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Buffalo LinkStation 420 8TB "Cloud" Storage Review - Benchmarks - Random and Sequential Workloads

Buffalo LinkStation 420 8TB
Buffalo's LinkStation 420, offering capacities up to 8TB, provides a simple plug and play option for those not wanting to setup a diskless NAS.
| Enclosures/Externals in Storage | Posted: Sep 27, 2013 2:01 pm
TweakTown Rating: 90%Manufacturer: Buffalo

Benchmarks - Random and Sequential Workloads

 

Our 4K Random read/write workload consists of 16 threads all at QD16, results our measured in IOPS (Input Output Operations per Second).

 

TweakTown image content/5/7/5765_32_buffalo_linkstation_420_8tb_cloud_storage_review.png

 

Above, we found the LinkStation did quite well in 4K write operations coming in well above both the Terra Master and Thecus units. Read operations came in at 136.9 IOPS.

 

TweakTown image content/5/7/5765_33_buffalo_linkstation_420_8tb_cloud_storage_review.png

 

RAID 1 again had the LinkStation doing quite well with random write, here we have 823 IOPS.

 

Our Sequential read/write workload is centered on 1MB transfer sizes again with 16 threads and a Queue Depth of 16.

 

TweakTown image content/5/7/5765_34_buffalo_linkstation_420_8tb_cloud_storage_review.png

 

In RAID 0 sequential testing, the LinkStation was on par with other NAS appliances in our charts, coming in at 109 read IOPS and 83 write IOPS.

 

TweakTown image content/5/7/5765_35_buffalo_linkstation_420_8tb_cloud_storage_review.png

 

RAID 1 allowed the LinkStation 108 read IOPS and 75 write IOPS, giving it the top spot in sequential read and second in write.

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