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Forum Discussion
Maximum Harddisk Capacity
Hey Everybody I am planning to buy a Readynas Ultra 2. I have a question regarding to the maximum harddisk capacity. In some online documentation I have read that maximum harddisk capacity is 4TB...
There are only disks up to 3TB in capacity on the compatibility list at this time: http://kb.netgear.com/app/answers/detail/a_id/20641
However some users have found 4TB disks work fine for them.
In the future even higher capacity drives will be released. Currently there are no known reasons why higher capacity drives still would be incompatible but it's possible they my not be compatible.
The ReadyNAS Ultra 2 uses the EXT4 filesystem which theoretically supports volume sizes much higher than you will ever have in an Ultra 2 unit.
With two 4TB disks using RAID-1 you would have a volume of about 3.6TB which could theoretically be expanded to about 11.6TB without doing a factory reset.
Do note that a new model the ReadyNAS RN312 has been released. This has a newer faster CPU, double the RAM, runs a newer OS and has 4TB disks on its compatibility list. You may wish to consider buying one of these if it fits within your budget.
However some users have found 4TB disks work fine for them.
In the future even higher capacity drives will be released. Currently there are no known reasons why higher capacity drives still would be incompatible but it's possible they my not be compatible.
The ReadyNAS Ultra 2 uses the EXT4 filesystem which theoretically supports volume sizes much higher than you will ever have in an Ultra 2 unit.
With two 4TB disks using RAID-1 you would have a volume of about 3.6TB which could theoretically be expanded to about 11.6TB without doing a factory reset.
Do note that a new model the ReadyNAS RN312 has been released. This has a newer faster CPU, double the RAM, runs a newer OS and has 4TB disks on its compatibility list. You may wish to consider buying one of these if it fits within your budget.
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