Which motherboards work with the Crucial Pro DDR5-6400 CL38?
It fits DDR5 motherboards only. DDR4 slots won't take it.
- Speed
- 6400 MT/s
- Timings
- CL38
- Voltage
- 1.35 V
- Kit
- 2 × 16 GB
- Profile
- XMP and EXPO
Memory speed
6400 MT/s — with XMP or EXPO4800JEDEC
- This kit. 6400 CL38 with a 6000 CL36 fallback profile. Crucial targets Intel 13th/14th gen and Ryzen 9000, and says to check compatibility on Ryzen 7000/8000.
- Profile. Both XMP and EXPO profiles, so it suits Intel and AMD boards.
- Default speed. It boots at 4800 MT/s until the profile is enabled in the BIOS. CPU-Z shows half the number (3200 MHz); that's normal for DDR memory.
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Motherboards we've checked
Each verdict assumes the newest CPU family for that board.
Questions
Why does my Crucial Pro DDR5-6400 CL38 32GB show 4800 MT/s?
That's its default speed. Enable XMP or EXPO in the BIOS to run it at 6400 MT/s. Tools like CPU-Z show half the number (3200 MHz), which is normal for DDR memory.
Does the Crucial Pro DDR5-6400 CL38 32GB work in a DDR4 motherboard?
No. It's DDR5, and DDR4 slots have the notch in a different place.
Does it work with AMD?
Both XMP and EXPO profiles, so it suits Intel and AMD boards.
Specs checked 2026-10-15 against the manufacturer's page. Source. Report a correction