So for me, it would not make a difference. But I don't use that program which claims to improve predictability of disk hardware issues and to allow better coordination among the disks. I've QNAP NAS and they have such a cooperation with Seagate. I don't have a Synology NAS and hence don't know if they have a special program to take advantage of all disks being of same product familiy of same vendor. SPR1 wrote:Wondering if there are any pros and cons if we mix the hard drive brands.Īs long as you remain with the same version of the NAS operating system (DSM), I don't expect any impacts on compatibility. If you select a model with larger array, it will be used but doesn't improve performance of the whole array as long as not all other disks have been replaced. Otherwise, I don't see a reason for such a setup.Īnd as far as cache is concerned, if you select a model with smaller cache, it may also slow down the whole array. If such a mode is intended as a temporary transitional solution, then it may make sense to switch to different long term solution. Perhaps they support a different RAID mode with such a mix. And I don't know if Synology supports a mix of disk access technologies within the same array.
If the question is about mixing with SAS disks, then I guess your NAS will not support SAS. And you might have difficulties in finding disks today new with older SATA interfaces. But these will then slow down the whole array. Your previous disks are already SATA III. What would be your worries on these aspects? Do I need to worry about other specs like 128MB cache, SATA 6Gb/s ?
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