DDR5-6000 CL30 is the sweet spot for 7900X3D.

I like G.Skill Trident Z5 DDR5 6000 cl30. https://www.amazon.com/G-Skill-Trident-288-Pin-CL30-38-38-96-F5-6000J3038F16GX2-TZ5NR/dp/B0BF8FVLSL/?tag=6890-20

For the best DDR5 RAM to pair with the 7900X3D, check out the G.Skill Trident Z5 RGB 6000 CL30 kit. With its frequencies tuned for Ryzen 7000 and super tight timings out of the box, it will provide killer gaming performance. Plus it has RGB lighting to add some flair.

G.Skill DDR5 or Corsair DDR5.

Here are top 3 recommended DDR5 RAM for 7900X3D:

1. Corsair Dominator Platinum RGB DDR5 (5200 MHz):

   • Capacity: 32 GB (2 x 16 GB)
   • Latency: 15 ns (CL40)
   • Timings: 40-40-40-77
   • This RAM is ideal for non-overclockers who want stock-speed DDR5 RAM. It performs exceptionally well in demanding tasks like gaming, content creation, and video editing. The high-quality aluminum heatsinks provide excellent thermal performance, and the AMD EXPO profile ensures optimization for AMD processors.

2. G.Skill Trident Z5 NEO RGB DDR5 (6000 MHz):

   • Capacity: 32 GB (2 x 16 GB)
   • Latency: CL30-38-38-96
   • Voltage: 1.35V
   • If you’re looking to overclock your RAM, the G.Skill Trident Z5 NEO RGB is an excellent choice. With a clock speed of 6000 MHz, it offers impressive performance for enthusiasts.

3. Kingston Fury Renegade RGB DDR5 (7200 MHz):

   • Capacity: 32 GB (2 x 16 GB)
   • This RAM kit boasts an impressive 7200 MHz speed, making it a great option for those seeking maximum performance. Keep in mind that higher speeds may require proper motherboard support and BIOS settings.

G.Skill Trident Z5 NEO Royal DDR5 CL28 is the best choice. 

Any DDR5 RAM with 6000MHz and CL32 or CL30 is recommended.