Patriot Viper Steel DDR4 16GB (2 x 8GB) 3000MHz Kit w/Gunmetal Grey heatshield - PVS416G300C6K

I've managed to run this RAM kit smoothly @ 3600MHz, 16-17-19-36, 1.38V (Ryzen 7 3700X/B450M MSI Gaming pro) and it's much higher than I'd hoped. Use Ryzen DRAM Calculator for fine tuning, the RAM chips are Hynix CJR.

Excellent ramDoes 4400mhz CL19 which means for Ryzen it will do 3733mhz CL14 which is the fastest that Infinity Fabric will support at it's native speed, which means +20% fps for gaming and much lower minimal fps drops.I don't game however so I just run it at 3600mhz CL14. When it drops back down to £150 I will pick up another pair for 32GB 3600 CL16!

I see a lot of mixed reviews. It's always important to check compatibility with your motherboard and processor before getting new RAM, especially when intending to overclock it. Motherboards only support up to 2133MHz, previously 1333MHz (or there about, it's been a while since I did my research). Since any overclock has to be the user's decision, the default BIOS settings will always cap the hardware to the highest "stable" speed stated by both the hardware component itself and the motherboard. It's also possible to have RAM that will work with a system, but not be able to be utilised to its full potential due to other limitations, such as the rate that data travels on the board itself.There are plenty of websites, such as pcpartpicker, that will allow compatibility checking and flag any issues without the user needing to have any technical knowledge on the subject. There are also numerous software tools to set up overclocking, provided by motherboard retailers such as MSI, Gigabyte, ASUS, etc. Each of these tools work differently, and the various components possible in a build make for a lot of factors that these tools must consider. They aren't perfect, and are known to cause unstable settings in some cases. Sometimes it'll be a case of trial-and-error to achieve the settings which provide you with a stable, if not optimal, overclock. In such cases, it's best to find a trustworthy guide. If you've looked around in the BIOS, you'll know that there are a lot of settings; it's not always clear what each one does or whether or not it would be a good idea to modify it. The smallest change can cause your system to fail to boot, and then you need to try to reset everything and start from scratch.For me, there was no issue with the RAM, directly. I got it because I was buying a new motherboard and CPU and my then-current RAM was incompatible, and I knew my new system would be able to handle the new speeds. That said, I did need to adjust my CPU settings after I overclocked the RAM, though. 16GB of this RAM overclocked to 3773MHz well out performed my older 24GB RAM. I plan to buy it again when I find myself able to justify the cost to double up to 32GB. That's not to say this RAM is overpriced, but it is still an expense.

I wanted to make sure I got Samsung B-die ram and can confirm these sticks (if you buy above 4000mhz kits) are indeed B-die. Amazing value for money. I bought the 4000mhz kit and have downclocked to 3600mhz so I could dial in the timing and get blazing low latency. At 1.45v i'm hitting 14-14-14-28-280-65535 with perfect stability which is awesome.Just a tip for new buyers. If you want to run over 3600mhz make sure you board is using t-topology and not daisy chaining for the dimm slots.

I had initially purchased Corsair Vengeance 3200 RAM for my new build Ryzen 3600 PC. The memory initially worked fine. Then I started to get continual random shutdowns. Having run other tests it pointed to a chipset drive on my MSI B450 Carbon AC system. I swapped out the motherboard for an X570 and initially, all was good. But gradually again I started to have issues. Anything like BF5 or Just Cause 4 would play solidly for 30 minutes on average before I'd get a blue screen crash. I played with various BIOS settings and could only get stability if I underclocked the ram which gave me 10% hit on FPS performance. Tried the Vengeance 3600 variant and experienced similar problems. Finally saw the 3866 Viper Steel series from Patriot and for me, it's been a game-changer. I can run the ram at full speed thanks to the X570 bios - no more crashes, the system is 100% stable. Had no crashes on Battlefield and getting a decent uptick in FPS performance.. I'm a longtime Corsair customer and was nervous about Patriot, but it's honestly been the best decision I've made on the build. No more headaches, if you've got a Ryzen 5 3600 and an X570, then this is a no brainer and also a fair bit cheaper than other alternatives.