read MB/s (avg)
    4000MB (RAID 5) 104.98 120.09
    4000MB (RAID 6) 95.42 115.90
    2000MB (RAID 5) 107.02 115.24
    2000MB (RAID 6) 95.98 113.13

     

    The different parts of ASUSTOR AS-606T review








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