QUOTE(NightFelix @ Jun 26 2015, 09:22 AM)
By the way, I thought M2 slot only exists on Laptop? Now even modern Mobo have too?
Another question is, how does PCIE SSD compare to M2 SSD and as well SATA SSD?
it's been in new desktop mobos since at least a year ago if not more. (starting from asrock z97 extreme6)Another question is, how does PCIE SSD compare to M2 SSD and as well SATA SSD?
the obvious difference is that pcie ssd uses pcie lanes, while sata ssd uses sata connection. m.2 is just a form factor. (m.2 has many sizes. the common one is 2280) that means, besides 2.5" sata ssds, we also have m.2 sata ssds. an example in local market is plextor m6e (m.2 pcie ssd) and plextor m6g (m.2 sata ssd). the previous ones are bare m.2 drives, and can be used with compatible m.2 slots.
you can also put these m.2 bare drives into a compatible hhhl pcie adapter and plug it into a pcie slot that has sufficient pcie lanes. an example of m.2 ssd that comes with an adapter is plextor m6e black edition (a pcie 2.0 x2). normally this type of ssd is sometimes called a hhhl form factor (because it comes with a half-height half-length adapter).
(adaptor only. the above is asus addin card, a pcie 3.0 x4)
(plextor m6e black edition is covered with a heat sink to help dissipate heat properly. without the heat sink it looks like this:)
the true hhhl ssd is not the m.2 + pcie adapter combo, but the whole pcie unit is a ssd.
edit: yes it looks complicated, but in reality it's just checking out the mobo manual for actual supported m.2 ssd spec if you wanna use m.2 slots. if not, just grab hhhl and make use of available pcie slots.
This post has been edited by horns: Jun 26 2015, 10:30 AM
Jun 26 2015, 10:08 AM

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