2 m.2 ssd in pci card

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abhop26

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Mar 28, 2012
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I have 2 m.2 ssd's and need to do something with them.

what are the downsides to getting pci a card that uses 2 m.2 ssd's than just using one?
 
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Cristi72

Cristi72

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Jun 25, 2014
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Hello,

If your m.2 SSDs are of a new generation, for achieving the maximum performance you will need a card adapter with x8 PCI-e interface, as a single m.2 SSD uses 4 PCI-e lanes. On the other hand, an m.2 device is perfectly capable to achieve 1000MB/s, so your system may not be able to fully utilize the speed of a single device, let alone a pair of them.

Also, you must assure your motherboard supports booting from a PCI-e device. And, equally important, with the addition of a x4 or x8 PCI-e m.2 adapter, your GPU may lose x8 PCI-e lanes (it depends of the motherboard though).
 
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abhop26

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Mar 28, 2012
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Ok. thanks. Ill probably just end up getting a couple m.2 to Sata 3 adapters then, although it would be sacrificing some speed. I already have another SSD that I am booting off of, so its not really a big issue.
 
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