I recently upgraded my PC and now have a setup with an Aorus Elite WiFi 7 motherboard, a Ryzen 9 9900X processor, and a GeForce RTX 5070. I also have two kits of Corsair Dominator Titanium DDR5 RAM (2x16 GB each for a total of 64 GB) running at speeds up to 7200 MT/s. I've heard that using four RAM sticks can cause stability problems. My question is, if I run the RAM at speeds between 5000 and 6000 MT/s, will my system be very unstable? Should I consider selling these two additional kits and switch to a 2x32 GB setup instead? I wasn't aware of these stability issues before upgrading, and I've been using four DDR4 sticks in my current rig without problems.
4 Answers
Honestly, it really is a gamble. It could work or could cause issues depending on what memory controller luck you have. 7200 MT/s is already a stretch for just two sticks on AM5. With four sticks, your chances for issues, especially with EXPO turned on, aren't the best.
5200 MT/s is usually doable with a matched set, while 6000 MT/s can be hit or miss. Going beyond that typically doesn’t work out too well.
Four-stick stability has improved quite a bit with AM5. There have been several bios updates from August to October addressing the various issues, and some high-speed kits, when tested, performed well with four sticks. Just make sure to use RAM that’s on your motherboard's support list to increase your chances of success.
Yes and no. I have a Ryzen 9 setup (9950x3d) with a full 4x64 GB kit that runs 6000 MT/s stable. The important part is ensuring your RAM is from a matched set and confirmed on the motherboard’s supported list. Some users get lucky and it works perfectly, but mismatched sticks can lead to headaches.
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