Question Is it possible that this will work at PCIe 2.0 (x4)?

jthornton

Honorable
Sep 12, 2013
46
0
10,530
I am looking for a SATA III expansion card and I saw this one: https://www.amazon.ca/Expansion-Ubit-Adapter-Chipset-SATA3-0/dp/B07QHT1H4R/ref=sr_1_7?keywords=sata+iii+expansion+card&qid=1558788751&s=electronics&sr=1-7&th=1

My issue is that it is the size of a PCIe 1.0 expansion slot. My motherboard has 3 of these sized slots available. But, everything that I have read so far shows that the small 1.0 slots are limited in speed.

Can I plug this smaller expansion card into the one open PCIe 2.0 (x4) slot that is on my motherboard? It is a full size slot and this is a smaller size card.

Here is a link to my motherboard: https://www.msi.com/Motherboard/support/Z97-GUARD-PRO#down-manual

I have a video card in the first PCIe 3.0 slot. The motherboard manual says the next big one (blue) is a 2.0 (x4) slot.

The description on Amazon says this is a 2.0 card but I'm not sure.
 

COLGeek

Titan
Moderator
The larger PCIe slots are also compatible with the smaller PCIe slot devices. So, you can install x1, x4, x8, and x16 devices in a x16 slot, for example.

You are fine to do as you suggested as the slots are also backward compatible with lower version devices. All is good.
 

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