Question Memory compatibility problem in a B450M DS3H

May 24, 2019
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I bought a B450M DS3H with a AMD RYZEN 3 2200G 3.5GHZ 6MB AM4, and came with 2x DDR4 CORSAIR 8GB 2400MHZ VENGEANCE LPX BLACK (1X8) part # (CMK8GX4M1A2400C16), and then I decided to put 2 more banks o 8GB (each) to have 32GB in total. For that I looked on Amazon and found a kit Corsair Vengeance LPX 16GB (2x8GB) DDR4 DRAM 2400MHz C16 Desktop Memory Kit - Black (CMK16GX4M2A2400C16).
When I tried to add those memories to my desktop, I won´t start (not even BIOS).
I removed all the memory and installed only one of the CMK16GX4M2A2400C16 and it worked ok.
Then I added the second bank in position 2 and same problem again.
Moved the bank to position 3 to separate the pairs and problem continued.
In the end I had to put back the 2 CMK8GX4M1A2400C16 and remove the brand new ones, computer started normally.
Both sets are same Frequency, same Cas Latency, same capacity but wont work together or the second set alone either.

I've noticed the difference in the model number is :

  • CMK8GX4M1A2400C16
  • CMK16GX4M2A2400C16
What can be the problem?
And how can I identify models from same brand or other manufacturer to avoid the same problem i had?



P.S. Now I am buying 2 of the first model, that are the ones that came with the desktop
 

Lutfij

Titan
Moderator
Can you look at the BIOS version for your motherboard at this moment of time? I'm assuming you have an update pending. In spite of an update if you still make it work, If I were you, I'd have tried to source the exact same sticks of ram. If you want to stick with the kit you purchased(new) then see if both sticks from the new kit and see if they both work individually when placed in one slot(DDR4_1 only), as stated in the motherboard manual.

Also, please list your specs like so:
CPU:
Motherboard:
Ram:
SSD/HDD:
GPU:
PSU:
Chassis:
OS:
 

cin19

Titan
Moderator
Keep in mind, If you purchase a kit, then the manufacturer can guarantee they will work, because they do test the RAM in Kit. But if you mix two kits, there is no guaranty the RAM will work together, just like your case.

If you get the problem, try update the chipset driver, MB bios, also tweak the RAM timing, the voltage, lower speed, etc. If you still have the problem, nothing you can do. Then you need to buy the 2X 16GB or 4x 8GB kit, if you want 32GB.
 
May 24, 2019
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BIOS American Megatrends Inc. F32, 6/05/2019

CPU: AMD Ryzen 3 2200G Code name Raven Ridge

Motherboard: Gygabyte B450M DS3H-CF

Ram: 2 x DDR4 CORSAIR 8GB 2400MHZ VENGEANCE LPX BLACK part # (CMK8GX4M1A2400C16)
SSD/HDD:
  • Samsung 970 EVO Plus Series - 250GB PCIe NVMe - M.2 Internal SSD (MZ-V7S250B/AM)
  • Silicon Power 1TB SSD 3D NAND A55 SLC Internal SSD (SP001TBSS3A55S25)
  • Seagate Barracuda ST2000DM001-9YN164 2TB
  • Seagate Barracuda ST1000LM048-2E7172 1TB
  • Western Digital WDS240G2G0A-00JH30 Green 240GB SSD
Drives in order 1 to 5 (boot drive is NVMe, work drive is 1TB SSD, standard 2 & 1 TB are for media storage)​

GPU: AMD Radeon Vega 8 Graphics revision C8 2GB

PSU: 450W ANTRYX XENOM BLACK EDITION USB 3.0

OS: Windows 10 Pro
 
May 24, 2019
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I am selling them locally and buying 2 of the ones i have installed.
But what a waste of money (I am in Peru) cost incluiding freight $100 USD
 
May 24, 2019
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last minute.
FIRST, THANKS FOR YOUR SUPPORT.
YOUR ADVICE OF TESTING ONE BANK AT A TIME GAVE RESULTS. ONE BANK DOESN'T WORK
THE OTHER WORKED PERFECT
 

ASK THE COMMUNITY

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