[SOLVED] Correct SSD Card

May 14, 2021
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I apologize in advance since for many, this is probably a very easy question. My son is in to gaming and we built his PC using a YouTube video. It has worked really well for over a year. He is now interested in getting a 2nd SSD drive since he is running out of space. He has a B450 Gaming PRO Carbon MAX WiFi motherboard and the M2_1 slot is already used so we were thinking of buying a 2nd SSD card for his M2_2 slot. Looking at the specs (https://www.msi.com/Motherboard/B450-GAMING-PRO-CARBON-MAX-WIFI/Specification), the M2_2 supports PCIe 2.0 x4 2242 /2260 /2280 storage devices. I understand these numbers refer to the card size (2242 /2260 /2280). The PCIe 2.0 I believe refers to version 2 with a four-lane configuration. I am just trying to show I have tried to do my homework.

So I am looking for an SSD card which works for his M2_2 slot and I found this option on Amazon (https://www.amazon.com/dp/B07YFFX5MD?ref_=pe_623860_70668520_dpLink). The hardware interface says PCIe x4 so I am trying to understand if this means it will work. I am nervous since I have already purchased one option that does not work and this option says Gen3 x4. Its ok if the read speeds are a little slower as long as the SSD card works.

If there is another option that people recommend, please share. Any help is appreciated.

Thanks in advance for your time.
 
Solution
PCIe 4 is backwards compatible, it will work but only run at version 2.0 speeds as that is what you have.

linked card is actually PCIe 3.0 which is also backwards compatible - it will work.