Gigabyte H55M-S2
Motherboard, from 2010 10 hardware reports
Memory
Up to 8 GB
4 full-size slots
SSD slots
Coming next
Checked from separate sources
Upgradable
Yes. 4 slots, up to 8 GB seen working.
It takes the same type of full-size sticks (DIMM).
- Slots
- 4 DIMM slots
- Most seen working
- 8 GB in two or more machines
- Firmware says
- 32 GB maximum (often wrong, so we show what machines run)
- How sure
- 10 of 10 reports show this layout
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 Gigabyte H55M-S2?
Yes. 4 slots, up to 8 GB seen working. It takes the same type of full-size sticks (DIMM).
How much RAM can the Gigabyte H55M-S2 take?
Machines in the reports run up to 8 GB. The firmware reports a maximum of 32 GB, a figure that is often wrong.
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 H55M-S2.