HELP none of the DDR4 RAM slots fit!

maclain222155202d4

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I have a Pro B660M-A motherboard and have bought two different RAM types and the second one didn’t work so I came here. What RAM should I be getting?
I got two DDR4’s and they don’t fit into the slot. I noticed both of them have a different area where the indent is but they still don’t work. Are there many different types of DDR4 RAM types? If so which one should I get for this motherboard?
I bought a set of CORSAIR VENGEANCE RGB PRO SL’s each 16g anda set of OLOY BLADE RGB’s each 16g.
Any help would be greatly appreciated. Thank you in advance. This is my first PC build.
 

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badboy2k

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I have a Pro B660M-A motherboard and have bought two different RAM types and the second one didn’t work so I came here. What RAM should I be getting?
I got two DDR4’s and they don’t fit into the slot. I noticed both of them have a different area where the indent is but they still don’t work. Are there many different types of DDR4 RAM types? If so which one should I get for this motherboard?
I bought a set of CORSAIR VENGEANCE RGB PRO SL’s each 16g anda set of OLOY BLADE RGB’s each 16g.
Any help would be greatly appreciated. Thank you in advance. This is my first PC build.
from the look of the Area of the Board you have Taken a Picture of that to me is not a PRO B660M-A DDR4 its a PRO B660M-A WIFI that uses DDR5 RAM.
 

Alan J T

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Also serial number on ram stick should be on the CPU side
Can yo supply photos of ram slots and the ram stick so we can see the whole thing and not just a bit
Something like this
Screenshot 2022-08-11 145420.jpg

Screenshot 2022-08-11 145725.jpg
 

citay

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There is no way that DDR4 RAM fits into a DDR5 slot or vice versa, because the notch placement is different:



Furthermore, this is bad:

I bought a set of CORSAIR VENGEANCE RGB PRO SL’s each 16g anda set of OLOY BLADE RGB’s each 16g.
Never mix different kits. RAM always has to match. What's more, two modules are better than four.

So return all your DDR4 RAM and get 2x 16 GB DDR5-5200 for example. I doubt you will need more than 32 GB total. Do not ever get four modules with DDR5, it won't work well at all.
Treat DDR5 as if the board only had two slots, so always only get a kit of two modules. They go into slots A2 and B2 (2nd and 4th from left).

You also might want to watch this video if this is your first build and you want to avoid mistakes:


Lastly, please list all your hardware in detail. Maybe you already got something else that isn't a good match.
 
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maclain222155202d4

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from the look of the Area of the Board you have Taken a Picture of that to me is not a PRO B660M-A DDR4 its a PRO B660M-A WIFI that uses DDR5 RAM.
Finally!!! Something that makes sense! Everywhere online said the PRO B660M-A WiFi took DDR4. Also the only thing that’s in the guide is this video:

Thank you guys so much! Yeah that’s the video I’ve been following. It has been so helpful I just got caught up on this part for about a week. So I’ll get (2x16g) of DDR5 and I’ll be set! Y’all are the best for being so fast to respond.
 

maclain222155202d4

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There is no way that DDR4 RAM fits into a DDR5 slot or vice versa, because the notch placement is different:



Furthermore, this is bad:



Never mix different kits. RAM always has to match. What's more, two modules are better than four.

So return all your DDR4 RAM and get 2x 16 GB DDR5-5200 for example. I doubt you will need more than 32 GB total. Do not ever get four modules with DDR5, it won't work well at all.
Treat DDR5 as if the board only had two slots, so always only get a kit of two modules. They go into slots A2 and B2 (2nd and 4th from left).

You also might want to watch this video if this is your first build and you want to avoid mistakes:


Lastly, please list all your hardware in detail. Maybe you already got something else that isn't a good match.
Got it! Here's a list:

Motherboard: MSI PRO B660M-A WIFI
CPU: Intel i5-12600K
SSD: Western Digital WD BLACK SN850 NVMe M.2 2280 1TB PCI-Express 4.0 x4 3D NAND Internal Solid State Drive (SSD) WDS100T1X0E
Cooling: Thermaltake TOUGHAIR 510 180W TDP (LGA 1700-1200)
Graphics card: GIGABYTE AORUS GeForce RTX 3060 Ti ELITE 8GB
Power supply: CORSAIR CX-F RGB Series CX750F RGB 750W 80 PLUS Bronze Fully Modular ATX Power Supply
RAM: (2x16g) DDR5 to be determined
Case: Antec Dark League DF700 FLUX, Mid Tower ATX Gaming Case, FLUX Platform, 5 x 120mm Fans Included

