What is the difference between the 2b v 4b? The CMK32GX4M2B3200C16 is not tested on the ASUS 299EX.

As far as if it will work on x299 I'm not sure but I use my set in an x99 depuxe II and it works fine. And if you are asking what is the difference between 4x8 and 2x16 then using the 4b allow you to take advantage of quad channel if your motherboard supports it so it will have shorter latency. Don't know if that answers it for you

will this work with ryzen 7 3700X on the msi b450 tomahawk?

I use a Ryzen 7 2700x with a RTX 2060 super 8 GB VRAM 32GB of this RAM on a MSI Pro Carbon gaming MB all installed months ago, one hot rocket at 1440p so, why wouldn't it?

GIGABYTE Gaming Radeon RX 9060 XT 16GB GDDR6 PCI Express 5.0 x16 ATX Graphics Card GV-R9060XTGAMING OC-16GD RX 9060XT

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Main image of CORSAIR Vengeance LPX 32GB (4 x 8GB) 288-Pin PC RAM DDR4 3200 (PC4 25600) Desktop Memory Model CMK32GX4M4B3200C16

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CORSAIR Vengeance LPX 32GB (4 x 8GB) 288-Pin PC RAM DDR4 3200 (PC4 25600) Desktop Memory Model CMK32GX4M4B3200C16

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BlacK Low Profile Heatsink
Designed for high-performance overclocking
Designed for great looks
Performance and Compatibility
Low-profile heatspreader design

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Model
Brand	CORSAIR
Series	Vengeance LPX
Model	CMK32GX4M4B3200C16

Details
Capacity	32GB (4 x 8GB)
Type	288-Pin PC RAM
Speed	DDR4 3200 (PC4 25600)
CAS Latency	CL16
Timing	16-18-18-36
Voltage	1.35V
Buffered/Registered	Unbuffered
Chipset	AMD X399 Compatible
Color	Black
Heat Spreader	Anodized Aluminum
Features	BlacK Low Profile Heatsink Designed for high-performance overclocking Designed for great looks Performance and Compatibility Low-profile heatspreader design

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First Listed on Newegg	February 15, 2026

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