MSI KA790GX
Board code MS-7551 Motherboard, from 2009 4 hardware reports
Memory
Up to 6 GB
4 full-size slots
SSD slots
Coming next
Checked from separate sources
Depends on the configuration
It depends on the configuration.
The reports show more than one memory layout for this motherboard. Check the label or the system information before you buy.
- Slots
- 4 DIMM slots
- Type
- DDR2-400 240-pin DIMM
- Most seen working
- 6 GB; one machine runs 6 GB
- Firmware says
- 8 GB maximum
- How sure
- 2 of 4 reports show this layout
See 8 GB DDR2-400 DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 4 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 MSI KA790GX?
It depends on the configuration: the reports show more than one memory layout for this motherboard.
What type of RAM does the MSI KA790GX use?
DDR2-400 full-size sticks (DIMM, 240-pin).
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 KA790GX or MS-7551.