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Forum Discussion
CharlesR
Jan 30, 2015Guide
Storage Options
I have a Pro 4 (running OS 6.x) I'm looking at and if I decide it's a keeper I'm trying to figure out which storage option I want to go with... 1 - 6TB drive - and expand as I go. 4 - 3TB drives ...
StephenB
Jan 30, 2015Guru - Experienced User
There's no technical reason why the 6 TB drives won't work.
If you use xraid, and start with a 6 TB drive, then your future drives will also need to be 6 TB (and the next one would be for redundancy). Though if you don't need/want redundancy or a single volume, flexraid/jbod should work well.
From a cost perspective, two 3 TB drives are cheaper than one 6 TB drive. 3 TB drives are actually the cheapest per TB (using the WDC Red pricing to compare them).
2 TB = $96 -> $48 per TB
3 TB = $110 -> $36.67 per TB
4 TB = $160 -> $40 per TB
5 TB = $215 -> $43 per TB
6 TB = $270 -> $45 per TB
Another way to look at this is that you spend ~$50 more with the 6 TB drive, and get an empty slot in the NAS in return.
If you use xraid, and start with a 6 TB drive, then your future drives will also need to be 6 TB (and the next one would be for redundancy). Though if you don't need/want redundancy or a single volume, flexraid/jbod should work well.
From a cost perspective, two 3 TB drives are cheaper than one 6 TB drive. 3 TB drives are actually the cheapest per TB (using the WDC Red pricing to compare them).
2 TB = $96 -> $48 per TB
3 TB = $110 -> $36.67 per TB
4 TB = $160 -> $40 per TB
5 TB = $215 -> $43 per TB
6 TB = $270 -> $45 per TB
Another way to look at this is that you spend ~$50 more with the 6 TB drive, and get an empty slot in the NAS in return.
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