ASRock X670E PG Lightning
Motherboard, from 2022 10 hardware reports
Memory

Up to 128 GB
4 full-size slots
SSD slots
Coming next
Checked from separate sources
Upgradable
Yes. 4 slots, up to 128 GB seen working.
It takes DDR5-7200 full-size sticks (DIMM).
- Slots
- 4 DIMM slots
- Type
- DDR5-7200 288-pin DIMM
- Most seen working
- 128 GB in two or more machines
- Firmware says
- 128 GB maximum
- How sure
- 10 of 10 reports show this layout
See 32 GB DDR5-7200 DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 10 hardware reports of this motherboard. Sources and method. Updated 9 Nov 2026.
4 full-size slots
Illustration Questions
Can I upgrade the RAM in the ASRock X670E PG Lightning?
Yes. 4 slots, up to 128 GB seen working. It takes DDR5-7200 full-size sticks (DIMM).
What type of RAM does the ASRock X670E PG Lightning use?
DDR5-7200 full-size sticks (DIMM, 288-pin).
How much RAM can the ASRock X670E PG Lightning take?
Machines in the reports run up to 128 GB. That matches the 128 GB maximum the firmware reports.
Is this my motherboard?
The model name is printed on the board, usually between the memory slots or near the CPU socket. In Windows, open System Information and look at "BaseBoard Product"; it should read X670E PG Lightning.