Anyone know much about these, is it B die?
To go with 5000 Ryzen
Trident Z RGB 32GB (4x8GB) features 4000MHz CL15 DDR4 memory, tested latency of 15-16-16-36, 1.50V, RGB lighting, XMP 2.0 support, and is optimised for Intel and AMD motherboards.
https://www.gskill.com/specification/165/166/1580378326/F4-4000C15Q-32GTZR-Specification
To go with 5000 Ryzen
Trident Z RGB 32GB (4x8GB) features 4000MHz CL15 DDR4 memory, tested latency of 15-16-16-36, 1.50V, RGB lighting, XMP 2.0 support, and is optimised for Intel and AMD motherboards.
https://www.gskill.com/specification/165/166/1580378326/F4-4000C15Q-32GTZR-Specification