Here's the accessories too just in case you guys have any thoughts:
Thermal Paste: CORSAIR TM30 Performance Thermal Paste, CT-9010001-WW
System: Microsoft Windows 11 Home 64-bit, DVD - OEM
Monitor: MSI Optix AG321CQR 32" (31.5" Viewable) QHD 2560 x 1440 (2K) 165Hz HDMI

p.s. thank you all immensely for you help. I was searching everywhere to find something and even asked some of my P.C. friends. They had no clue either.
 

citay

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That's a pretty good list. I would've probably gone for an 80PLUS Gold PSU as i write in my PSU thread, but the CX-F is decent enough. Looks like you're a gamer, so yeah, 32 GB total will be plenty.
64 GB wouldn't have helped you at all for gaming, since most games don't even utilize more than 16 GB yet.
 

maclain222155202d4

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There is no way that DDR4 RAM fits into a DDR5 slot or vice versa, because the notch placement is different:



Furthermore, this is bad:



Never mix different kits. RAM always has to match. What's more, two modules are better than four.

So return all your DDR4 RAM and get 2x 16 GB DDR5-5200 for example. I doubt you will need more than 32 GB total. Do not ever get four modules with DDR5, it won't work well at all.
Treat DDR5 as if the board only had two slots, so always only get a kit of two modules. They go into slots A2 and B2 (2nd and 4th from left).

You also might want to watch this video if this is your first build and you want to avoid mistakes:


Lastly, please list all your hardware in detail. Maybe you already got something else that isn't a good match.
So I got the correct DDR5 RAM installed and kept following the video smoothly without any problems. That is until I got to the portion after I connect the power supply. When comes to turning on the computer with a screwdriver to test everything before I have it put into it's case I found that the GPU's fan is in the way. Any thoughts? I'm not sure if I can take it off. Is the test that important? Could I just continue and put everything in the case? Most likely I should be fine since I've been following everything step by step, but then again I would like to be certain. Everything seems right besides the fact that the cooler can slide more than I'd like, but it's on as tight as I can make it without a crazy amount of force. I can't wait to try this build out, yet I know it needs to be done right!

If y'all have any suggestions that could help please feel free. Also if there's any photos that would be helpful let me know. I put in a picture of the GPU blocking where I need to start it.

Have a great day,
Maclain
 

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badboy2k

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So I got the correct DDR5 RAM installed and kept following the video smoothly without any problems. That is until I got to the portion after I connect the power supply. When comes to turning on the computer with a screwdriver to test everything before I have it put into it's case I found that the GPU's fan is in the way. Any thoughts? I'm not sure if I can take it off. Is the test that important? Could I just continue and put everything in the case? Most likely I should be fine since I've been following everything step by step, but then again I would like to be certain. Everything seems right besides the fact that the cooler can slide more than I'd like, but it's on as tight as I can make it without a crazy amount of force. I can't wait to try this build out, yet I know it needs to be done right!

If y'all have any suggestions that could help please feel free. Also if there's any photos that would be helpful let me know. I put in a picture of the GPU blocking where I need to start it.

Have a great day,
Maclain
its good to do so you know it all works before you stuff it into a PC case

as the GPU overhangs it lift the board up and touch the back of the board where the pins are soldered to the PCB to see if it works.
 

citay

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What the hell, why is the GPU in the bottom slot? You always want to use the first x16 length PCIe slot.
The other slots, even if they are x16 in length, are electrically not fully connected. PCIe 3.0 x4 in your case, a serious bottleneck for any GPU!
Not to mention that your GPU is blocking all the headers on the bottom of the board.

Also, what's with uploading a photo as a PDF, or a thumbnail only? In your very first post, you showed that you can upload it normally. If the forum complains that the filesize is too big, just resize the photo to something smaller first in your image editor (i suggest paint.NET), and then upload it. Or you can upload the original size photo to a site like https://imgur.com/ and link to the photo.
 
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